/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function md5_vm_test()
{
  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */
function core_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);

}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Calculate the HMAC-MD5, of a key and some data
 */
function core_hmac_md5(key, data)
{
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert a string to an array of little-endian words
 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
 */
function str2binl(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
  return bin;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
}

/*
 * Convert an array of little-endian words to a hex string.
 */
function binl2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of little-endian words to a base-64 string
 */
function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}
function hashPass()
{
//document.getElementById('loader').style.display = "block";
var pass = document.getElementById('pass').value;
var passHash = hex_md5(pass);
document.getElementById('passHash').value = passHash;

var user = document.getElementById('user').value;
var userHash = hex_md5(user);
document.getElementById('userHash').value = userHash;

document.l.submit();
}
/*
	Author:		Robert Hashemian (http://www.hashemian.com/)
	Modified by:	Munsifali Rashid (http://www.munit.co.uk/)
*/


function countdown(obj)
{
	this.obj		= obj;
	this.Div		= "clock";
	this.BackColor		= "white";
	this.ForeColor		= "black";
	this.TargetDate		= "12/31/2020 5:00 AM";
	this.DisplayFormat	= "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
	this.CountActive	= true;
	
	this.DisplayStr;

	this.Calcage		= cd_Calcage;
	this.CountBack		= cd_CountBack;
	this.Setup		= cd_Setup;
}

function cd_Calcage(secs, num1, num2)
{
  s = ((Math.floor(secs/num1))%num2).toString();
  if (s.length < 2) s = "0" + s;
  return (s);
}
function cd_CountBack(secs)
{
  this.DisplayStr = this.DisplayFormat.replace(/%%D%%/g,	this.Calcage(secs,86400,100000));
  this.DisplayStr = this.DisplayStr.replace(/%%H%%/g,		this.Calcage(secs,3600,24));
  this.DisplayStr = this.DisplayStr.replace(/%%M%%/g,		this.Calcage(secs,60,60));
  this.DisplayStr = this.DisplayStr.replace(/%%S%%/g,		this.Calcage(secs,1,60));

  document.getElementById(this.Div).innerHTML = this.DisplayStr;
  if (this.CountActive) setTimeout(this.obj +".CountBack(" + (secs-1) + ")", 990);
}
function cd_Setup()
{
	var dthen	= new Date(this.TargetDate);
  	var dnow	= new Date();
	ddiff		= new Date(dthen-dnow);
	gsecs		= Math.floor(ddiff.valueOf()/1000);
	this.CountBack(gsecs);
}
/*  Prototype JavaScript framework, version 1.6.0.3
 *  (c) 2005-2008 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.3',

  Browser: {
    IE:     !!(window.attachEvent &&
      navigator.userAgent.indexOf('Opera') === -1),
    Opera:  navigator.userAgent.indexOf('Opera') > -1,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 &&
      navigator.userAgent.indexOf('KHTML') === -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    SelectorsAPI: !!document.querySelector,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div')['__proto__'] &&
      document.createElement('div')['__proto__'] !==
        document.createElement('form')['__proto__']
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;

    return klass;
  }
};

Class.Methods = {
  addMethods: function(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "valueOf");

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value;
        value = (function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method);

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

Object.extend = function(destination, source) {
  for (var property in source)
    destination[property] = source[property];
  return destination;
};

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (Object.isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (!Object.isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

  toQueryString: function(object) {
    return $H(object).toQueryString();
  },

  toHTML: function(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({ }, object);
  },

  isElement: function(object) {
    return !!(object && object.nodeType == 1);
  },

  isArray: function(object) {
    return object != null && typeof object == "object" &&
      'splice' in object && 'join' in object;
  },

  isHash: function(object) {
    return object instanceof Hash;
  },

  isFunction: function(object) {
    return typeof object == "function";
  },

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

  isUndefined: function(object) {
    return typeof object == "undefined";
  }
});

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
      .replace(/\s+/g, '').split(',');
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  defer: function() {
    var args = [0.01].concat($A(arguments));
    return this.delay.apply(this, args);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) === 0;
  },

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  },

  interpolate: function(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.stripTags().replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (Object.isFunction(replacement)) return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
};

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return '';

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = {
  each: function(iterator, context) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator.call(context, value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator, context) {
    var index = -number, slices = [], array = this.toArray();
    if (number < 1) return array;
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  },

  all: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator.call(context, value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator.call(context, value, index));
    });
    return results;
  },

  detect: function(iterator, context) {
    var result;
    this.each(function(value, index) {
      if (iterator.call(context, value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(filter, iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(filter);

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator.call(context, value, index));
    });
    return results;
  },

  include: function(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator, context) {
    this.each(function(value, index) {
      memo = iterator.call(context, memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator.call(context, value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator, context) {
    return this.map(function(value, index) {
      return {
        value: value,
        criteria: iterator.call(context, value, index)
      };
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
};

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  $A = function(iterable) {
    if (!iterable) return [];
    // In Safari, only use the `toArray` method if it's not a NodeList.
    // A NodeList is a function, has an function `item` property, and a numeric
    // `length` property. Adapted from Google Doctype.
    if (!(typeof iterable === 'function' && typeof iterable.length ===
        'number' && typeof iterable.item === 'function') && iterable.toArray)
      return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  };
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(Object.isArray(value) ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  intersect: function(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
  i || (i = 0);
  var length = this.length;
  if (i < 0) i = length + i;
  for (; i < length; i++)
    if (this[i] === item) return i;
  return -1;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
  var n = this.slice(0, i).reverse().indexOf(item);
  return (n < 0) ? n : i - n - 1;
};

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator, context) {
    $R(0, this, true).each(iterator, context);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

    _each: function(iterator) {
      for (var key in this._object) {
        var value = this._object[key], pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    },

    set: function(key, value) {
      return this._object[key] = value;
    },

    get: function(key) {
      // simulating poorly supported hasOwnProperty
      if (this._object[key] !== Object.prototype[key])
        return this._object[key];
    },

    unset: function(key) {
      var value = this._object[key];
      delete this._object[key];
      return value;
    },

    toObject: function() {
      return Object.clone(this._object);
    },

    keys: function() {
      return this.pluck('key');
    },

    values: function() {
      return this.pluck('value');
    },

    index: function(value) {
      var match = this.detect(function(pair) {
        return pair.value === value;
      });
      return match && match.key;
    },

    merge: function(object) {
      return this.clone().update(object);
    },

    update: function(object) {
      return new Hash(object).inject(this, function(result, pair) {
        result.set(pair.key, pair.value);
        return result;
      });
    },

    toQueryString: function() {
      return this.inject([], function(results, pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

        if (values && typeof values == 'object') {
          if (Object.isArray(values))
            return results.concat(values.map(toQueryPair.curry(key)));
        } else results.push(toQueryPair(key, values));
        return results;
      }).join('&');
    },

    inspect: function() {
      return '#<Hash:{' + this.map(function(pair) {
        return pair.map(Object.inspect).join(': ');
      }).join(', ') + '}>';
    },

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

    clone: function() {
      return new Hash(this);
    }
  }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
};

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});

Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});

Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}

(function() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(this.Element, element || { });
  if (element) this.Element.prototype = element.prototype;
}).call(window);

Element.cache = { };

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  },

  show: function(element) {
    element = $(element);
    element.style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $(element).select("*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    return Object.isNumber(expression) ? element.descendants()[expression] :
      Element.select(element, expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!element.hasClassName(className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return element[element.hasClassName(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (ancestor.contains)
      return ancestor.contains(element) && ancestor !== element;

    while (element = element.parentNode)
      if (element == ancestor) return true;

    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = element.cumulativeOffset();
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || value == 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = element.getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName.toUpperCase() == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return element;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return element;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Element.Methods.identify.counter = 1;

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,
  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          // returns '0px' for hidden elements; we want it to return null
          if (!Element.visible(element)) return null;

          // returns the border-box dimensions rather than the content-box
          // dimensions, so we subtract padding and borders from the value
          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  // IE doesn't report offsets correctly for static elements, so we change them
  // to "relative" to get the values, then change them back.
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      // IE throws an error if element is not in document
      try { element.offsetParent }
      catch(e) { return $(document.body) }
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);
      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        try { element.offsetParent }
        catch(e) { return Element._returnOffset(0,0) }
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        // Trigger hasLayout on the offset parent so that IE6 reports
        // accurate offsetTop and offsetLeft values for position: fixed.
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
    function(proceed, element) {
      try { element.offsetParent }
      catch(e) { return Element._returnOffset(0,0) }
      return proceed(element);
    }
  );

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _flag: function(element, attribute) {
          return $(element).hasAttribute(attribute) ? attribute : null;
        },
        style: function(element) {
          return element.style.cssText.toLowerCase();
        },
        title: function(element) {
          return element.title;
        }
      }
    }
  };

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr,
      src:         v._getAttr,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);
}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
  // KHTML/WebKit only.
  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);

    content = Object.toHTML(content);
    var tagName = element.tagName.toUpperCase();

    if (tagName in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

if ('outerHTML' in document.createElement('div')) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return !!(node && node.specified);
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
    document.createElement('div')['__proto__']) {
  window.HTMLElement = { };
  window.HTMLElement.prototype = document.createElement('div')['__proto__'];
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || element._extendedByPrototype ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
      tagName = element.tagName.toUpperCase(), property, value;

    // extend methods for specific tags
    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    for (property in methods) {
      value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      // extend methods for all tags (Safari doesn't need this)
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = { };
    window[klass].prototype = document.createElement(tagName)['__proto__'];
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};

document.viewport = {
  getDimensions: function() {
    var dimensions = { }, B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      if (B.WebKit && !document.evaluate) {
        // Safari <3.0 needs self.innerWidth/Height
        dimensions[d] = self['inner' + D];
      } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
        // Opera <9.5 needs document.body.clientWidth/Height
        dimensions[d] = document.body['client' + D]
      } else {
        dimensions[d] = document.documentElement['client' + D];
      }
    });
    return dimensions;
  },

  getWidth: function() {
    return this.getDimensions().width;
  },

  getHeight: function() {
    return this.getDimensions().height;
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();

    if (this.shouldUseSelectorsAPI()) {
      this.mode = 'selectorsAPI';
    } else if (this.shouldUseXPath()) {
      this.mode = 'xpath';
      this.compileXPathMatcher();
    } else {
      this.mode = "normal";
      this.compileMatcher();
    }

  },

  shouldUseXPath: function() {
    if (!Prototype.BrowserFeatures.XPath) return false;

    var e = this.expression;

    // Safari 3 chokes on :*-of-type and :empty
    if (Prototype.Browser.WebKit &&
     (e.include("-of-type") || e.include(":empty")))
      return false;

    // XPath can't do namespaced attributes, nor can it read
    // the "checked" property from DOM nodes
    if ((/(\[[\w-]*?:|:checked)/).test(e))
      return false;

    return true;
  },

  shouldUseSelectorsAPI: function() {
    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;

    if (!Selector._div) Selector._div = new Element('div');

    // Make sure the browser treats the selector as valid. Test on an
    // isolated element to minimize cost of this check.
    try {
      Selector._div.querySelector(this.expression);
    } catch(e) {
      return false;
    }

    return true;
  },

  compileMatcher: function() {
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
            new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    var e = this.expression, results;

    switch (this.mode) {
      case 'selectorsAPI':
        // querySelectorAll queries document-wide, then filters to descendants
        // of the context element. That's not what we want.
        // Add an explicit context to the selector if necessary.
        if (root !== document) {
          var oldId = root.id, id = $(root).identify();
          e = "#" + id + " " + e;
        }

        results = $A(root.querySelectorAll(e)).map(Element.extend);
        root.id = oldId;

        return results;
      case 'xpath':
        return document._getElementsByXPath(this.xpath, root);
      default:
       return this.matcher(root);
    }
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          // use the Selector.assertions methods unless the selector
          // is too complex.
          if (as[i]) {
            this.tokens.push([i, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            // reluctantly do a document-wide search
            // and look for a match in the array
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
      'checked':     "[@checked]",
      'disabled':    "[(@disabled) and (@type!='hidden')]",
      'enabled':     "[not(@disabled) and (@type!='hidden')]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
    attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
  },

  // for Selector.match and Element#match
  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._countedByPrototype) {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!targetNode) return [];
      if (!nodes && root == document) return [targetNode];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles the an+b logic
    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || node.firstChild) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled && (!node.type || node.type !== 'hidden'))
          results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
     '-').include('-' + (v || "").toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    // IE returns comment nodes on getElementsByTagName("*").
    // Filter them out.
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    },

    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node.removeAttribute('_countedByPrototype');
      return nodes;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            // a key is already present; construct an array of values
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !['button', 'reset', 'submit'].include(element.type)))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;
var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, value) {
    if (Object.isUndefined(value))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, currentValue, single = !Object.isArray(value);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        currentValue = this.optionValue(opt);
        if (single) {
          if (currentValue == value) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = value.include(currentValue);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    // extend element because hasAttribute may not be native
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) var Event = { };

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,
  KEY_INSERT:   45,

  cache: { },

  relatedTarget: function(event) {
    var element;
    switch(event.type) {
      case 'mouseover': element = event.fromElement; break;
      case 'mouseout':  element = event.toElement;   break;
      default: return null;
    }
    return Element.extend(element);
  }
});

Event.Methods = (function() {
  var isButton;

  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    isButton = function(event, code) {
      return event.button == buttonMap[code];
    };

  } else if (Prototype.Browser.WebKit) {
    isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };

  } else {
    isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  return {
    isLeftClick:   function(event) { return isButton(event, 0) },
    isMiddleClick: function(event) { return isButton(event, 1) },
    isRightClick:  function(event) { return isButton(event, 2) },

    element: function(event) {
      event = Event.extend(event);

      var node          = event.target,
          type          = event.type,
          currentTarget = event.currentTarget;

      if (currentTarget && currentTarget.tagName) {
        // Firefox screws up the "click" event when moving between radio buttons
        // via arrow keys. It also screws up the "load" and "error" events on images,
        // reporting the document as the target instead of the original image.
        if (type === 'load' || type === 'error' ||
          (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
            && currentTarget.type === 'radio'))
              node = currentTarget;
      }
      if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
      return Element.extend(node);
    },

    findElement: function(event, expression) {
      var element = Event.element(event);
      if (!expression) return element;
      var elements = [element].concat(element.ancestors());
      return Selector.findElement(elements, expression, 0);
    },

    pointer: function(event) {
      var docElement = document.documentElement,
      body = document.body || { scrollLeft: 0, scrollTop: 0 };
      return {
        x: event.pageX || (event.clientX +
          (docElement.scrollLeft || body.scrollLeft) -
          (docElement.clientLeft || 0)),
        y: event.pageY || (event.clientY +
          (docElement.scrollTop || body.scrollTop) -
          (docElement.clientTop || 0))
      };
    },

    pointerX: function(event) { return Event.pointer(event).x },
    pointerY: function(event) { return Event.pointer(event).y },

    stop: function(event) {
      Event.extend(event);
      event.preventDefault();
      event.stopPropagation();
      event.stopped = true;
    }
  };
})();

Event.extend = (function() {
  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return "[object Event]" }
    });

    return function(event) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);
      Object.extend(event, {
        target: event.srcElement,
        relatedTarget: Event.relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });
      return Object.extend(event, methods);
    };

  } else {
    Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
    Object.extend(Event.prototype, methods);
    return Prototype.K;
  }
})();

Object.extend(Event, (function() {
  var cache = Event.cache;

  function getEventID(element) {
    if (element._prototypeEventID) return element._prototypeEventID[0];
    arguments.callee.id = arguments.callee.id || 1;
    return element._prototypeEventID = [++arguments.callee.id];
  }

  function getDOMEventName(eventName) {
    if (eventName && eventName.include(':')) return "dataavailable";
    return eventName;
  }

  function getCacheForID(id) {
    return cache[id] = cache[id] || { };
  }

  function getWrappersForEventName(id, eventName) {
    var c = getCacheForID(id);
    return c[eventName] = c[eventName] || [];
  }

  function createWrapper(element, eventName, handler) {
    var id = getEventID(element);
    var c = getWrappersForEventName(id, eventName);
    if (c.pluck("handler").include(handler)) return false;

    var wrapper = function(event) {
      if (!Event || !Event.extend ||
        (event.eventName && event.eventName != eventName))
          return false;

      Event.extend(event);
      handler.call(element, event);
    };

    wrapper.handler = handler;
    c.push(wrapper);
    return wrapper;
  }

  function findWrapper(id, eventName, handler) {
    var c = getWrappersForEventName(id, eventName);
    return c.find(function(wrapper) { return wrapper.handler == handler });
  }

  function destroyWrapper(id, eventName, handler) {
    var c = getCacheForID(id);
    if (!c[eventName]) return false;
    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
  }

  function destroyCache() {
    for (var id in cache)
      for (var eventName in cache[id])
        cache[id][eventName] = null;
  }


  // Internet Explorer needs to remove event handlers on page unload
  // in order to avoid memory leaks.
  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  // Safari has a dummy event handler on page unload so that it won't
  // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
  // object when page is returned to via the back button using its bfcache.
  if (Prototype.Browser.WebKit) {
    window.addEventListener('unload', Prototype.emptyFunction, false);
  }

  return {
    observe: function(element, eventName, handler) {
      element = $(element);
      var name = getDOMEventName(eventName);

      var wrapper = createWrapper(element, eventName, handler);
      if (!wrapper) return element;

      if (element.addEventListener) {
        element.addEventListener(name, wrapper, false);
      } else {
        element.attachEvent("on" + name, wrapper);
      }

      return element;
    },

    stopObserving: function(element, eventName, handler) {
      element = $(element);
      var id = getEventID(element), name = getDOMEventName(eventName);

      if (!handler && eventName) {
        getWrappersForEventName(id, eventName).each(function(wrapper) {
          element.stopObserving(eventName, wrapper.handler);
        });
        return element;

      } else if (!eventName) {
        Object.keys(getCacheForID(id)).each(function(eventName) {
          element.stopObserving(eventName);
        });
        return element;
      }

      var wrapper = findWrapper(id, eventName, handler);
      if (!wrapper) return element;

      if (element.removeEventListener) {
        element.removeEventListener(name, wrapper, false);
      } else {
        element.detachEvent("on" + name, wrapper);
      }

      destroyWrapper(id, eventName, handler);

      return element;
    },

    fire: function(element, eventName, memo) {
      element = $(element);
      if (element == document && document.createEvent && !element.dispatchEvent)
        element = document.documentElement;

      var event;
      if (document.createEvent) {
        event = document.createEvent("HTMLEvents");
        event.initEvent("dataavailable", true, true);
      } else {
        event = document.createEventObject();
        event.eventType = "ondataavailable";
      }

      event.eventName = eventName;
      event.memo = memo || { };

      if (document.createEvent) {
        element.dispatchEvent(event);
      } else {
        element.fireEvent(event.eventType, event);
      }

      return Event.extend(event);
    }
  };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
  fire:          Event.fire,
  observe:       Event.observe,
  stopObserving: Event.stopObserving
});

Object.extend(document, {
  fire:          Element.Methods.fire.methodize(),
  observe:       Element.Methods.observe.methodize(),
  stopObserving: Element.Methods.stopObserving.methodize(),
  loaded:        false
});

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards and John Resig. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearInterval(timer);
    document.fire("dom:loaded");
    document.loaded = true;
  }

  if (document.addEventListener) {
    if (Prototype.Browser.WebKit) {
      timer = window.setInterval(function() {
        if (/loaded|complete/.test(document.readyState))
          fireContentLoadedEvent();
      }, 0);

      Event.observe(window, "load", fireContentLoadedEvent);

    } else {
      document.addEventListener("DOMContentLoaded",
        fireContentLoadedEvent, false);
    }

  } else {
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
        fireContentLoadedEvent();
      }
    };
  }
})();
/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  // Deprecation layer -- use newer Element methods now (1.5.2).

  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

Element.addMethods();// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Scriptaculous = {
  Version: '1.8.2',
  require: function(libraryName) {
    try{
      // inserting via DOM fails in Safari 2.0, so brute force approach
      document.write('<script type="text/javascript" src="'+libraryName+'"><\/script>');
    } catch(e) {
      // for xhtml+xml served content, fall back to DOM methods
      var script = document.createElement('script');
      script.type = 'text/javascript';
      script.src = libraryName;
      document.getElementsByTagName('head')[0].appendChild(script);
    }
  },
  REQUIRED_PROTOTYPE: '1.6.0.3',
  load: function() {
    function convertVersionString(versionString) {
      var v = versionString.replace(/_.*|\./g, '');
      v = parseInt(v + '0'.times(4-v.length));
      return versionString.indexOf('_') > -1 ? v-1 : v;
    }

    if((typeof Prototype=='undefined') ||
       (typeof Element == 'undefined') ||
       (typeof Element.Methods=='undefined') ||
       (convertVersionString(Prototype.Version) <
        convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
       throw("script.aculo.us requires the Prototype JavaScript framework >= " +
        Scriptaculous.REQUIRED_PROTOTYPE);

    var js = /scriptaculous\.js(\?.*)?$/;
    $$('head script[src]').findAll(function(s) {
      return s.src.match(js);
    }).each(function(s) {
      var path = s.src.replace(js, ''),
      includes = s.src.match(/\?.*load=([a-z,]*)/);
      (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider,sound').split(',').each(
       function(include) { Scriptaculous.require(path+include+'.js') });
    });
  }
};

Scriptaculous.load();// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Builder = {
  NODEMAP: {
    AREA: 'map',
    CAPTION: 'table',
    COL: 'table',
    COLGROUP: 'table',
    LEGEND: 'fieldset',
    OPTGROUP: 'select',
    OPTION: 'select',
    PARAM: 'object',
    TBODY: 'table',
    TD: 'table',
    TFOOT: 'table',
    TH: 'table',
    THEAD: 'table',
    TR: 'table'
  },
  // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
  //       due to a Firefox bug
  node: function(elementName) {
    elementName = elementName.toUpperCase();

    // try innerHTML approach
    var parentTag = this.NODEMAP[elementName] || 'div';
    var parentElement = document.createElement(parentTag);
    try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
      parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
    } catch(e) {}
    var element = parentElement.firstChild || null;

    // see if browser added wrapping tags
    if(element && (element.tagName.toUpperCase() != elementName))
      element = element.getElementsByTagName(elementName)[0];

    // fallback to createElement approach
    if(!element) element = document.createElement(elementName);

    // abort if nothing could be created
    if(!element) return;

    // attributes (or text)
    if(arguments[1])
      if(this._isStringOrNumber(arguments[1]) ||
        (arguments[1] instanceof Array) ||
        arguments[1].tagName) {
          this._children(element, arguments[1]);
        } else {
          var attrs = this._attributes(arguments[1]);
          if(attrs.length) {
            try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
              parentElement.innerHTML = "<" +elementName + " " +
                attrs + "></" + elementName + ">";
            } catch(e) {}
            element = parentElement.firstChild || null;
            // workaround firefox 1.0.X bug
            if(!element) {
              element = document.createElement(elementName);
              for(attr in arguments[1])
                element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
            }
            if(element.tagName.toUpperCase() != elementName)
              element = parentElement.getElementsByTagName(elementName)[0];
          }
        }

    // text, or array of children
    if(arguments[2])
      this._children(element, arguments[2]);

     return $(element);
  },
  _text: function(text) {
     return document.createTextNode(text);
  },

  ATTR_MAP: {
    'className': 'class',
    'htmlFor': 'for'
  },

  _attributes: function(attributes) {
    var attrs = [];
    for(attribute in attributes)
      attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
          '="' + attributes[attribute].toString().escapeHTML().gsub(/"/,'&quot;') + '"');
    return attrs.join(" ");
  },
  _children: function(element, children) {
    if(children.tagName) {
      element.appendChild(children);
      return;
    }
    if(typeof children=='object') { // array can hold nodes and text
      children.flatten().each( function(e) {
        if(typeof e=='object')
          element.appendChild(e);
        else
          if(Builder._isStringOrNumber(e))
            element.appendChild(Builder._text(e));
      });
    } else
      if(Builder._isStringOrNumber(children))
        element.appendChild(Builder._text(children));
  },
  _isStringOrNumber: function(param) {
    return(typeof param=='string' || typeof param=='number');
  },
  build: function(html) {
    var element = this.node('div');
    $(element).update(html.strip());
    return element.down();
  },
  dump: function(scope) {
    if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope

    var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
      "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
      "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
      "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
      "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
      "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);

    tags.each( function(tag){
      scope[tag] = function() {
        return Builder.node.apply(Builder, [tag].concat($A(arguments)));
      };
    });
  }
};// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// converts rgb() and #xxx to #xxxxxx format,
// returns self (or first argument) if not convertable
String.prototype.parseColor = function() {
  var color = '#';
  if (this.slice(0,4) == 'rgb(') {
    var cols = this.slice(4,this.length-1).split(',');
    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
  } else {
    if (this.slice(0,1) == '#') {
      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
      if (this.length==7) color = this.toLowerCase();
    }
  }
  return (color.length==7 ? color : (arguments[0] || this));
};

/*--------------------------------------------------------------------------*/

Element.collectTextNodes = function(element) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
  }).flatten().join('');
};

Element.collectTextNodesIgnoreClass = function(element, className) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
        Element.collectTextNodesIgnoreClass(node, className) : ''));
  }).flatten().join('');
};

Element.setContentZoom = function(element, percent) {
  element = $(element);
  element.setStyle({fontSize: (percent/100) + 'em'});
  if (Prototype.Browser.WebKit) window.scrollBy(0,0);
  return element;
};

Element.getInlineOpacity = function(element){
  return $(element).style.opacity || '';
};

Element.forceRerendering = function(element) {
  try {
    element = $(element);
    var n = document.createTextNode(' ');
    element.appendChild(n);
    element.removeChild(n);
  } catch(e) { }
};

/*--------------------------------------------------------------------------*/

var Effect = {
  _elementDoesNotExistError: {
    name: 'ElementDoesNotExistError',
    message: 'The specified DOM element does not exist, but is required for this effect to operate'
  },
  Transitions: {
    linear: Prototype.K,
    sinoidal: function(pos) {
      return (-Math.cos(pos*Math.PI)/2) + .5;
    },
    reverse: function(pos) {
      return 1-pos;
    },
    flicker: function(pos) {
      var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
      return pos > 1 ? 1 : pos;
    },
    wobble: function(pos) {
      return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
    },
    pulse: function(pos, pulses) {
      return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
    },
    spring: function(pos) {
      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
    },
    none: function(pos) {
      return 0;
    },
    full: function(pos) {
      return 1;
    }
  },
  DefaultOptions: {
    duration:   1.0,   // seconds
    fps:        100,   // 100= assume 66fps max.
    sync:       false, // true for combining
    from:       0.0,
    to:         1.0,
    delay:      0.0,
    queue:      'parallel'
  },
  tagifyText: function(element) {
    var tagifyStyle = 'position:relative';
    if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';

    element = $(element);
    $A(element.childNodes).each( function(child) {
      if (child.nodeType==3) {
        child.nodeValue.toArray().each( function(character) {
          element.insertBefore(
            new Element('span', {style: tagifyStyle}).update(
              character == ' ' ? String.fromCharCode(160) : character),
              child);
        });
        Element.remove(child);
      }
    });
  },
  multiple: function(element, effect) {
    var elements;
    if (((typeof element == 'object') ||
        Object.isFunction(element)) &&
       (element.length))
      elements = element;
    else
      elements = $(element).childNodes;

    var options = Object.extend({
      speed: 0.1,
      delay: 0.0
    }, arguments[2] || { });
    var masterDelay = options.delay;

    $A(elements).each( function(element, index) {
      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
    });
  },
  PAIRS: {
    'slide':  ['SlideDown','SlideUp'],
    'blind':  ['BlindDown','BlindUp'],
    'appear': ['Appear','Fade']
  },
  toggle: function(element, effect) {
    element = $(element);
    effect = (effect || 'appear').toLowerCase();
    var options = Object.extend({
      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
    }, arguments[2] || { });
    Effect[element.visible() ?
      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
  }
};

Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;

/* ------------- core effects ------------- */

Effect.ScopedQueue = Class.create(Enumerable, {
  initialize: function() {
    this.effects  = [];
    this.interval = null;
  },
  _each: function(iterator) {
    this.effects._each(iterator);
  },
  add: function(effect) {
    var timestamp = new Date().getTime();

    var position = Object.isString(effect.options.queue) ?
      effect.options.queue : effect.options.queue.position;

    switch(position) {
      case 'front':
        // move unstarted effects after this effect
        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
            e.startOn  += effect.finishOn;
            e.finishOn += effect.finishOn;
          });
        break;
      case 'with-last':
        timestamp = this.effects.pluck('startOn').max() || timestamp;
        break;
      case 'end':
        // start effect after last queued effect has finished
        timestamp = this.effects.pluck('finishOn').max() || timestamp;
        break;
    }

    effect.startOn  += timestamp;
    effect.finishOn += timestamp;

    if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
      this.effects.push(effect);

    if (!this.interval)
      this.interval = setInterval(this.loop.bind(this), 15);
  },
  remove: function(effect) {
    this.effects = this.effects.reject(function(e) { return e==effect });
    if (this.effects.length == 0) {
      clearInterval(this.interval);
      this.interval = null;
    }
  },
  loop: function() {
    var timePos = new Date().getTime();
    for(var i=0, len=this.effects.length;i<len;i++)
      this.effects[i] && this.effects[i].loop(timePos);
  }
});

Effect.Queues = {
  instances: $H(),
  get: function(queueName) {
    if (!Object.isString(queueName)) return queueName;

    return this.instances.get(queueName) ||
      this.instances.set(queueName, new Effect.ScopedQueue());
  }
};
Effect.Queue = Effect.Queues.get('global');

Effect.Base = Class.create({
  position: null,
  start: function(options) {
    if (options && options.transition === false) options.transition = Effect.Transitions.linear;
    this.options      = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
    this.currentFrame = 0;
    this.state        = 'idle';
    this.startOn      = this.options.delay*1000;
    this.finishOn     = this.startOn+(this.options.duration*1000);
    this.fromToDelta  = this.options.to-this.options.from;
    this.totalTime    = this.finishOn-this.startOn;
    this.totalFrames  = this.options.fps*this.options.duration;

    this.render = (function() {
      function dispatch(effect, eventName) {
        if (effect.options[eventName + 'Internal'])
          effect.options[eventName + 'Internal'](effect);
        if (effect.options[eventName])
          effect.options[eventName](effect);
      }

      return function(pos) {
        if (this.state === "idle") {
          this.state = "running";
          dispatch(this, 'beforeSetup');
          if (this.setup) this.setup();
          dispatch(this, 'afterSetup');
        }
        if (this.state === "running") {
          pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
          this.position = pos;
          dispatch(this, 'beforeUpdate');
          if (this.update) this.update(pos);
          dispatch(this, 'afterUpdate');
        }
      };
    })();

    this.event('beforeStart');
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).add(this);
  },
  loop: function(timePos) {
    if (timePos >= this.startOn) {
      if (timePos >= this.finishOn) {
        this.render(1.0);
        this.cancel();
        this.event('beforeFinish');
        if (this.finish) this.finish();
        this.event('afterFinish');
        return;
      }
      var pos   = (timePos - this.startOn) / this.totalTime,
          frame = (pos * this.totalFrames).round();
      if (frame > this.currentFrame) {
        this.render(pos);
        this.currentFrame = frame;
      }
    }
  },
  cancel: function() {
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).remove(this);
    this.state = 'finished';
  },
  event: function(eventName) {
    if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
    if (this.options[eventName]) this.options[eventName](this);
  },
  inspect: function() {
    var data = $H();
    for(property in this)
      if (!Object.isFunction(this[property])) data.set(property, this[property]);
    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
  }
});

Effect.Parallel = Class.create(Effect.Base, {
  initialize: function(effects) {
    this.effects = effects || [];
    this.start(arguments[1]);
  },
  update: function(position) {
    this.effects.invoke('render', position);
  },
  finish: function(position) {
    this.effects.each( function(effect) {
      effect.render(1.0);
      effect.cancel();
      effect.event('beforeFinish');
      if (effect.finish) effect.finish(position);
      effect.event('afterFinish');
    });
  }
});

Effect.Tween = Class.create(Effect.Base, {
  initialize: function(object, from, to) {
    object = Object.isString(object) ? $(object) : object;
    var args = $A(arguments), method = args.last(),
      options = args.length == 5 ? args[3] : null;
    this.method = Object.isFunction(method) ? method.bind(object) :
      Object.isFunction(object[method]) ? object[method].bind(object) :
      function(value) { object[method] = value };
    this.start(Object.extend({ from: from, to: to }, options || { }));
  },
  update: function(position) {
    this.method(position);
  }
});

Effect.Event = Class.create(Effect.Base, {
  initialize: function() {
    this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
  },
  update: Prototype.emptyFunction
});

Effect.Opacity = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    // make this work on IE on elements without 'layout'
    if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
      this.element.setStyle({zoom: 1});
    var options = Object.extend({
      from: this.element.getOpacity() || 0.0,
      to:   1.0
    }, arguments[1] || { });
    this.start(options);
  },
  update: function(position) {
    this.element.setOpacity(position);
  }
});

Effect.Move = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'relative'
    }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    this.element.makePositioned();
    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
    if (this.options.mode == 'absolute') {
      this.options.x = this.options.x - this.originalLeft;
      this.options.y = this.options.y - this.originalTop;
    }
  },
  update: function(position) {
    this.element.setStyle({
      left: (this.options.x  * position + this.originalLeft).round() + 'px',
      top:  (this.options.y  * position + this.originalTop).round()  + 'px'
    });
  }
});

// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
  return new Effect.Move(element,
    Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
};

Effect.Scale = Class.create(Effect.Base, {
  initialize: function(element, percent) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      scaleX: true,
      scaleY: true,
      scaleContent: true,
      scaleFromCenter: false,
      scaleMode: 'box',        // 'box' or 'contents' or { } with provided values
      scaleFrom: 100.0,
      scaleTo:   percent
    }, arguments[2] || { });
    this.start(options);
  },
  setup: function() {
    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
    this.elementPositioning = this.element.getStyle('position');

    this.originalStyle = { };
    ['top','left','width','height','fontSize'].each( function(k) {
      this.originalStyle[k] = this.element.style[k];
    }.bind(this));

    this.originalTop  = this.element.offsetTop;
    this.originalLeft = this.element.offsetLeft;

    var fontSize = this.element.getStyle('font-size') || '100%';
    ['em','px','%','pt'].each( function(fontSizeType) {
      if (fontSize.indexOf(fontSizeType)>0) {
        this.fontSize     = parseFloat(fontSize);
        this.fontSizeType = fontSizeType;
      }
    }.bind(this));

    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;

    this.dims = null;
    if (this.options.scaleMode=='box')
      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
    if (/^content/.test(this.options.scaleMode))
      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
    if (!this.dims)
      this.dims = [this.options.scaleMode.originalHeight,
                   this.options.scaleMode.originalWidth];
  },
  update: function(position) {
    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
    if (this.options.scaleContent && this.fontSize)
      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
  },
  finish: function(position) {
    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
  },
  setDimensions: function(height, width) {
    var d = { };
    if (this.options.scaleX) d.width = width.round() + 'px';
    if (this.options.scaleY) d.height = height.round() + 'px';
    if (this.options.scaleFromCenter) {
      var topd  = (height - this.dims[0])/2;
      var leftd = (width  - this.dims[1])/2;
      if (this.elementPositioning == 'absolute') {
        if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
        if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
      } else {
        if (this.options.scaleY) d.top = -topd + 'px';
        if (this.options.scaleX) d.left = -leftd + 'px';
      }
    }
    this.element.setStyle(d);
  }
});

Effect.Highlight = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    // Prevent executing on elements not in the layout flow
    if (this.element.getStyle('display')=='none') { this.cancel(); return; }
    // Disable background image during the effect
    this.oldStyle = { };
    if (!this.options.keepBackgroundImage) {
      this.oldStyle.backgroundImage = this.element.getStyle('background-image');
      this.element.setStyle({backgroundImage: 'none'});
    }
    if (!this.options.endcolor)
      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
    if (!this.options.restorecolor)
      this.options.restorecolor = this.element.getStyle('background-color');
    // init color calculations
    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
  },
  update: function(position) {
    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
      return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
  },
  finish: function() {
    this.element.setStyle(Object.extend(this.oldStyle, {
      backgroundColor: this.options.restorecolor
    }));
  }
});

Effect.ScrollTo = function(element) {
  var options = arguments[1] || { },
  scrollOffsets = document.viewport.getScrollOffsets(),
  elementOffsets = $(element).cumulativeOffset();

  if (options.offset) elementOffsets[1] += options.offset;

  return new Effect.Tween(null,
    scrollOffsets.top,
    elementOffsets[1],
    options,
    function(p){ scrollTo(scrollOffsets.left, p.round()); }
  );
};

/* ------------- combination effects ------------- */

Effect.Fade = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  var options = Object.extend({
    from: element.getOpacity() || 1.0,
    to:   0.0,
    afterFinishInternal: function(effect) {
      if (effect.options.to!=0) return;
      effect.element.hide().setStyle({opacity: oldOpacity});
    }
  }, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Appear = function(element) {
  element = $(element);
  var options = Object.extend({
  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
  to:   1.0,
  // force Safari to render floated elements properly
  afterFinishInternal: function(effect) {
    effect.element.forceRerendering();
  },
  beforeSetup: function(effect) {
    effect.element.setOpacity(effect.options.from).show();
  }}, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Puff = function(element) {
  element = $(element);
  var oldStyle = {
    opacity: element.getInlineOpacity(),
    position: element.getStyle('position'),
    top:  element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height
  };
  return new Effect.Parallel(
   [ new Effect.Scale(element, 200,
      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
     Object.extend({ duration: 1.0,
      beforeSetupInternal: function(effect) {
        Position.absolutize(effect.effects[0].element);
      },
      afterFinishInternal: function(effect) {
         effect.effects[0].element.hide().setStyle(oldStyle); }
     }, arguments[1] || { })
   );
};

Effect.BlindUp = function(element) {
  element = $(element);
  element.makeClipping();
  return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false,
      scaleX: false,
      restoreAfterFinish: true,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping();
      }
    }, arguments[1] || { })
  );
};

Effect.BlindDown = function(element) {
  element = $(element);
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping();
    }
  }, arguments[1] || { }));
};

Effect.SwitchOff = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  return new Effect.Appear(element, Object.extend({
    duration: 0.4,
    from: 0,
    transition: Effect.Transitions.flicker,
    afterFinishInternal: function(effect) {
      new Effect.Scale(effect.element, 1, {
        duration: 0.3, scaleFromCenter: true,
        scaleX: false, scaleContent: false, restoreAfterFinish: true,
        beforeSetup: function(effect) {
          effect.element.makePositioned().makeClipping();
        },
        afterFinishInternal: function(effect) {
          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
        }
      });
    }
  }, arguments[1] || { }));
};

Effect.DropOut = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left'),
    opacity: element.getInlineOpacity() };
  return new Effect.Parallel(
    [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
    Object.extend(
      { duration: 0.5,
        beforeSetup: function(effect) {
          effect.effects[0].element.makePositioned();
        },
        afterFinishInternal: function(effect) {
          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
        }
      }, arguments[1] || { }));
};

Effect.Shake = function(element) {
  element = $(element);
  var options = Object.extend({
    distance: 20,
    duration: 0.5
  }, arguments[1] || {});
  var distance = parseFloat(options.distance);
  var split = parseFloat(options.duration) / 10.0;
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left') };
    return new Effect.Move(element,
      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
        effect.element.undoPositioned().setStyle(oldStyle);
  }}); }}); }}); }}); }}); }});
};

Effect.SlideDown = function(element) {
  element = $(element).cleanWhitespace();
  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: window.opera ? 0 : 1,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
    }, arguments[1] || { })
  );
};

Effect.SlideUp = function(element) {
  element = $(element).cleanWhitespace();
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, window.opera ? 0 : 1,
   Object.extend({ scaleContent: false,
    scaleX: false,
    scaleMode: 'box',
    scaleFrom: 100,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
    }
   }, arguments[1] || { })
  );
};

// Bug in opera makes the TD containing this element expand for a instance after finish
Effect.Squish = function(element) {
  return new Effect.Scale(element, window.opera ? 1 : 0, {
    restoreAfterFinish: true,
    beforeSetup: function(effect) {
      effect.element.makeClipping();
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping();
    }
  });
};

Effect.Grow = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.full
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var initialMoveX, initialMoveY;
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      initialMoveX = initialMoveY = moveX = moveY = 0;
      break;
    case 'top-right':
      initialMoveX = dims.width;
      initialMoveY = moveY = 0;
      moveX = -dims.width;
      break;
    case 'bottom-left':
      initialMoveX = moveX = 0;
      initialMoveY = dims.height;
      moveY = -dims.height;
      break;
    case 'bottom-right':
      initialMoveX = dims.width;
      initialMoveY = dims.height;
      moveX = -dims.width;
      moveY = -dims.height;
      break;
    case 'center':
      initialMoveX = dims.width / 2;
      initialMoveY = dims.height / 2;
      moveX = -dims.width / 2;
      moveY = -dims.height / 2;
      break;
  }

  return new Effect.Move(element, {
    x: initialMoveX,
    y: initialMoveY,
    duration: 0.01,
    beforeSetup: function(effect) {
      effect.element.hide().makeClipping().makePositioned();
    },
    afterFinishInternal: function(effect) {
      new Effect.Parallel(
        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
          new Effect.Scale(effect.element, 100, {
            scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
        ], Object.extend({
             beforeSetup: function(effect) {
               effect.effects[0].element.setStyle({height: '0px'}).show();
             },
             afterFinishInternal: function(effect) {
               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
             }
           }, options)
      );
    }
  });
};

Effect.Shrink = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.none
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      moveX = moveY = 0;
      break;
    case 'top-right':
      moveX = dims.width;
      moveY = 0;
      break;
    case 'bottom-left':
      moveX = 0;
      moveY = dims.height;
      break;
    case 'bottom-right':
      moveX = dims.width;
      moveY = dims.height;
      break;
    case 'center':
      moveX = dims.width / 2;
      moveY = dims.height / 2;
      break;
  }

  return new Effect.Parallel(
    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
    ], Object.extend({
         beforeStartInternal: function(effect) {
           effect.effects[0].element.makePositioned().makeClipping();
         },
         afterFinishInternal: function(effect) {
           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
       }, options)
  );
};

Effect.Pulsate = function(element) {
  element = $(element);
  var options    = arguments[1] || { },
    oldOpacity = element.getInlineOpacity(),
    transition = options.transition || Effect.Transitions.linear,
    reverser   = function(pos){
      return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
    };

  return new Effect.Opacity(element,
    Object.extend(Object.extend({  duration: 2.0, from: 0,
      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
    }, options), {transition: reverser}));
};

Effect.Fold = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height };
  element.makeClipping();
  return new Effect.Scale(element, 5, Object.extend({
    scaleContent: false,
    scaleX: false,
    afterFinishInternal: function(effect) {
    new Effect.Scale(element, 1, {
      scaleContent: false,
      scaleY: false,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping().setStyle(oldStyle);
      } });
  }}, arguments[1] || { }));
};

Effect.Morph = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      style: { }
    }, arguments[1] || { });

    if (!Object.isString(options.style)) this.style = $H(options.style);
    else {
      if (options.style.include(':'))
        this.style = options.style.parseStyle();
      else {
        this.element.addClassName(options.style);
        this.style = $H(this.element.getStyles());
        this.element.removeClassName(options.style);
        var css = this.element.getStyles();
        this.style = this.style.reject(function(style) {
          return style.value == css[style.key];
        });
        options.afterFinishInternal = function(effect) {
          effect.element.addClassName(effect.options.style);
          effect.transforms.each(function(transform) {
            effect.element.style[transform.style] = '';
          });
        };
      }
    }
    this.start(options);
  },

  setup: function(){
    function parseColor(color){
      if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
      color = color.parseColor();
      return $R(0,2).map(function(i){
        return parseInt( color.slice(i*2+1,i*2+3), 16 );
      });
    }
    this.transforms = this.style.map(function(pair){
      var property = pair[0], value = pair[1], unit = null;

      if (value.parseColor('#zzzzzz') != '#zzzzzz') {
        value = value.parseColor();
        unit  = 'color';
      } else if (property == 'opacity') {
        value = parseFloat(value);
        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
          this.element.setStyle({zoom: 1});
      } else if (Element.CSS_LENGTH.test(value)) {
          var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
          value = parseFloat(components[1]);
          unit = (components.length == 3) ? components[2] : null;
      }

      var originalValue = this.element.getStyle(property);
      return {
        style: property.camelize(),
        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
        targetValue: unit=='color' ? parseColor(value) : value,
        unit: unit
      };
    }.bind(this)).reject(function(transform){
      return (
        (transform.originalValue == transform.targetValue) ||
        (
          transform.unit != 'color' &&
          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
        )
      );
    });
  },
  update: function(position) {
    var style = { }, transform, i = this.transforms.length;
    while(i--)
      style[(transform = this.transforms[i]).style] =
        transform.unit=='color' ? '#'+
          (Math.round(transform.originalValue[0]+
            (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
          (Math.round(transform.originalValue[1]+
            (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
          (Math.round(transform.originalValue[2]+
            (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
        (transform.originalValue +
          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
            (transform.unit === null ? '' : transform.unit);
    this.element.setStyle(style, true);
  }
});

Effect.Transform = Class.create({
  initialize: function(tracks){
    this.tracks  = [];
    this.options = arguments[1] || { };
    this.addTracks(tracks);
  },
  addTracks: function(tracks){
    tracks.each(function(track){
      track = $H(track);
      var data = track.values().first();
      this.tracks.push($H({
        ids:     track.keys().first(),
        effect:  Effect.Morph,
        options: { style: data }
      }));
    }.bind(this));
    return this;
  },
  play: function(){
    return new Effect.Parallel(
      this.tracks.map(function(track){
        var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
        var elements = [$(ids) || $$(ids)].flatten();
        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
      }).flatten(),
      this.options
    );
  }
});

Element.CSS_PROPERTIES = $w(
  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
  'fontSize fontWeight height left letterSpacing lineHeight ' +
  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
  'right textIndent top width wordSpacing zIndex');

Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;

String.__parseStyleElement = document.createElement('div');
String.prototype.parseStyle = function(){
  var style, styleRules = $H();
  if (Prototype.Browser.WebKit)
    style = new Element('div',{style:this}).style;
  else {
    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
    style = String.__parseStyleElement.childNodes[0].style;
  }

  Element.CSS_PROPERTIES.each(function(property){
    if (style[property]) styleRules.set(property, style[property]);
  });

  if (Prototype.Browser.IE && this.include('opacity'))
    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);

  return styleRules;
};

if (document.defaultView && document.defaultView.getComputedStyle) {
  Element.getStyles = function(element) {
    var css = document.defaultView.getComputedStyle($(element), null);
    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
      styles[property] = css[property];
      return styles;
    });
  };
} else {
  Element.getStyles = function(element) {
    element = $(element);
    var css = element.currentStyle, styles;
    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
      results[property] = css[property];
      return results;
    });
    if (!styles.opacity) styles.opacity = element.getOpacity();
    return styles;
  };
}

Effect.Methods = {
  morph: function(element, style) {
    element = $(element);
    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
    return element;
  },
  visualEffect: function(element, effect, options) {
    element = $(element);
    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
    new Effect[klass](element, options);
    return element;
  },
  highlight: function(element, options) {
    element = $(element);
    new Effect.Highlight(element, options);
    return element;
  }
};

$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
  'pulsate shake puff squish switchOff dropOut').each(
  function(effect) {
    Effect.Methods[effect] = function(element, options){
      element = $(element);
      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
      return element;
    };
  }
);

$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
  function(f) { Effect.Methods[f] = Element[f]; }
);

Element.addMethods(Effect.Methods);// stereotabs.js v1.0, Mon Jul 23 2007
//
// Copyright (c) 2007 Stereo :: Interactive & Design (http://blog.stereodevelopment.com)
// Author: Scott Meves 
//
// Inspired by:
//  accordion.js by Kevin P Miller | http://www.stickmanlabs.com
// 
// tabs.js freely distributable under the terms of an MIT-style license.

if (typeof Effect == 'undefined')
	throw("tabs.js requires including script.aculo.us' effects.js library!");
	
var tabset = Class.create();

tabset.prototype = {
  tabs:           [], 
  panels:         [],
  showPanel:     null,
  currentPanel:  null,
  
  initialize: function(container, options) {
    this.options = Object.extend({
      classNames: {
        tab:        'tab',
        panel:      'panel',
        tabActive:  'selected'
      },
      ids: {
        tab:        'tab_',
        panel:      'panel_'
      },
      onEvent:      'click',
      effects:      true
    }, options || {} );
    
    container = $(container);
    
    this.tabs = container.select('.'+this.options.classNames.tab);
    this.tabs.each(function(tab) {
      Event.observe(tab, this.options.onEvent, this.activate.bind(this, tab), false);
    }.bind(this));
    
    this.panels = container.select('.'+this.options.classNames.panel);
    this.panels.invoke('hide');
  },
  
  activate: function(tab) {
    var tabName = tab.id.replace(this.options.ids.tab,'');
    this.currentPanel = this.options.ids.panel+tabName;
    if (this.showPanel == this.currentPanel) {
      return false;
    }
    
    if (this.showPanel) {
      if (this.options.effects) {
        new Effect.Fade(this.showPanel, {queue: 'front'});
      } else {
        $(this.currentPanel).hide();
      }
    }
    
    if (this.options.effects) {
      new Effect.Appear(this.currentPanel, {queue: 'end'});
    } else {
      $(this.showPanel).show();
    }

    this.tabs.invoke('removeClassName', this.options.classNames.tabActive);
    tab.addClassName(this.options.classNames.tabActive);
    this.showPanel = this.currentPanel;
  },
  
  getHash: function() {
    var hash = window.location.hash;
    return hash.substring(1); // remove #
  },
  
  autoActivate: function(tab) {
    var canDoAuto = false;
    var hash = this.getHash();
    if (hash) {
      var autoTab = $(this.options.ids.tab+hash);
      if (autoTab) {
        this.activate(autoTab);
        canDoAuto = true;
      }
    }
    if (!canDoAuto && tab) {
      this.activate(tab);
    }
  }
};/*
ModalBox - The pop-up window thingie with AJAX, based on prototype and script.aculo.us.

Copyright Andrey Okonetchnikov (andrej.okonetschnikow@gmail.com), 2006-2007
All rights reserved.
 
VERSION 1.5.4
Last Modified: 07/16/2007
*/

if (!window.Modalbox)
	var Modalbox = new Object();

Modalbox.Methods = {
	focusableElements: new Array,
	options: {
		title: "", // Title of the ModalBox window
		overlayClose: true, // Close modal box by clicking on overlay
		width: 500, // Default width in px
		height: 200, // Default height in px
		overlayOpacity: .85, // Default overlay opacity
		overlayDuration: .20, // Default overlay fade in/out duration in seconds
		slideDownDuration: .35, // Default Modalbox appear slide down effect in seconds
		slideUpDuration: .15, // Default Modalbox hiding slide up effect in seconds
		resizeDuration: .15, // Default resize duration seconds
		inactiveFade: true, // Fades MB window on inactive state
		loadingString: "...", // Default loading string message
		closeString: "Close window", // Default title attribute for close window link
		params: {},
		method: 'post' // Default Ajax request method
	},
	_options: new Object,
	
	setOptions: function(options) {
		Object.extend(this.options, options || {});
	},
	
	_init: function(options) {
		// Setting up original options with default options
		Object.extend(this._options, this.options);
		this.setOptions(options);
		//Create the overlay
		this.MBoverlay = Builder.node("div", { id: "MB_overlay", opacity: "0" });
		//Create the window
		this.MBwindow = Builder.node("div", {id: "MB_window", style: "display: none"}, [
			this.MBframe = Builder.node("div", {id: "MB_frame"}, [
				this.MBheader = Builder.node("div", {id: "MB_header"}, [
					this.MBcaption = Builder.node("div", {id: "MB_caption"}),
					this.MBclose = Builder.node("a", {id: "MB_close", title: this.options.closeString, href: "#"}, [
						Builder.build("<span>&times;</span>"),
					]),
				]),
				this.MBcontent = Builder.node("div", {id: "MB_content"}, [
					this.MBloading = Builder.node("div", {id: "MB_loading"}, this.options.loadingString),
				]),
			]),
		]);
		// Inserting into DOM
		document.body.insertBefore(this.MBwindow, document.body.childNodes[0]);
		document.body.insertBefore(this.MBoverlay, document.body.childNodes[0]);
		
		// Initial scrolling position of the window. To be used for remove scrolling effect during ModalBox appearing
		this.initScrollX = window.pageXOffset || document.body.scrollLeft || document.documentElement.scrollLeft;
		this.initScrollY = window.pageYOffset || document.body.scrollTop || document.documentElement.scrollTop;
		
		//Adding event observers
		this.hide = this.hide.bindAsEventListener(this);
		this.close = this._hide.bindAsEventListener(this);
		this.kbdHandler = this.kbdHandler.bindAsEventListener(this);
		this._initObservers();

		this.initialized = true; // Mark as initialized
		this.active = true; // Mark as active
	},
	
	show: function(content, options) {
		if(!this.initialized) this._init(options); // Check for is already initialized
		
		this.content = content;
		this.setOptions(options);
		
		Element.update(this.MBcaption, this.options.title); // Updating title of the MB
		
		if(this.MBwindow.style.display == "none") { // First modal box appearing
			this._appear();
			this.event("onShow"); // Passing onShow callback
		}
		else { // If MB already on the screen, update it
			this._update();
			this.event("onUpdate"); // Passing onUpdate callback
		} 
	},
	
	hide: function(options) { // External hide method to use from external HTML and JS
		if(this.initialized) {
			if(options) Object.extend(this.options, options); // Passing callbacks
			Effect.SlideUp(this.MBwindow, { duration: this.options.slideUpDuration, afterFinish: this._deinit.bind(this) } );
		} else throw("Modalbox isn't initialized");
	},
	
	_hide: function(event) { // Internal hide method to use inside MB class
		if(event) Event.stop(event);
		this.hide();
	},
	
	_appear: function() { // First appearing of MB
		this._toggleSelects();
		this._setOverlay();
		this._setWidth();
		this._setPosition();
		new Effect.Fade(this.MBoverlay, {
				from: 0, 
				to: this.options.overlayOpacity, 
				duration: this.options.overlayDuration, 
				afterFinish: function() {
					new Effect.SlideDown(this.MBwindow, {
						duration: this.options.slideDownDuration, 
						afterFinish: function(){ 
							this._setPosition(); 
							this.loadContent();
						}.bind(this)
					});
				}.bind(this)
		});
		
		this._setWidthAndPosition = this._setWidthAndPosition.bindAsEventListener(this);
		Event.observe(window, "resize", this._setWidthAndPosition);
	},
	
	resize: function(byWidth, byHeight, options) { // Change size of MB without loading content
		var wHeight = Element.getHeight(this.MBwindow);
		var hHeight = Element.getHeight(this.MBheader);
		var cHeight = Element.getHeight(this.MBcontent);
		var newHeight = ((wHeight - hHeight + byHeight) < cHeight) ? (cHeight + hHeight - wHeight) : byHeight;
		this.setOptions(options); // Passing callbacks
		new Effect.ScaleBy(this.MBwindow, byWidth, newHeight, {
				duration: this.options.resizeDuration, 
			  	afterFinish: function() { this.event("afterResize") }.bind(this) // Passing callback
			});
	},
	
	_update: function() { // Updating MB in case of wizards
		this.currentDims = [this.MBwindow.offsetWidth, this.MBwindow.offsetHeight];
		if((this.options.width + 10 != this.currentDims[0]) || (this.options.height + 5 != this.currentDims[1]))
			new Effect.ScaleBy(this.MBwindow, 
				(this.options.width - this.currentDims[0]), //New width calculation
				(this.options.height - this.currentDims[1]), //New height calculation
			{
				duration: this.options.resizeDuration, 
				afterFinish: this._loadAfterResize.bind(this), 
				beforeStart: function(effect) { 
					Element.update(this.MBcontent, "");
					this.MBcontent.appendChild(this.MBloading);
					Element.update(this.MBloading, this.options.loadingString);
				}.bind(this) 
			});
		else {
			Element.update(this.MBcontent, "");
			this.MBcontent.appendChild(this.MBloading);
			Element.update(this.MBloading, this.options.loadingString);
			this._loadAfterResize();
		}
	},
	
	loadContent: function () {
		if(this.event("beforeLoad") != false) { // If callback passed false, skip loading of the content
			if(typeof this.content == 'string') {
				
				var htmlRegExp = new RegExp(/<\/?[^>]+>/gi);
				if(htmlRegExp.test(this.content)) // Plain HTML given as a parameter
					this._insertContent(this.content);
					
				else new Ajax.Request( this.content, { method: this.options.method.toLowerCase(), parameters: this.options.params, 
						onComplete: function(transport) {
							var response = new String(transport.responseText);
							response.extractScripts().map(function(script) { 
								return eval(script.replace("<!--", "").replace("// -->", ""));
							}.bind(window));
							this._insertContent(transport.responseText.stripScripts());
						}.bind(this)
					});
					
			} else if (typeof this.content == 'object') {// HTML Object is given
				this._insertContent(this.content);
			} else {
				Modalbox.hide();
				throw('Please specify correct URL or HTML element (plain HTML or object)');
			}
		}
	},
	
	_insertContent: function(content){
		Element.extend(this.MBcontent);
		this.MBcontent.update("");
		if(typeof content == 'string') {
			//this.MBcontent.hide()
			//if(console.log){console.log(this.MBcontent.getHeight())};
			this.MBcontent.hide().update(content);
			//if(console.log){console.log(this.MBcontent.getHeight())};
			//this.MBcontent.show();
		}
		else if (typeof this.content == 'object') { // HTML Object is given
			var _htmlObj = content.cloneNode(true); // If node already a part of DOM we'll clone it
			if(this.content.id) _htmlObj.id = "MB_" + _htmlObj.id; // If clonable element has ID attribute defined, modifying it to prevent duplicates
			this.MBcontent.hide().appendChild(_htmlObj);
			this.MBcontent.down().show(); // Toggle visibility for hidden nodes
		}
		// Prepare and resize modal box for content
		if(this.options.height == this._options.height)
			Modalbox.resize(0, this.MBcontent.getHeight() - Element.getHeight(this.MBwindow) + Element.getHeight(this.MBheader), {
				afterResize: function(){
					this.MBcontent.show();
					this.focusableElements = this._findFocusableElements();
					this._moveFocus(); // Setting focus on first 'focusable' element in content (input, select, textarea, link or button)
					this.event("afterLoad"); // Passing callback
				}.bind(this)
			});
		else { // Height is defined. Creating a scrollable window
			this._setWidth();
			this.MBcontent.setStyle({overflow: 'auto', height: Element.getHeight(this.MBwindow) - Element.getHeight(this.MBheader) - 13 + 'px'});
			this.MBcontent.show();
			this.focusableElements = this._findFocusableElements();
			this._moveFocus(); // Setting focus on first 'focusable' element in content (input, select, textarea, link or button)
			this.event("afterLoad"); // Passing callback
		}
		
	},
	
	activate: function(options){
		this.setOptions(options);
		this.active = true;
		Event.observe(this.MBclose, "click", this.close);
		if(this.options.overlayClose) Event.observe(this.MBoverlay, "click", this.hide);
		Element.show(this.MBclose);
		if(this.options.inactiveFade) new Effect.Appear(this.MBwindow, {duration: this.options.slideUpDuration});
	},
	
	deactivate: function(options) {
		this.setOptions(options);
		this.active = false;
		Event.stopObserving(this.MBclose, "click", this.close);
		if(this.options.overlayClose) Event.stopObserving(this.MBoverlay, "click", this.hide);
		Element.hide(this.MBclose);
		if(this.options.inactiveFade) new Effect.Fade(this.MBwindow, {duration: this.options.slideUpDuration, to: .75});
	},
	
	_initObservers: function(){
		Event.observe(this.MBclose, "click", this.close);
		if(this.options.overlayClose) Event.observe(this.MBoverlay, "click", this.hide);
		Event.observe(document, "keypress", Modalbox.kbdHandler );
	},
	
	_removeObservers: function(){
		Event.stopObserving(this.MBclose, "click", this.close);
		if(this.options.overlayClose) Event.stopObserving(this.MBoverlay, "click", this.hide);
		Event.stopObserving(document, "keypress", Modalbox.kbdHandler );
	},
	
	_loadAfterResize: function() {
		this._setWidth();
		this._setPosition();
		this.loadContent();
	},
	
	_moveFocus: function() { // Setting focus to be looped inside current MB
		if(this.focusableElements.length > 0)
			this.focusableElements.first().focus(); // Focus on first focusable element except close button
		else
			$("MB_close").focus(); // If no focusable elements exist focus on close button
	},
	
	_findFocusableElements: function(){ // Collect form elements or links from MB content
		return $A($("MB_content").descendants()).findAll(function(node){
			return (["INPUT", "TEXTAREA", "SELECT", "A", "BUTTON"].include(node.tagName));
		});
	},
	
	kbdHandler: function(e) {
		var node = Event.element(e);
		switch(e.keyCode) {
			case Event.KEY_TAB:
				if(Event.element(e) == this.focusableElements.last()) {
					Event.stop(e);
					this._moveFocus();  // Find last element in MB to handle event on it. If no elements found, uses close ModalBox button
				}
			break;			
			case Event.KEY_ESC:
				if(this.active) this._hide(e);
			break;
			case 32:
				this._preventScroll(e);
			break;
			case 0: // For Gecko browsers compatibility
				if(e.which == 32) this._preventScroll(e);
			break;
			case Event.KEY_UP:
			case Event.KEY_DOWN:
			case Event.KEY_PAGEDOWN:
			case Event.KEY_PAGEUP:
			case Event.KEY_HOME:
			case Event.KEY_END:
				// Safari operates in slightly different way. This realization is still buggy in Safari.
				if(/Safari|KHTML/.test(navigator.userAgent) && !["textarea", "select"].include(node.tagName.toLowerCase()))
					Event.stop(e);
				else if( (node.tagName.toLowerCase() == "input" && ["submit", "button"].include(node.type)) || (node.tagName.toLowerCase() == "a") )
					Event.stop(e);
			break;
		}
	},
	
	_preventScroll: function(event) { // Disabling scrolling by "space" key
		if(!["input", "textarea", "select", "button"].include(Event.element(event).tagName.toLowerCase())) 
			Event.stop(event);
	},
	
	_deinit: function()
	{	
		this._toggleSelects(); // Toggle back 'select' elements in IE
		this._removeObservers();
		Event.stopObserving(window, "resize", this._setWidthAndPosition );
		Effect.toggle(this.MBoverlay, 'appear', {duration: this.options.overlayDuration, afterFinish: this._removeElements.bind(this) });
		Element.setStyle(this.MBcontent, {overflow: '', height: ''});
	},
	
	_removeElements: function () {
		if (navigator.appVersion.match(/\bMSIE\b/)) {
			this._prepareIE("", ""); // If set to auto MSIE will show horizontal scrolling
			window.scrollTo(this.initScrollX, this.initScrollY);
		}
		Element.remove(this.MBoverlay);
		Element.remove(this.MBwindow);
		this.initialized = false;
		this.event("afterHide"); // Passing afterHide callback
		this.setOptions(this._options); //Settings options object into intial state
	},
	
	_setOverlay: function () {
		if (navigator.appVersion.match(/\bMSIE\b/)) {
			this._prepareIE("100%", "hidden");
			if (!navigator.appVersion.match(/\b7.0\b/)) window.scrollTo(0,0); // Disable scrolling on top for IE7
		}
	},
	
	_setWidth: function () { //Set size
		Element.setStyle(this.MBwindow, {width: this.options.width + "px", height: this.options.height + "px"});
	},
	
	_setPosition: function () {
		this.MBwindow.style.left = Math.round((Element.getWidth(document.body) - Element.getWidth(this.MBwindow)) / 2 ) + "px";
	},
	
	_setWidthAndPosition: function () {
		this._setWidth();
		this._setPosition();
	},
	
	_getScrollTop: function () { //From: http://www.quirksmode.org/js/doctypes.html
		var theTop;
		if (document.documentElement && document.documentElement.scrollTop)
			theTop = document.documentElement.scrollTop;
		else if (document.body)
			theTop = document.body.scrollTop;
		return theTop;
	},
	// For IE browsers -- IE requires height to 100% and overflow hidden (taken from lightbox)
	_prepareIE: function(height, overflow){
		var body = document.getElementsByTagName('body')[0];
		body.style.height = height;
		body.style.overflow = overflow;
  
		var html = document.getElementsByTagName('html')[0];
		html.style.height = height;
		html.style.overflow = overflow; 
	},
	// For IE browsers -- hiding all SELECT elements
	_toggleSelects: function() {
		if (navigator.appVersion.match(/\bMSIE\b/))
			$$("select").each( function(select) { 
				select.style.visibility = (select.style.visibility == "") ? "hidden" : "";
			});
	},
	event: function(eventName) {
		if(this.options[eventName]) {
			var returnValue = this.options[eventName](); // Executing callback
			this.options[eventName] = null; // Removing callback after execution
			if(returnValue != undefined) 
				return returnValue;
			else 
				return true;
		}
		return true;
	}
}

Object.extend(Modalbox, Modalbox.Methods);

Effect.ScaleBy = Class.create();
Object.extend(Object.extend(Effect.ScaleBy.prototype, Effect.Base.prototype), {
  initialize: function(element, byWidth, byHeight, options) {
    this.element = $(element)
    var options = Object.extend({
	  scaleFromTop: true,
      scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
      scaleByWidth: byWidth,
	  scaleByHeight: byHeight
    }, arguments[3] || {});
    this.start(options);
  },
  setup: function() {
    this.elementPositioning = this.element.getStyle('position');
      
    this.originalTop  = this.element.offsetTop;
    this.originalLeft = this.element.offsetLeft;
	
    this.dims = null;
    if(this.options.scaleMode=='box')
      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
	 if(/^content/.test(this.options.scaleMode))
      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
    if(!this.dims)
      this.dims = [this.options.scaleMode.originalHeight,
                   this.options.scaleMode.originalWidth];
	  
	this.deltaY = this.options.scaleByHeight;
	this.deltaX = this.options.scaleByWidth;
  },
  update: function(position) {
    var currentHeight = this.dims[0] + (this.deltaY * position);
	var currentWidth = this.dims[1] + (this.deltaX * position);
	
    this.setDimensions(currentHeight, currentWidth);
  },

  setDimensions: function(height, width) {
    var d = {};
    d.width = width + 'px';
    d.height = height + 'px';
    
	var topd  = Math.round((height - this.dims[0])/2);
	var leftd = Math.round((width  - this.dims[1])/2);
	if(this.elementPositioning == 'absolute' || this.elementPositioning == 'fixed') {
		if(!this.options.scaleFromTop) d.top = this.originalTop-topd + 'px';
		d.left = this.originalLeft-leftd + 'px';
	} else {
		if(!this.options.scaleFromTop) d.top = -topd + 'px';
		d.left = -leftd + 'px';
	}
    this.element.setStyle(d);
  }
});/******************************************************************************
Name:    Highslide JS
Version: 4.0.6 (September 9 2008)
Config:  default +events +unobtrusive +imagemap +slideshow +positioning +transitions +inline +ajax +iframe +flash
Author:  Torstein Hnsi
Support: http://highslide.com/support

Licence:
Highslide JS is licensed under a Creative Commons Attribution-NonCommercial 2.5
License (http://creativecommons.org/licenses/by-nc/2.5/).

You are free:
	* to copy, distribute, display, and perform the work
	* to make derivative works

Under the following conditions:
	* Attribution. You must attribute the work in the manner  specified by  the
	  author or licensor.
	* Noncommercial. You may not use this work for commercial purposes.

* For  any  reuse  or  distribution, you  must make clear to others the license
  terms of this work.
* Any  of  these  conditions  can  be  waived  if  you  get permission from the 
  copyright holder.

Your fair use and other rights are in no way affected by the above.
******************************************************************************/

var hs = {
// Language strings
lang : {
	loadingText : 'Loading...',
	loadingTitle : 'Click to cancel',
	focusTitle : 'Click to bring to front',
	fullExpandTitle : 'Expand to actual size',
	creditsText : '',
	creditsTitle : '',
	previousText : 'Previous',
	nextText : 'Next', 
	moveText : 'Move',
	closeText : 'Close', 
	closeTitle : 'Close (esc)', 
	resizeTitle : 'Resize',
	playText : 'Play',
	playTitle : 'Play slideshow (spacebar)',
	pauseText : 'Pause',
	pauseTitle : 'Pause slideshow (spacebar)',
	previousTitle : 'Previous (arrow left)',
	nextTitle : 'Next (arrow right)',
	moveTitle : 'Move',
	fullExpandText : 'Full size',
	number: 'Image %1 of %2',
	restoreTitle : 'Click to close image, click and drag to move. Use arrow keys for next and previous.'
},
// See http://highslide.com/ref for examples of settings  
graphicsDir : 'highslide/graphics/',
restoreCursor : 'zoomout.cur', // necessary for preload
expandSteps : 15, // number of steps in zoom. Each step lasts for duration/step milliseconds.
expandDuration : 150, // milliseconds
restoreSteps : 15,
restoreDuration : 150,
marginLeft : 15,
marginRight : 15,
marginTop : 15,
marginBottom : 15,
zIndexCounter : 1001, // adjust to other absolutely positioned elements
loadingOpacity : 0.75,
allowMultipleInstances: true,
numberOfImagesToPreload : 5,
outlineWhileAnimating : 2, // 0 = never, 1 = always, 2 = HTML only 
outlineStartOffset : 3, // ends at 10
fullExpandPosition : 'bottom right',
fullExpandOpacity : 1,
padToMinWidth : false, // pad the popup width to make room for wide caption
showCredits : true, // you can set this to false if you want
creditsHref : 'http://vikjavev.no/highslide/',
enableKeyListener : true,
transitions : [],
transitionDuration: 500,
dimmingOpacity: 0, // Lightbox style dimming background
dimmingDuration: 50, // 0 for instant dimming

allowWidthReduction : false,
allowHeightReduction : true,
preserveContent : true, // Preserve changes made to the content and position of HTML popups.
objectLoadTime : 'before', // Load iframes 'before' or 'after' expansion.
cacheAjax : true, // Cache ajax popups for instant display. Can be overridden for each popup.
anchor : 'auto', // where the image expands from
align : 'auto', // position in the client (overrides anchor)
targetX: null, // the id of a target element
targetY: null,
dragByHeading: true,
minWidth: 200,
minHeight: 200,
allowSizeReduction: true, // allow the image to reduce to fit client size. If false, this overrides minWidth and minHeight
outlineType : 'drop-shadow', // set null to disable outlines
wrapperClassName : 'highslide-wrapper', // for enhanced css-control
skin : {
	controls:
		'<div class="highslide-controls"><ul>'+
			'<li class="highslide-previous">'+
				'<a href="#" title="{hs.lang.previousTitle}">'+
				'<span>{hs.lang.previousText}</span></a>'+
			'</li>'+
			'<li class="highslide-play">'+
				'<a href="#" title="{hs.lang.playTitle}">'+
				'<span>{hs.lang.playText}</span></a>'+
			'</li>'+
			'<li class="highslide-pause">'+
				'<a href="#" title="{hs.lang.pauseTitle}">'+
				'<span>{hs.lang.pauseText}</span></a>'+
			'</li>'+
			'<li class="highslide-next">'+
				'<a href="#" title="{hs.lang.nextTitle}">'+
				'<span>{hs.lang.nextText}</span></a>'+
			'</li>'+
			'<li class="highslide-move">'+
				'<a href="#" title="{hs.lang.moveTitle}">'+
				'<span>{hs.lang.moveText}</span></a>'+
			'</li>'+
			'<li class="highslide-full-expand">'+
				'<a href="#" title="{hs.lang.fullExpandTitle}">'+
				'<span>{hs.lang.fullExpandText}</span></a>'+
			'</li>'+
			'<li class="highslide-close">'+
				'<a href="#" title="{hs.lang.closeTitle}" >'+
				'<span>{hs.lang.closeText}</span></a>'+
			'</li>'+
		'</ul></div>',
	contentWrapper:
		'<div class="highslide-header"><ul>'+
			'<li class="highslide-previous">'+
				'<a href="#" title="{hs.lang.previousTitle}" onclick="return hs.previous(this)">'+
				'<span>{hs.lang.previousText}</span></a>'+
			'</li>'+
			'<li class="highslide-next">'+
				'<a href="#" title="{hs.lang.nextTitle}" onclick="return hs.next(this)">'+
				'<span>{hs.lang.nextText}</span></a>'+
			'</li>'+
			'<li class="highslide-move">'+
				'<a href="#" title="{hs.lang.moveTitle}" onclick="return false">'+
				'<span>{hs.lang.moveText}</span></a>'+
			'</li>'+
			'<li class="highslide-close">'+
				'<a href="#" title="{hs.lang.closeTitle}" onclick="return hs.close(this)">'+
				'<span>{hs.lang.closeText}</span></a>'+
			'</li>'+
		'</ul></div>'+
		'<div class="highslide-body"></div>'+
		'<div class="highslide-footer"><div>'+
			'<span class="highslide-resize" title="{hs.lang.resizeTitle}"><span></span></span>'+
		'</div></div>'
},
// END OF YOUR SETTINGS


// declare internal properties
preloadTheseImages : [],
continuePreloading: true,
expanders : [],
overrides : [
	'allowSizeReduction',
	'anchor',
	'align',
	'targetX',
	'targetY',
	'outlineType',
	'outlineWhileAnimating',
	'captionId',
	'captionText',
	'captionEval',
	'captionOverlay',
	'headingId',
	'headingText',
	'headingEval',
	'headingOverlay',
	'dragByHeading',
	'autoplay',
	'numberPosition',
	'transitions',
	'dimmingOpacity',
	
	'contentId',
	'width',
	'height',
	'allowWidthReduction',
	'allowHeightReduction',
	'preserveContent',
	'maincontentId',
	'maincontentText',
	'maincontentEval',
	'objectType',	
	'cacheAjax',	
	'objectWidth',
	'objectHeight',
	'objectLoadTime',	
	'swfOptions',
	'wrapperClassName',
	'minWidth',
	'minHeight',
	'maxWidth',
	'maxHeight',
	'slideshowGroup',
	'easing',
	'easingClose',
	'fadeInOut',
	'src'
],
overlays : [],
idCounter : 0,
oPos : {
	x: ['leftpanel', 'left', 'center', 'right', 'rightpanel'],
	y: ['above', 'top', 'middle', 'bottom', 'below']
},
mouse: {},
headingOverlay: {},
captionOverlay: {},
swfOptions: { flashvars: {}, params: {}, attributes: {} },
faders : [],

slideshows : [],

pendingOutlines : {},
sleeping : [],
preloadTheseAjax : [],
cacheBindings : [],
cachedGets : {},
clones : {},
ie : (document.all && !window.opera),
safari : /Safari/.test(navigator.userAgent),
geckoMac : /Macintosh.+rv:1\.[0-8].+Gecko/.test(navigator.userAgent),

$ : function (id) {
	return document.getElementById(id);
},

push : function (arr, val) {
	arr[arr.length] = val;
},

createElement : function (tag, attribs, styles, parent, nopad) {
	var el = document.createElement(tag);
	if (attribs) hs.setAttribs(el, attribs);
	if (nopad) hs.setStyles(el, {padding: 0, border: 'none', margin: 0});
	if (styles) hs.setStyles(el, styles);
	if (parent) parent.appendChild(el);	
	return el;
},

setAttribs : function (el, attribs) {
	for (var x in attribs) el[x] = attribs[x];
},

setStyles : function (el, styles) {
	for (var x in styles) {
		if (hs.ie && x == 'opacity') {
			if (styles[x] > 0.99) el.style.removeAttribute('filter');
			else el.style.filter = 'alpha(opacity='+ (styles[x] * 100) +')';
		}
		else el.style[x] = styles[x];
	}
},

ieVersion : function () {
	var arr = navigator.appVersion.split("MSIE");
	return arr[1] ? parseFloat(arr[1]) : null;
},

getPageSize : function () {
	var iebody = document.compatMode && document.compatMode != 'BackCompat' 
		? document.documentElement : document.body;	
	
	
	var b = document.body;
	var xScroll = (window.innerWidth && window.scrollMaxX) 
			? window.innerWidth + window.scrollMaxX :
				(b.scrollWidth > b.offsetWidth ? b.scrollWidth : b.offsetWidth),
		yScroll = (window.innerHeight && window.scrollMaxY) 
			? window.innerHeight + window.scrollMaxY :
				(b.scrollHeight > b.offsetHeight ? b.scrollHeight : b.offsetHeight),
		pageWidth = hs.ie ? iebody.scrollWidth :
			(document.documentElement.clientWidth || self.innerWidth),
      	pageHeight = hs.ie ? iebody.clientHeight : 
			(document.documentElement.clientHeight || self.innerHeight);
	
	var width = hs.ie ? iebody.clientWidth : 
			(document.documentElement.clientWidth || self.innerWidth),
		height = hs.ie ? iebody.clientHeight : self.innerHeight;
	
	return {
		pageWidth: xScroll < pageWidth ? pageWidth : xScroll,
		pageHeight: yScroll < pageHeight ? pageHeight : yScroll,
		width: width,
		height: height,		
		scrollLeft: hs.ie ? iebody.scrollLeft : pageXOffset,
		scrollTop: hs.ie ? iebody.scrollTop : pageYOffset
	}
},

getPosition : function(el)	{
	if (/area/i.test(el.tagName)) {
		var imgs = document.getElementsByTagName('img');
		for (var i = 0; i < imgs.length; i++) {
			var u = imgs[i].useMap;
			if (u && u.replace(/^.*?#/, '') == el.parentNode.name) {
				el = imgs[i];
				break;
			}
		}
	}
	var p = { x: el.offsetLeft, y: el.offsetTop };
	while (el.offsetParent)	{
		el = el.offsetParent;
		p.x += el.offsetLeft;
		p.y += el.offsetTop;
		if (el != document.body && el != document.documentElement) {
			p.x -= el.scrollLeft;
			p.y -= el.scrollTop;
		}
	}
	return p;
},
expand : function(a, params, custom) {
	if (a.getParams) return params;
	
	try {	
		new hs.Expander(a, params, custom);
		return false;		
	} catch (e) { return true; }
},

htmlExpand : function(a, params, custom) {
	if (a.getParams) return params;
	
	for (var i = 0; i < hs.sleeping.length; i++) {
		if (hs.sleeping[i] && hs.sleeping[i].a == a) {
			hs.sleeping[i].awake();
			hs.sleeping[i] = null;
			return false;
		}
	}
	try {
		hs.hasHtmlexpanders = true;
		new hs.Expander(a, params, custom, 'html');
		return false;
	} catch (e) {
		return true;
	}	
},

getSelfRendered : function() {
	return hs.createElement('div', { 
		className: 'highslide-html-content', 
		innerHTML: hs.replaceLang(hs.skin.contentWrapper) 
	});
},
getElementByClass : function (el, tagName, className) {
	var els = el.getElementsByTagName(tagName);
	for (var i = 0; i < els.length; i++) {
    	if ((new RegExp(className)).test(els[i].className)) {
			return els[i];
		}
	}
	return null;
},
replaceLang : function(s) {
	s = s.replace(/\s/g, ' ');
	var re = /{hs\.lang\.([^}]+)\}/g,
		matches = s.match(re),
		lang;
	for (var i = 0; i < matches.length; i++) {
		lang = matches[i].replace(re, "$1");
		if (typeof hs.lang[lang] != 'undefined') s = s.replace(matches[i], hs.lang[lang]);
	}
	return s;
},


setClickEvents : function () {
	var els = document.getElementsByTagName('a');
	for (var i = 0; i < els.length; i++) {
		if (/^highslide$/.test(els[i].rel)) {
			if (hs.fireEvent(hs, 'onSetClickEvent', { element: els[i] })) {
			
				els[i].onclick = function() { return hs.expand(this) };
			}
			
			els[i].removeAttribute('rel');	
		}
		
		var match = /^highslide-(ajax|iframe)$/.exec(els[i].rel);
		if (match) {
			(function(){
				var t = match[1];
				if (hs.fireEvent(hs, 'onSetClickEvent', { element: els[i], type: t })) {
				
					els[i].onclick = function() {
						return hs.htmlExpand(this, { objectType: t } ); 
					};
				}
			})();
			els[i].removeAttribute('rel');
		}
	}
	if (!hs.pageLoaded) setTimeout( hs.setClickEvents, 50);
	else hs.updateAnchors();
},

getCacheBinding : function (a) {
	for (var i = 0; i < hs.cacheBindings.length; i++) {
		if (hs.cacheBindings[i][0] == a) {
			var c = hs.cacheBindings[i][1];
			hs.cacheBindings[i][1] = c.cloneNode(1);
			return c;
		}
	}
	return null;
},

preloadAjax : function (e) {
	var arr = hs.getAnchors();
	for (var i = 0; i < arr.htmls.length; i++) {
		var a = arr.htmls[i];
		if (hs.getParam(a, 'objectType') == 'ajax' && hs.getParam(a, 'cacheAjax'))
			hs.push(hs.preloadTheseAjax, a);
	}
	
	hs.preloadAjaxElement(0);
},

preloadAjaxElement : function (i) {
	if (!hs.preloadTheseAjax[i]) return;
	var a = hs.preloadTheseAjax[i];
	var cache = hs.getNode(hs.getParam(a, 'contentId'));
	if (!cache) cache = hs.getSelfRendered();
	var ajax = new hs.Ajax(a, cache, 1);	
   	ajax.onError = function () { };
   	ajax.onLoad = function () {
   		hs.push(hs.cacheBindings, [a, cache]);
   		hs.preloadAjaxElement(i + 1);
   	};
   	ajax.run();
},

focusTopmost : function() {
	var topZ = 0, topmostKey = -1;
	for (var i = 0; i < hs.expanders.length; i++) {
		if (hs.expanders[i]) {
			if (hs.expanders[i].wrapper.style.zIndex && hs.expanders[i].wrapper.style.zIndex > topZ) {
				topZ = hs.expanders[i].wrapper.style.zIndex;
				
				topmostKey = i;
			}
		}
	}
	if (topmostKey == -1) hs.focusKey = -1;
	else hs.expanders[topmostKey].focus();
},

getParam : function (a, param) {
	a.getParams = a.onclick;
	var p = a.getParams ? a.getParams() : null;
	a.getParams = null;
	
	return (p && typeof p[param] != 'undefined') ? p[param] : 
		(typeof hs[param] != 'undefined' ? hs[param] : null);
},

getSrc : function (a) {
	var src = hs.getParam(a, 'src');
	if (src) return src;
	return a.href;
},

getNode : function (id) {
	var node = hs.$(id), clone = hs.clones[id], a = {};
	if (!node && !clone) return null;
	if (!clone) {
		clone = node.cloneNode(true);
		clone.id = '';
		hs.clones[id] = clone;
		return node;
	} else {
		return clone.cloneNode(true);
	}
},

discardElement : function(d) {
	hs.garbageBin.appendChild(d);
	hs.garbageBin.innerHTML = '';
},
dim : function(exp) {
	if (!hs.dimmer) {
		hs.dimmer = hs.createElement ('div', 
			{ 
				className: 'highslide-dimming',
				owner: '',
				onclick: function() {
					if (hs.fireEvent(hs, 'onDimmerClick'))
					 
						hs.close();
				}
			}, 
			{ position: 'absolute', left: 0 }, hs.container, true);
		hs.addEventListener(window, 'resize', hs.setDimmerSize);
	}
	hs.dimmer.style.display = '';
	hs.setDimmerSize();
	hs.dimmer.owner += '|'+ exp.key;
	if (hs.geckoMac && hs.dimmingGeckoFix) 
		hs.dimmer.style.background = 'url('+ hs.graphicsDir + 'geckodimmer.png)';		
	else
		hs.fade(hs.dimmer, 0, exp.dimmingOpacity, hs.dimmingDuration); 
},
undim : function(key) {
	if (!hs.dimmer) return;
	if (typeof key != 'undefined') hs.dimmer.owner = hs.dimmer.owner.replace('|'+ key, '');
	if (
		(typeof key != 'undefined' && hs.dimmer.owner != '')
		|| (hs.upcoming && hs.getParam(hs.upcoming, 'dimmingOpacity'))
	) return;
	if (hs.geckoMac && hs.dimmingGeckoFix) 
		hs.dimmer.style.background = 'none';
	else hs.fade(hs.dimmer, hs.dimmingOpacity, 0, hs.dimmingDuration);
	setTimeout( function() {
		hs.setStyles(hs.dimmer, { display: 'none', width: 0, height: 0 });
	}, hs.dimmingDuration);
},
setDimmerSize : function(exp) {
	if (!hs.dimmer) return;
	var page = hs.getPageSize();
	var h = (hs.ie && exp && exp.wrapper) ? 
		parseInt(exp.wrapper.style.top) + parseInt(exp.wrapper.style.height)+ (exp.outline ? exp.outline.offset : 0) : 0; 
	hs.setStyles(hs.dimmer, { 
		width: page.pageWidth +'px', 
		height: Math.max(page.pageHeight, h) +'px'
	});
},

previousOrNext : function (el, op) {
	hs.updateAnchors();
	var exp = hs.last = hs.getExpander(el);
	try {
		var adj = hs.upcoming =  exp.getAdjacentAnchor(op);
		adj.onclick(); 		
	} catch (e){
		hs.last = hs.upcoming = null;
	}
	try { exp.close(); } catch (e) {}
	return false;
},

previous : function (el) {
	return hs.previousOrNext(el, -1);
},

next : function (el) {
	return hs.previousOrNext(el, 1);	
},

keyHandler : function(e) {
	if (!e) e = window.event;
	if (!e.target) e.target = e.srcElement; // ie
	if (e.target.form) return true; // form element has focus
	if (!hs.fireEvent(hs, 'onKeyDown', e)) return true;
	
	var op = null;
	switch (e.keyCode) {
		case 32: // Space
			op = 2;
			break;
		case 34: // Page Down
		case 39: // Arrow right
		case 40: // Arrow down
			op = 1;
			break;
		case 8:  // Backspace
		case 33: // Page Up
		case 37: // Arrow left
		case 38: // Arrow up
			op = -1;
			break;
		case 27: // Escape
		case 13: // Enter
			op = 0;
	}
	if (op !== null) {if (op != 2)hs.removeEventListener(document, window.opera ? 'keypress' : 'keydown', hs.keyHandler);
		if (!hs.enableKeyListener) return true;
		
		if (e.preventDefault) e.preventDefault();
    	else e.returnValue = false;
    	
    	var exp = hs.getExpander();
    	if (exp) {
			if (op == 0) {
				exp.close();
			} else if (op == 2) {
				if (exp.slideshow) exp.slideshow.hitSpace();
			} else {
				if (exp.slideshow) exp.slideshow.pause();
				hs.previousOrNext(exp.key, op);
			}
			return false;
		}
	}
	return true;
},


registerOverlay : function (overlay) {
	hs.push(hs.overlays, overlay);
},


addSlideshow : function (options) {
	hs.push(hs.slideshows, options);
},

getWrapperKey : function (element) {
	var el, re = /^highslide-wrapper-([0-9]+)$/;
	// 1. look in open expanders
	el = element;
	while (el.parentNode)	{
		if (el.id && re.test(el.id)) return el.id.replace(re, "$1");
		el = el.parentNode;
	}
	// 2. look in thumbnail
	el = element;
	while (el.parentNode)	{
		if (el.tagName && hs.isHsAnchor(el)) {
			for (var key = 0; key < hs.expanders.length; key++) {
				var exp = hs.expanders[key];
				if (exp && exp.a == el) return key;
			}
		}
		el = el.parentNode;
	}
	return null; 
},

getExpander : function (el) {
	if (typeof el == 'undefined') return hs.expanders[hs.focusKey] || null;
	if (typeof el == 'number') return hs.expanders[el] || null;
	if (typeof el == 'string') el = hs.$(el);
	return hs.expanders[hs.getWrapperKey(el)] || null;
},

isHsAnchor : function (a) {
	return (a.onclick && a.onclick.toString().replace(/\s/g, ' ').match(/hs.(htmlE|e)xpand/));
},

reOrder : function () {
	for (var i = 0; i < hs.expanders.length; i++)
		if (hs.expanders[i] && hs.expanders[i].isExpanded) hs.focusTopmost();
},
fireEvent : function (obj, evt, args) {
	return obj && obj[evt] ? (obj[evt](obj, args) !== false) : true;
},

mouseClickHandler : function(e) 
{	
	if (!e) e = window.event;
	if (e.button > 1) return true;
	if (!e.target) e.target = e.srcElement;
	
	var el = e.target;
	while (el.parentNode
		&& !(/highslide-(image|move|html|resize)/.test(el.className)))
	{
		el = el.parentNode;
	}
	var exp = hs.getExpander(el);
	if (exp && (exp.isClosing || !exp.isExpanded)) return true;
		
	if (exp && e.type == 'mousedown') {
		if (e.target.form) return true;
		var match = el.className.match(/highslide-(image|move|resize)/);
		if (match) {
			hs.dragArgs = { exp: exp , type: match[1], left: exp.x.min, width: exp.x.span, top: exp.y.min, 
				height: exp.y.span, clickX: e.clientX, clickY: e.clientY };
			
			
			hs.addEventListener(document, 'mousemove', hs.dragHandler);
			if (e.preventDefault) e.preventDefault(); // FF
			
			if (/highslide-(image|html)-blur/.test(exp.content.className)) {
				exp.focus();
				hs.hasFocused = true;
			}
			return false;
		}
		else if (/highslide-html/.test(el.className) && hs.focusKey != exp.key) {
			exp.focus();
			exp.redoShowHide();
		}
	} else if (e.type == 'mouseup') {
		
		hs.removeEventListener(document, 'mousemove', hs.dragHandler);
		
		if (hs.dragArgs) {
			if (hs.dragArgs.type == 'image')
				hs.dragArgs.exp.content.style.cursor = hs.styleRestoreCursor;
			var hasDragged = hs.dragArgs.hasDragged;
			
			if (!hasDragged &&!hs.hasFocused && !/(move|resize)/.test(hs.dragArgs.type)) {
				if (hs.fireEvent(exp, 'onImageClick'))
				exp.close();
			} 
			else if (hasDragged || (!hasDragged && hs.hasHtmlexpanders)) {
				hs.dragArgs.exp.redoShowHide();
			}
			
			if (hs.dragArgs.exp.releaseMask) 
				hs.dragArgs.exp.releaseMask.style.display = 'none';
			
			if (hasDragged) hs.fireEvent(hs.dragArgs.exp, 'onDrop', hs.dragArgs);
			if (hasDragged) hs.setDimmerSize(exp);
			
			hs.hasFocused = false;
			hs.dragArgs = null;
		
		} else if (/highslide-image-blur/.test(el.className)) {
			el.style.cursor = hs.styleRestoreCursor;		
		}
	}
	return false;
},

dragHandler : function(e)
{
	if (!hs.dragArgs) return true;
	if (!e) e = window.event;
	var a = hs.dragArgs, exp = a.exp;
	if (exp.iframe) {		
		if (!exp.releaseMask) exp.releaseMask = hs.createElement('div', null, 
			{ position: 'absolute', width: exp.x.span+'px', height: exp.y.span+'px', 
				left: 0, top: 0, zIndex: 4,	background: (hs.ie ? 'white' : 'none'), 
				opacity: 0.01 }, 
			exp.wrapper, true);
		if (exp.releaseMask.style.display == 'none')
			exp.releaseMask.style.display = '';
	}
	
	a.dX = e.clientX - a.clickX;
	a.dY = e.clientY - a.clickY;	
	
	var distance = Math.sqrt(Math.pow(a.dX, 2) + Math.pow(a.dY, 2));
	if (!a.hasDragged) a.hasDragged = (a.type != 'image' && distance > 0)
		|| (distance > (hs.dragSensitivity || 5));
	
	if (a.hasDragged && e.clientX > 5 && e.clientY > 5) {
		if (!hs.fireEvent(exp, 'onDrag', a)) return false;
		
		if (a.type == 'resize') exp.resize(a);
		else exp.move(a);
	}
	return false;
},

wrapperMouseHandler : function (e) {
	try {
		if (!e) e = window.event;
		var over = /mouseover/i.test(e.type); 
		if (!e.target) e.target = e.srcElement; // ie
		if (hs.ie) e.relatedTarget = 
			over ? e.fromElement : e.toElement; // ie
		var exp = hs.getExpander(e.target);
		if (!exp.isExpanded) return;
		if (!exp || !e.relatedTarget || hs.getExpander(e.relatedTarget) == exp 
			|| hs.dragArgs) return;
		hs.fireEvent(exp, over ? 'onMouseOver' : 'onMouseOut', e);
		for (var i = 0; i < exp.overlays.length; i++) {
			var o = hs.$('hsId'+ exp.overlays[i]);
			if (o && o.hideOnMouseOut) {
				var from = over ? 0 : o.opacity,
					to = over ? o.opacity : 0;			
				hs.fade(o, from, to);
			}
		}	
	} catch (e) {}
},

addEventListener : function (el, event, func) {
	try {
		el.addEventListener(event, func, false);
	} catch (e) {
		try {
			el.detachEvent('on'+ event, func);
			el.attachEvent('on'+ event, func);
		} catch (e) {
			el['on'+ event] = func;
		}
	} 
},

removeEventListener : function (el, event, func) {
	try {
		el.removeEventListener(event, func, false);
	} catch (e) {
		try {
			el.detachEvent('on'+ event, func);
		} catch (e) {
			el['on'+ event] = null;
		}
	}
},

preloadFullImage : function (i) {
	if (hs.continuePreloading && hs.preloadTheseImages[i] && hs.preloadTheseImages[i] != 'undefined') {
		var img = document.createElement('img');
		img.onload = function() { 
			img = null;
			hs.preloadFullImage(i + 1);
		};
		img.src = hs.preloadTheseImages[i];
	}
},
preloadImages : function (number) {
	if (number && typeof number != 'object') hs.numberOfImagesToPreload = number;
	
	var arr = hs.getAnchors();
	for (var i = 0; i < arr.images.length && i < hs.numberOfImagesToPreload; i++) {
		hs.push(hs.preloadTheseImages, hs.getSrc(arr.images[i]));
	}
	
	// preload outlines
	if (hs.outlineType)	new hs.Outline(hs.outlineType, function () { hs.preloadFullImage(0)} );
	else
	
	hs.preloadFullImage(0);
	
	// preload cursor
	var cur = hs.createElement('img', { src: hs.graphicsDir + hs.restoreCursor });
},


init : function () {
	if (!hs.container) {
		hs.container = hs.createElement('div', 
			null, 
			{ position: 'absolute', left: 0, top: 0, width: '100%', zIndex: hs.zIndexCounter }, 
			document.body,
			true
		);
		hs.loading = hs.createElement('a', {
				className: 'highslide-loading',
				title: hs.lang.loadingTitle,
				innerHTML: hs.lang.loadingText,
				href: 'javascript:;'
			}, {
				position: 'absolute',
				top: '-9999px',
				opacity: hs.loadingOpacity,
				zIndex: 1
			}, hs.container
		);
		hs.garbageBin = hs.createElement('div', null, { display: 'none' }, hs.container);
		hs.clearing = hs.createElement('div', null, 
			{ clear: 'both', paddingTop: '1px' }, null, true);
		
		// http://www.robertpenner.com/easing/ 
		Math.linearTween = function (t, b, c, d) {
			return c*t/d + b;
		};
		Math.easeInQuad = function (t, b, c, d) {
			return c*(t/=d)*t + b;
		};
		Math.easeInOutQuad = function (t, b, c, d) {
			if ((t/=d/2) < 1) return c/2*t*t + b;
			return -c/2 * ((--t)*(t-2) - 1) + b;
		};
		for (var x in hs.langDefaults) {
			if (typeof hs[x] != 'undefined') hs.lang[x] = hs[x];
			else if (typeof hs.lang[x] == 'undefined' && typeof hs.langDefaults[x] != 'undefined') 
				hs.lang[x] = hs.langDefaults[x];
		}
		hs.ie6SSL = (hs.ie && hs.ieVersion() <= 6 && location.protocol == 'https:');
		hs.fireEvent(this, 'onActivate');
	}
},
domReady : function() {
	hs.isDomReady = true;
	if (hs.onDomReady) hs.onDomReady();
},

updateAnchors : function() {
	var els = document.getElementsByTagName('*'), all = [], images = [], htmls = [],groups = {}, re;
	for (var i = 0; i < els.length; i++) {
		re = hs.isHsAnchor(els[i]);
		if (re) {
			hs.push(all, els[i]);
			if (re[0] == 'hs.expand') hs.push(images, els[i]);
			else if (re[0] == 'hs.htmlExpand') hs.push(htmls, els[i]);
			var g = hs.getParam(els[i], 'slideshowGroup') || 'none';
			if (!groups[g]) groups[g] = [];
			hs.push(groups[g], els[i]);
		}
	}
	hs.anchors = { all: all, groups: groups, images: images, htmls: htmls };
	
	return hs.anchors;
},

getAnchors : function() {
	return hs.anchors || hs.updateAnchors();
},


fade : function (el, o, oFinal, dur, i, dir) {
	if (typeof i == 'undefined') { // new fader
		if (typeof dur != 'number') dur = 250;
		if (dur < 25) { // instant
			hs.setStyles( el, { opacity: oFinal	});
			return;
		}
		i = hs.faders.length;
		dir = oFinal > o ? 1 : -1;
		var step = (25 / (dur - dur % 25)) * Math.abs(o - oFinal);
	}
	o = parseFloat(o);
	var skip = (el.fade === 0 || el.fade === false || (el.fade == 2 && hs.ie));
	el.style.visibility = ((skip ? oFinal : o) <= 0) ? 'hidden' : 'visible';
	
	if (skip || o < 0 || (dir == 1 && o > oFinal)) return;
	
	if (el.fading && el.fading.i != i) { // reverse
		clearTimeout(hs.faders[el.fading.i]);
		o = el.fading.o;
	}
	el.fading = {i: i, o: o, step: (step || el.fading.step)};
	el.style.visibility = (o <= 0) ? 'hidden' : 'visible';
	hs.setStyles(el, { opacity: o });
	hs.faders[i] = setTimeout(function() {
		hs.fade(el, o + el.fading.step * dir, oFinal, null, i, dir);
	}, 25);
},

close : function(el) {
	var exp = hs.getExpander(el);
	if (exp) exp.close();
	return false;
}
}; // end hs object


//-----------------------------------------------------------------------------
hs.Outline =  function (outlineType, onLoad) {
	this.onLoad = onLoad;
	this.outlineType = outlineType;
	var v = hs.ieVersion(), tr;
	
	this.hasAlphaImageLoader = hs.ie && v >= 5.5 && v < 7;
	if (!outlineType) {
		if (onLoad) onLoad();
		return;
	}
	
	hs.init();
	this.table = hs.createElement(
		'table', { cellSpacing: 0 },
		{
			visibility: 'hidden',
			position: 'absolute',
			borderCollapse: 'collapse'
		},
		hs.container,
		true
	);
	var tbody = hs.createElement('tbody', null, null, this.table, 1);
	
	this.td = [];
	for (var i = 0; i <= 8; i++) {
		if (i % 3 == 0) tr = hs.createElement('tr', null, { height: 'auto' }, tbody, true);
		this.td[i] = hs.createElement('td', null, null, tr, true);
		var style = i != 4 ? { lineHeight: 0, fontSize: 0} : { position : 'relative' };
		hs.setStyles(this.td[i], style);
	}
	this.td[4].className = outlineType;
	
	this.preloadGraphic(); 
};

hs.Outline.prototype = {
preloadGraphic : function () {
	var src = hs.graphicsDir + (hs.outlinesDir || "outlines/")+ this.outlineType +".png";
				
	var appendTo = hs.safari ? hs.container : null;
	this.graphic = hs.createElement('img', null, { position: 'absolute', left: '-9999px', 
		top: '-9999px' }, appendTo, true); // for onload trigger
	
	var pThis = this;
	this.graphic.onload = function() { pThis.onGraphicLoad(); };
	
	this.graphic.src = src;
},

onGraphicLoad : function () {
	var o = this.offset = this.graphic.width / 4,
		pos = [[0,0],[0,-4],[-2,0],[0,-8],0,[-2,-8],[0,-2],[0,-6],[-2,-2]],
		dim = { height: (2*o) +'px', width: (2*o) +'px' };
	hs.discardElement(this.graphic);
	for (var i = 0; i <= 8; i++) {
		if (pos[i]) {
			if (this.hasAlphaImageLoader) {
				var w = (i == 1 || i == 7) ? '100%' : this.graphic.width +'px';
				var div = hs.createElement('div', null, { width: '100%', height: '100%', position: 'relative', overflow: 'hidden'}, this.td[i], true);
				hs.createElement ('div', null, { 
						filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale, src='"+ this.graphic.src + "')", 
						position: 'absolute',
						width: w, 
						height: this.graphic.height +'px',
						left: (pos[i][0]*o)+'px',
						top: (pos[i][1]*o)+'px'
					}, 
				div,
				true);
			} else {
				hs.setStyles(this.td[i], { background: 'url('+ this.graphic.src +') '+ (pos[i][0]*o)+'px '+(pos[i][1]*o)+'px'});
			}
			
			if (window.opera && (i == 3 || i ==5)) 
				hs.createElement('div', null, dim, this.td[i], true);
			
			hs.setStyles (this.td[i], dim);
		}
	}
	if (hs.pendingOutlines[this.outlineType]) hs.pendingOutlines[this.outlineType].destroy();
	hs.pendingOutlines[this.outlineType] = this;
	if (this.onLoad) this.onLoad();
},
	
setPosition : function (exp, pos, vis) {
	pos = pos || {
		x: exp.x.min,
		y: exp.y.min,
		w: exp.x.span + exp.x.p1 + exp.x.p2,
		h: exp.y.span + exp.y.p1 + exp.y.p2
	};
	if (vis) this.table.style.visibility = (pos.h >= 4 * this.offset) 
		? 'visible' : 'hidden';
	hs.setStyles(this.table, {
		left: (pos.x - this.offset) +'px',
		top: (pos.y - this.offset) +'px',
		width: (pos.w + 2 * (exp.x.cb + this.offset)) +'px'
	});
	
	pos.w += 2 * (exp.x.cb - this.offset);
	pos.h += + 2 * (exp.y.cb - this.offset);
	hs.setStyles (this.td[4], {
		width: pos.w >= 0 ? pos.w +'px' : 0,
		height: pos.h >= 0 ? pos.h +'px' : 0
	});
	if (this.hasAlphaImageLoader) this.td[3].style.height 
		= this.td[5].style.height = this.td[4].style.height;
},
	
destroy : function(hide) {
	if (hide) this.table.style.visibility = 'hidden';
	else hs.discardElement(this.table);
}
};


//-----------------------------------------------------------------------------
// The expander object
hs.Expander = function(a, params, custom, contentType) {
	if (document.readyState && hs.ie && !hs.isDomReady) {
		hs.onDomReady = function() {
			new hs.Expander(a, params, custom, contentType);
		};
		return;
	} 
	this.a = a;
	this.custom = custom;
	this.contentType = contentType || 'image';
	this.isHtml = (contentType == 'html');
	this.isImage = !this.isHtml;
	
	hs.continuePreloading = false;
	this.overlays = [];
	this.last = hs.last;
	hs.last = null;
	hs.init();
	var key = this.key = hs.expanders.length;
	// override inline parameters
	for (var i = 0; i < hs.overrides.length; i++) {
		var name = hs.overrides[i];
		this[name] = params && typeof params[name] != 'undefined' ?
			params[name] : hs[name];
	}
	if (!this.src) this.src = a.href;
	// get thumb
	var el = (params && params.thumbnailId) ? hs.$(params.thumbnailId) : a;
	el = this.thumb = el.getElementsByTagName('img')[0] || el;
	this.thumbsUserSetId = el.id || a.id;
	if (!hs.fireEvent(this, 'onInit')) return true;
	
	// check if already open
	for (var i = 0; i < hs.expanders.length; i++) {
		if (hs.expanders[i] && hs.expanders[i].a == a 
			&& !(this.last && this.transitions[1] == 'crossfade')) {
			hs.expanders[i].focus();
			return false;
		}
	}	
	// cancel other
	for (var i = 0; i < hs.expanders.length; i++) {
		if (hs.expanders[i] && hs.expanders[i].thumb != el && !hs.expanders[i].onLoadStarted) {
			hs.expanders[i].cancelLoading();
		}
	}
	hs.expanders[this.key] = this;
	if (!hs.allowMultipleInstances) {
		if (hs.expanders[key-1]) hs.expanders[key-1].close();
		if (typeof hs.focusKey != 'undefined' && hs.expanders[hs.focusKey])
			hs.expanders[hs.focusKey].close();
	}
	
	var pos = hs.getPosition(el);
	
	// initiate metrics
	var x = this.x = {};
	x.t = el.width ? parseInt(el.width) : el.offsetWidth;
	x.tpos = pos.x;
	x.tb = (el.offsetWidth - x.t) / 2;
	var y = this.y = {};
	y.t = el.height ? parseInt(el.height) : el.offsetHeight;
	y.tpos = pos.y;
	y.tb = (el.offsetHeight - y.t) / 2;
	x.p1 = x.p2 = y.p1 = y.p2 = 0;
	if (/area/i.test(el.tagName)) this.getImageMapAreaCorrection(el);
	
	// instanciate the wrapper
	this.wrapper = hs.createElement(
		'div', {
			id: 'highslide-wrapper-'+ this.key,
			className: this.wrapperClassName
		}, {
			visibility: 'hidden',
			position: 'absolute',
			zIndex: hs.zIndexCounter++
		}, null, true );
	
	this.wrapper.onmouseover = this.wrapper.onmouseout = hs.wrapperMouseHandler;
	if (this.contentType == 'image' && this.outlineWhileAnimating == 2)
		this.outlineWhileAnimating = 0;
	
	// get the outline
	if (!this.outlineType 
		|| (this.last && this.isImage && this.transitions[1] == 'crossfade')) {
	
		this[this.contentType +'Create']();
	
	} else if (hs.pendingOutlines[this.outlineType]) {
		this.connectOutline();
		this[this.contentType +'Create']();
	
	} else {
		this.showLoading();
		var exp = this;
		new hs.Outline(this.outlineType, 
			function () { 
				exp.connectOutline();
				exp[exp.contentType +'Create']();
			} 
		);
	}
	return true;
};

hs.Expander.prototype = {

connectOutline : function(x, y) {
	var o = this.outline = hs.pendingOutlines[this.outlineType];
	o.table.style.zIndex = this.wrapper.style.zIndex;
	hs.pendingOutlines[this.outlineType] = null;
},

showLoading : function() {
	if (this.onLoadStarted || this.loading) return;
	
	this.loading = hs.loading;
	var exp = this;
	this.loading.onclick = function() {
		exp.cancelLoading();
	};
	
	
	if (!hs.fireEvent(this, 'onShowLoading')) return;
	var exp = this, 
		l = (this.x.tpos + this.x.tb 
			+ (this.x.t - this.loading.offsetWidth) / 2) +'px',
		t = (this.y.tpos 
			+ (this.y.t - this.loading.offsetHeight) / 2) +'px';
	if (!tgt && this.last && this.transitions[1] == 'crossfade') 
		var tgt = this.last; 
	if (tgt) {
		l = (tgt.x.min + tgt.x.cb + tgt.x.p1
			+ (tgt.x.span - this.loading.offsetWidth) / 2) +'px';
		t = (tgt.y.min + tgt.y.cb + tgt.y.p1
			+ (tgt.y.span - this.loading.offsetHeight) / 2) +'px';
		this.loading.style.zIndex = hs.zIndexCounter++;
	}
	setTimeout(function () { 
		if (exp.loading) hs.setStyles(exp.loading, { left: l, top: t })}
	, 100);
},

imageCreate : function() {
	var exp = this;
	
	var img = document.createElement('img');
    this.content = img;
    img.onload = function () {
    	if (hs.expanders[exp.key]) exp.contentLoaded(); 
	};
    if (hs.blockRightClick) img.oncontextmenu = function() { return false; };
    img.className = 'highslide-image';
    hs.setStyles(img, {
    	visibility: 'hidden',
    	display: 'block',
    	position: 'absolute',
		maxWidth: '9999px',
		zIndex: 3
	});
    img.title = hs.lang.restoreTitle;
    if (hs.safari) hs.container.appendChild(img);
    if (hs.ie && hs.flushImgSize) img.src = null;
	img.src = this.src;
	
	this.showLoading();
},

htmlCreate : function () {
	if (!hs.fireEvent(this, 'onBeforeGetContent')) return;
	
	this.content = hs.getCacheBinding(this.a);
	if (!this.content) 
		this.content = hs.getNode(this.contentId);
	if (!this.content) 
		this.content = hs.getSelfRendered();
	this.getInline(['maincontent']);
	if (this.maincontent) {
		var body = hs.getElementByClass(this.content, 'div', 'highslide-body');
		if (body) body.appendChild(this.maincontent);
		this.maincontent.style.display = 'block';
	}
	hs.fireEvent(this, 'onAfterGetContent');
	
	this.innerContent = this.content;
	
	if (/(swf|iframe)/.test(this.objectType)) this.setObjContainerSize(this.innerContent);
	
	// the content tree
	hs.container.appendChild(this.wrapper);
	hs.setStyles( this.wrapper, { 
		position: 'static',
		padding: '0 '+ hs.marginRight +'px 0 '+ hs.marginLeft +'px'
	});
	this.content = hs.createElement(
    	'div', {
    		className: 'highslide-html' 
    	}, {
			position: 'relative',
			zIndex: 3,
			overflow: 'hidden'
		},
		this.wrapper
	);
	this.mediumContent = hs.createElement('div', null, null, this.content, 1);
	this.mediumContent.appendChild(this.innerContent);
	
	hs.setStyles (this.innerContent, { position: 'relative', display: 'block' });
	if (this.width) this.innerContent.style.width = this.width+'px';
	if (this.height) this.innerContent.style.height = this.height+'px';
	if (this.innerContent.offsetWidth < this.minWidth)
		this.innerContent.style.width = this.minWidth +'px';
	
    
	if (this.objectType == 'ajax' && !hs.getCacheBinding(this.a)) {
		this.showLoading();
    	var ajax = new hs.Ajax(this.a, this.innerContent);
    	var exp = this;
    	ajax.onLoad = function () {	if (hs.expanders[exp.key]) exp.contentLoaded(); };
    	ajax.onError = function () { location.href = exp.src; };
    	ajax.run();
	}
    else
    
    if (this.objectType == 'iframe' && this.objectLoadTime == 'before') {
		this.writeExtendedContent();
	}
    else
    	this.contentLoaded();
},

contentLoaded : function() {
	try {	
		if (!this.content) return;
		this.content.onload = null;
		if (this.onLoadStarted) return;
		else this.onLoadStarted = true;
		
		var x = this.x, y = this.y;
		
		if (this.loading) {
			hs.setStyles(this.loading, { top: '-9999px' });
			this.loading = null;
			hs.fireEvent(this, 'onHideLoading');
		}
		this.marginBottom = hs.marginBottom;
		if (this.isImage) {	
			x.full = this.content.width;
			y.full = this.content.height;
			
			hs.setStyles(this.content, {
				width: this.x.t +'px',
				height: this.y.t +'px'
			});
		} else if (this.htmlGetSize) this.htmlGetSize();
		
		this.wrapper.appendChild(this.content);
		hs.setStyles (this.wrapper, {
			left: this.x.tpos +'px',
			top: this.y.tpos +'px'
		});
		hs.container.appendChild(this.wrapper);
		
		// correct for borders
		x.cb = (this.content.offsetWidth - this.x.t) / 2;
		y.cb = (this.content.offsetHeight - this.y.t) / 2;
		var modMarginRight = hs.marginRight + 2 * x.cb;
		this.marginBottom += 2 * y.cb;
		
		
		this.initSlideshow();
		this.getOverlays();
		
		var ratio = x.full / y.full;
		var minWidth = this.allowSizeReduction 
			? this.minWidth : x.full;
		var minHeight = this.allowSizeReduction 
			? this.minHeight : y.full;
		
		var justify = { x: 'auto', y: 'auto' };
		
		if (this.align == 'center') {
			justify.x = 'center';
			justify.y = 'center';
		} else {
			if (this.anchor.match(/^top/)) justify.y = null;
			if (this.anchor.match(/right$/)) justify.x = 'max';
			if (this.anchor.match(/^bottom/)) justify.y = 'max';
			if (this.anchor.match(/left$/)) justify.x = null;
		}
		
		var page = hs.getPageSize();
		// justify
		x.min = x.tpos - x.cb + x.tb;
		x.span = Math.min(x.full, this.maxWidth || x.full);
		x.minSpan = Math.min(x.full, minWidth);
		x.justify = justify.x;
		x.target = this.targetX;
		x.marginMin = hs.marginLeft; 
		x.marginMax = modMarginRight;
		x.scroll = page.scrollLeft;
		x.clientSpan = page.width;
		this.justify(x);
		
		y.min = y.tpos - y.cb + y.tb;
		y.span = Math.min(y.full, this.maxHeight || y.full);
		y.minSpan = Math.min(y.full, minHeight);
		y.justify = justify.y;
		y.target = this.targetY;
		y.marginMin = hs.marginTop; 
		y.marginMax = this.marginBottom; 
		y.scroll = page.scrollTop;
		y.clientSpan = page.height;
		this.justify(y);
		if (this.isHtml) this.htmlSizeOperations();
		if (this.overlayBox) this.sizeOverlayBox(0, 1);
		
		
		if (this.allowSizeReduction) {
			if (this.isImage)
				this.correctRatio(ratio);
			else this.fitOverlayBox();
			var ss = this.slideshow;
			
			if (ss && this.last && ss.fixedControls && ss.useControls) {
				var pos = ss.overlayOptions.position || '';
				for (var dim in hs.oPos) for (var i = 0; i < 5; i++) {
					if (pos.match(hs.oPos[dim][i]))
						this[dim].min = this.last[dim].min 
							+ (this.last[dim].p1 - this[dim].p1)
							+ (this.last[dim].span - this[dim].span) * [0, 0, .5, 1, 1][i]  
				}
			}
			
			if (this.isImage && this.x.full > this.x.span) {
				this.createFullExpand();
				if (this.overlays.length == 1) this.sizeOverlayBox();	
			}
		}
		
		this.show();
		
	} catch (e) {
		window.location.href = this.src;
	}
},


setObjContainerSize : function(parent, auto) {
	var c = hs.getElementByClass(parent, 'DIV', 'highslide-body');
	
	if (/(iframe|swf)/.test(this.objectType)) {
		if (this.objectWidth) c.style.width = this.objectWidth +'px';
		if (this.objectHeight) c.style.height = this.objectHeight +'px';
	}
},

writeExtendedContent : function () {
	if (this.hasExtendedContent) return;
	var exp = this;
	this.body = hs.getElementByClass(this.innerContent, 'DIV', 'highslide-body');
	if (this.objectType == 'iframe') {
		this.showLoading();
		var ruler = hs.clearing.cloneNode(1);
		this.body.appendChild(ruler);
		this.newWidth = this.innerContent.offsetWidth;
		if (!this.objectWidth) this.objectWidth = ruler.offsetWidth;
		var hDiff = this.innerContent.offsetHeight - this.body.offsetHeight,
			h = this.objectHeight || (hs.getPageSize()).height - hDiff - hs.marginTop - hs.marginBottom,
			onload = this.objectLoadTime == 'before' ? 
				' onload="if (hs.expanders['+ this.key +']) hs.expanders['+ this.key +'].contentLoaded()" ' : '';
		
		this.body.innerHTML += '<iframe name="hs'+ (new Date()).getTime() +'" frameborder="0" key="'+ this.key +'" '
			+' allowtransparency="true" style="width:'+ this.objectWidth +'px; height:'+ h +'px" '
			+ onload +' src="'+ this.src +'"></iframe>';
		this.ruler = this.body.getElementsByTagName('div')[0];
		this.iframe = this.body.getElementsByTagName('iframe')[0];
		
		if (this.objectLoadTime == 'after') this.correctIframeSize();
		
	}
	if (this.objectType == 'swf') {
		this.body.id = this.body.id || 'hs-flash-id-' + this.key;
		var a = this.swfOptions;
		if (typeof a.params.wmode == 'undefined') a.params.wmode = 'transparent';
		if (swfobject) swfobject.embedSWF(this.src, this.body.id, this.objectWidth, this.objectHeight, 
			a.version || '7', a.expressInstallSwfurl, a.flashvars, a.params, a.attributes);	
	}
	this.hasExtendedContent = true;
},
htmlGetSize : function() {
	if (this.iframe && !this.objectHeight) { // loadtime before
		var h;
		try {
			var doc = this.iframe.contentDocument || this.iframe.contentWindow.document;
			var clearing = doc.createElement('div');
			clearing.style.clear = 'both';
			doc.body.appendChild(clearing);
			h = clearing.offsetTop;
			if (hs.ie) h += parseInt(doc.body.currentStyle.marginTop) 
				+ parseInt(doc.body.currentStyle.marginBottom) - 1;

		} catch (e) { // other domain
			h = 300;
		}
		this.iframe.style.height = this.body.style.height = h +'px';
	}
	this.innerContent.appendChild(hs.clearing);
	if (!this.x.full) this.x.full = this.innerContent.offsetWidth;
    this.y.full = this.innerContent.offsetHeight;
    this.innerContent.removeChild(hs.clearing);
    if (hs.ie && this.newHeight > parseInt(this.innerContent.currentStyle.height)) { // ie css bug
		this.newHeight = parseInt(this.innerContent.currentStyle.height);
	}
	hs.setStyles( this.wrapper, { position: 'absolute',	padding: '0'});
	hs.setStyles( this.content, { width: this.x.t +'px',	height: this.y.t +'px'});
},

correctIframeSize : function () {
	var wDiff = this.innerContent.offsetWidth - this.ruler.offsetWidth;
	if (wDiff < 0) wDiff = 0;
	
	var hDiff = this.innerContent.offsetHeight - this.body.offsetHeight;
	
    hs.setStyles(this.iframe, { width: (this.x.span - wDiff) +'px', 
		height: (this.y.span - hDiff) +'px' });
    hs.setStyles(this.body, { width: this.iframe.style.width, 
    	height: this.iframe.style.height });
    	
    this.scrollingContent = this.iframe;
    this.scrollerDiv = this.scrollingContent;
},
htmlSizeOperations : function () {
	
	this.setObjContainerSize(this.innerContent);
	
	
	if (this.objectType == 'swf' && this.objectLoadTime == 'before') this.writeExtendedContent();	
	
    // handle minimum size
    if (this.x.span < this.x.full && !this.allowWidthReduction) this.x.span = this.x.full;
    if (this.y.span < this.y.full && !this.allowHeightReduction) this.y.span = this.y.full;
    this.scrollerDiv = this.innerContent;
    hs.setStyles(this.mediumContent, { 
		width: this.x.span +'px',
		position: 'relative',
		left: (this.x.min - this.x.tpos) +'px',
		top: (this.y.min - this.y.tpos) +'px'
	});
    hs.setStyles(this.innerContent, { 
    	border: 'none', 
    	width: 'auto', 
    	height: 'auto'
    });
	var node = hs.getElementByClass(this.innerContent, 'DIV', 'highslide-body');
    if (node && !/(iframe|swf)/.test(this.objectType)) {
    	var cNode = node; // wrap to get true size
    	node = hs.createElement(cNode.nodeName, null, {overflow: 'hidden'}, null, true);
    	cNode.parentNode.insertBefore(node, cNode);
    	node.appendChild(hs.clearing); // IE6
    	node.appendChild(cNode);
    	
    	var wDiff = this.innerContent.offsetWidth - node.offsetWidth;
    	var hDiff = this.innerContent.offsetHeight - node.offsetHeight;
    	node.removeChild(hs.clearing);
    	
    	var kdeBugCorr = hs.safari || navigator.vendor == 'KDE' ? 1 : 0; // KDE repainting bug
    	hs.setStyles(node, { 
    			width: (this.x.span - wDiff - kdeBugCorr) +'px', 
    			height: (this.y.span - hDiff) +'px',
    			overflow: 'auto', 
    			position: 'relative' 
    		} 
    	);
		if (kdeBugCorr && cNode.offsetHeight > node.offsetHeight)	{
    		node.style.width = (parseInt(node.style.width) + kdeBugCorr) + 'px';
		}
    	this.scrollingContent = node;
    	this.scrollerDiv = this.scrollingContent;
	}
    if (this.iframe && this.objectLoadTime == 'before') this.correctIframeSize();
    if (!this.scrollingContent && this.y.span < this.mediumContent.offsetHeight) this.scrollerDiv = this.content;
	
	if (this.scrollerDiv == this.content && !this.allowWidthReduction && !/(iframe|swf)/.test(this.objectType)) {
		this.x.span += 17; // room for scrollbars
	}
	if (this.scrollerDiv && this.scrollerDiv.offsetHeight > this.scrollerDiv.parentNode.offsetHeight) {
		setTimeout("try { hs.expanders["+ this.key +"].scrollerDiv.style.overflow = 'auto'; } catch(e) {}",
			 hs.expandDuration);
	}
},

getImageMapAreaCorrection : function(area) {
	var c = area.coords.split(',');
	for (var i = 0; i < c.length; i++) c[i] = parseInt(c[i]);
	
	if (area.shape.toLowerCase() == 'circle') {
		this.x.tpos += c[0] - c[2];
		this.y.tpos += c[1] - c[2];
		this.x.t = this.y.t = 2 * c[2];
	} else {
		var maxX, maxY, minX = maxX = c[0], minY = maxY = c[1];
		for (var i = 0; i < c.length; i++) {
			if (i % 2 == 0) {
				minX = Math.min(minX, c[i]);
				maxX = Math.max(maxX, c[i]);
			} else {
				minY = Math.min(minY, c[i]);
				maxY = Math.max(maxY, c[i]);
			}
		}
		this.x.tpos += minX;
		this.x.t = maxX - minX;
		this.y.tpos += minY;
		this.y.t = maxY - minY;
	}
},
justify : function (p, moveOnly) {
	var tgt, dim = p == this.x ? 'x' : 'y';
	
	
	if (p.target && p.target.match(/ /)) {
		tgt = p.target.split(' ');
		p.target = tgt[0];
	}
	if (p.target && hs.$(p.target)) {
		p.min = hs.getPosition(hs.$(p.target))[dim];
		if (tgt && tgt[1] && tgt[1].match(/^[-]?[0-9]+px$/)) p.min += parseInt(tgt[1]);
		
	} else if (p.justify == 'auto' || p.justify == 'center') {
	
		var hasMovedMin = false;
		
		var allowReduce = true;
		if (p.justify == 'center') p.min = Math.round(p.scroll + (p.clientSpan - p.span - p.marginMax - p.p1 - p.p2) / 2);
		else
			p.min = Math.round(p.min - ((p.span + p.p1 + p.p2 - p.t) / 2));
		if (p.min < p.scroll + p.marginMin) {
			p.min = p.scroll + p.marginMin;
			hasMovedMin = true;		
		}
		if (!moveOnly && p.span < p.minSpan) {
			p.span = p.minSpan;
			allowReduce = false;
		}
		if (p.min + p.span + p.p1 + p.p2 > p.scroll + p.clientSpan - p.marginMax) {
			if (!moveOnly && hasMovedMin && allowReduce) {
				p.span = p.clientSpan - p.marginMin - p.marginMax; // can't expand more
			} else if (p.span + p.p1 + p.p2 < p.clientSpan - p.marginMin - p.marginMax) { // move newTop up
				p.min = p.scroll + p.clientSpan - p.span - p.marginMin - p.marginMax - p.p1 - p.p2;
			} else { // image larger than viewport
				p.min = p.scroll + p.marginMin;
				if (!moveOnly && allowReduce) p.span = p.clientSpan - p.marginMin - p.marginMax;
			}
			
		}
		
		if (!moveOnly && p.span < p.minSpan) {
			p.span = p.minSpan;
			allowReduce = false;
		}
		
	
	} else if (p.justify == 'max') {
		p.min = Math.floor(p.min - p.span + p.t);
	}
	
		
	if (p.min < p.marginMin) {
		var tmpMin = p.min;
		p.min = p.marginMin; 
		
		if (allowReduce && !moveOnly) p.span = p.span - (p.min - tmpMin);
		
	}
},

correctRatio : function(ratio) {
		
	var x = this.x, y = this.y;
	var changed = false;
	if (x.span / y.span > ratio) { // width greater
		x.span = y.span * ratio;
		if (x.span < x.minSpan) { // below minWidth
			x.span = x.minSpan;
			y.span = x.span / ratio;
		}
		changed = true;
	
	} else if (x.span / y.span < ratio) { // height greater
		var tmpHeight = y.span;
		y.span = x.span / ratio;
		changed = true;
	}
	this.fitOverlayBox(ratio);
	
	if (changed) {
		x.min = x.tpos - x.cb + x.tb;
		x.minSpan = x.span;
		this.justify(x, true);
	
		y.min = y.tpos - y.cb + y.tb;
		y.minSpan = y.span;
		this.justify(y, true);
		if (this.overlayBox) this.sizeOverlayBox();
	}
},
fitOverlayBox : function(ratio) {
	var x = this.x, y = this.y;
	if (this.overlayBox) {
		while (y.span > this.minHeight && x.span > this.minWidth 
				&& y.marginMin + y.p1 + y.span + y.p2 + y.marginMax > y.clientSpan) {
			y.span -= 10;
			if (ratio) x.span = y.span * ratio;
			this.sizeOverlayBox(0, 1);
		}
	}
},

reflow : function () {
	hs.setStyles(this.scrollerDiv, { height: 'auto', width: 'auto' });
	this.x.span = this.innerContent.offsetWidth;
	this.y.span = this.innerContent.offsetHeight;
	var size = { width: this.x.span +'px', height: this.y.span +'px' };
	hs.setStyles(this.content, size);
	if (this.outline) this.outline.setPosition(this);
},

show : function () {
	
	// Selectbox bug
	var imgPos = {x: this.x.min - 20, y: this.y.min - 20, w: this.x.span + 40, 
		h: this.y.span + 40 };
	hs.hideSelects = (hs.ie && hs.ieVersion() < 7);
	if (hs.hideSelects) this.showHideElements('SELECT', 'hidden', imgPos);
	// Iframes bug
	hs.hideIframes = ((window.opera && navigator.appVersion < 9) || navigator.vendor == 'KDE' 
		|| (hs.ie && hs.ieVersion() < 5.5));
	if (hs.hideIframes) this.showHideElements('IFRAME', 'hidden', imgPos);
	// Scrollbars bug
	if (hs.geckoMac) this.showHideElements('*', 'hidden', imgPos); 
	
	
	hs.fireEvent(this, 'onBeforeExpand');
		
	// Apply size change
	this.changeSize(
		1,
		{ 
			xmin: this.x.tpos + this.x.tb - this.x.cb,
			ymin: this.y.tpos + this.y.tb - this.y.cb,
			xspan: this.x.t,
			yspan: this.y.t,
			xp1: 0,
			xp2: 0,
			yp1: 0,
			yp2: 0,
			o: hs.outlineStartOffset
		},
		{
			xmin: this.x.min,
			ymin: this.y.min,
			xspan: this.x.span,
			yspan: this.y.span,
			xp1: this.x.p1,
			yp1: this.y.p1,
			xp2: this.x.p2,
			yp2: this.y.p2,
			o: this.outline ? this.outline.offset : 0
		},
		hs.expandDuration,
		hs.expandSteps
	);
},

changeSize : function(up, from, to, dur, steps) {
	// transition
	var trans = this.transitions,
	other = up ? (this.last ? this.last.a : null) : hs.upcoming,
	t = (trans[1] && other 
			&& hs.getParam(other, 'transitions')[1] == trans[1]) ?
		trans[1] : trans[0];
	if (up && this.isHtml && trans[1] == 'crossfade') t = trans[1] = 'fade';
	
	if (this[t] && t != 'expand') {
		this[t](up, from, to); 
		return;
	}
	
	if (up) hs.setStyles(this.wrapper, { opacity: 1 });
	
	if (this.outline && !this.outlineWhileAnimating) {
		if (up) this.outline.setPosition(this);
		else this.outline.destroy(
				(this.isHtml && this.preserveContent));
	}
	
	
	if (!up && this.overlayBox) {
		if (this.slideshow) {
			var c = this.slideshow.controls;
			if (hs.getExpander(c) == this) c.parentNode.removeChild(c);
		}
		if (this.isHtml && this.preserveContent) {
			this.overlayBox.style.top = '-9999px';
			hs.container.appendChild(this.overlayBox);
		} else
		hs.discardElement(this.overlayBox);
	}
	if (this.fadeInOut) {
		from.op = up ? 0 : 1;
		to.op = up;
	}
	var t,
	exp = this,
	easing = Math[this.easing] || Math.easeInQuad;
	if (!up) easing = Math[this.easingClose] || easing;
	
	for (var i = 1; i <= steps; i++) {
		t = Math.round(i * (dur / steps));
		
		(function(){
			var pI = i, size = {};
			
			for (var x in from) {
				size[x] = easing(t, from[x], to[x] - from[x], dur);
				if (!/^op$/.test(x)) size[x] = Math.round(size[x]);
			}
			setTimeout ( function() {
				if (up && pI == 1) {
					exp.content.style.visibility = 'visible';
					exp.a.className += ' highslide-active-anchor';
				}
				exp.setSize(size);
			}, t);				
		})();
	}
	
	if (up) { 
			
		setTimeout(function() {
			if (exp.outline) exp.outline.table.style.visibility = "visible";
		}, t);
		setTimeout(function() {
			exp.afterExpand();
		}, t + 50);
	}
	else setTimeout(function() { exp.afterClose(); }, t);
},

setSize : function (to) {
	try {		
		if (to.op) hs.setStyles(this.wrapper, { opacity: to.op });
		hs.setStyles ( this.wrapper, {
			width : (to.xspan +to.xp1 + to.xp2 +
				2 * this.x.cb) +'px',
			height : (to.yspan +to.yp1 + to.yp2 +
				2 * this.y.cb) +'px',
			left: to.xmin +'px',
			top: to.ymin +'px'
		});
		hs.setStyles(this.content, {
			top: to.yp1 +'px',
			left: to.xp1 +'px',
			width: to.xspan +'px',
			height: to.yspan +'px'
		});
		if (this.isHtml) {
			hs.setStyles(this.mediumContent, { 
				left: (this.x.min - to.xmin 
					+ this.x.p1 - to.xp1) +'px',
				top: (this.y.min - to.ymin 
					+ this.y.p1 - to.yp1) +'px' 
			});			
			this.innerContent.style.visibility = 'visible';
		}
		
		if (this.outline && this.outlineWhileAnimating) {
			var o = this.outline.offset - to.o;
			this.outline.setPosition(this, {
				x: to.xmin + o, 
				y: to.ymin + o, 
				w: to.xspan + to.xp1 + to.xp2 + - 2 * o, 
				h: to.yspan + to.yp1 + to.yp2 + - 2 * o
			}, 1);
		}
			
		this.wrapper.style.visibility = 'visible';
		
	} catch (e) {
		window.location.href = this.src;	
	}
},

fade : function(up, from, to) {
	this.outlineWhileAnimating = false;
	var exp = this,	t = up ? 250 : 0;
	
	if (up) {
		hs.setStyles(this.wrapper, { opacity: 0 });
		this.setSize(to);
		this.content.style.visibility = 'visible';

		hs.fade (this.wrapper, 0, 1);
	}
	
	if (this.outline) {
		this.outline.table.style.zIndex = this.wrapper.style.zIndex;
		var dir = up || -1;
		for (var i = from.o; dir * i <= dir * to.o; i += dir, t += 25) {
			(function() {
				var o = up ? to.o - i : from.o - i;
				setTimeout(function() {
					exp.outline.setPosition(exp, {
						x: (exp.x.min + o), 
						y: (exp.y.min + o),
						w: (exp.x.span - 2 * o + exp.x.p1 + exp.x.p2), 
						h: (exp.y.span - 2 * o + exp.y.p1 + exp.y.p2)
					}, 1);
				}, t);
			})();
		}
	}
	
	
	if (up) setTimeout(function() { exp.afterExpand(); }, t+50);
	else {
		setTimeout( function() {
			if (exp.outline) exp.outline.destroy(exp.preserveContent);
			hs.fade (exp.wrapper, 1, 0);
			setTimeout( function() {
				exp.afterClose();
			}, 250);
		}, t);		
	}
},

crossfade : function (up, from, to) {
	if (!up) return;
	var exp = this, steps = parseInt(hs.transitionDuration / 25), last = this.last;
	hs.removeEventListener(document, 'mousemove', hs.dragHandler);
	
	hs.setStyles(this.content, { 
		width: to.xspan +'px', 
		height: to.yspan +'px'		
	});
	this.outline = this.last.outline;
	this.last.outline = null;
	this.fadeBox = hs.createElement('div',
		{	className: 'highslide-image' },
		{ 
			position: 'absolute', 
			zIndex: 4,
			overflow: 'hidden',
			display: 'none'
		}
	);
	var names = { oldImg: last, newImg: this };
	for (var x in names) { 	
		this[x] = names[x].content.cloneNode(1);
		hs.setStyles(this[x], {
			position: 'absolute',
			border: 0,
			visibility: 'visible'
		});
		this.fadeBox.appendChild(this[x]);
	}
	this.wrapper.appendChild(this.fadeBox);
	
	from = {
		xmin: last.x.min,
		xspan: last.x.span,
		xp1: last.x.p1,
		xp2: last.x.p2,
		ymin: last.y.min,
		yspan: last.y.span,
		yp1: last.y.p1,
		yp2: last.y.p2,
		o: 1 / steps
	};
	
	to.yspan = this.y.span;
	to.o = 1;
	var t, easing = Math.easeInOutQuad;
	
	this.crossfadeStep(from);
	function prep() {
		if (exp.overlayBox) {
			exp.wrapper.appendChild(exp.overlayBox);
				
			for (var i = 0; i < exp.last.overlays.length; i++) {
				var oDiv = hs.$('hsId'+ exp.last.overlays[i]);
				if (oDiv.reuse === exp.key) exp.overlayBox.appendChild(oDiv);
				else hs.fade(oDiv, oDiv.opacity, 0);
			}
		}
		exp.fadeBox.style.display = '';
		exp.last.content.style.display = 'none';
	};
	if (/rv:1\.[0-8].+Gecko/.test(navigator.userAgent)) setTimeout(prep, 0);
	else prep();
	if (hs.safari) {
		var match = navigator.userAgent.match(/Safari\/([0-9]{3})/);
		if (match && parseInt(match[1]) < 525) this.wrapper.style.visibility = 'visible';
	}  
	
	for (var i = 1; i <= steps; i++) {
		t = Math.round(i * (hs.transitionDuration / steps));
		
		(function(){
			var size = {}, pI = i;
			for (var x in from)	{
				var val = easing(t, from[x], to[x] - from[x], hs.transitionDuration);
				size[x] = (x != 'o') ? Math.round(val) : val;
			}
			
			setTimeout ( function() {
				exp.crossfadeStep(size);
			}, t);				
		})();
	}
	setTimeout ( function () {
		exp.crossfadeEnd();
	}, t + 100);

},

crossfadeStep : function (size) {
	try {
		if (this.outline) this.outline.setPosition(this, { 
			x: size.xmin, 
			y: size.ymin, 
			w: size.xspan + size.xp1 + size.xp2, 
			h: size.yspan + size.yp1 + size.yp2
		}, 1);
		this.last.wrapper.style.clip = 'rect('
			+ (size.ymin - this.last.y.min)+'px, '
			+ (size.xspan + size.xp1 + size.xp2 + 2 * this.last.x.cb + size.xmin - this.last.x.min) +'px, '
			+ (size.yspan + size.yp1 + size.yp2 + 2 * this.last.y.cb + size.ymin - this.last.y.min) +'px, '
			+ (size.xmin - this.last.x.min)+'px)';
			
		hs.setStyles(this.content, {
			top: size.yp1 +'px',
			left: size.xp1 +'px',
			marginTop: (this.y.min - size.ymin) +'px',
			marginLeft: (this.x.min - size.xmin) +'px'
		});
		
		hs.setStyles(this.wrapper, {
			top: size.ymin +'px',
			left: size.xmin +'px',
			width: (size.xp1 + size.xp2 + size.xspan + 2 * this.x.cb)+ 'px',
			height: (size.yp1 + size.yp2 + size.yspan + 2 * this.y.cb) + 'px'
		});
			
		hs.setStyles(this.fadeBox, {
			width: size.xspan + 'px',
			height: size.yspan +'px',
			left: size.xp1 +'px',
			top: size.yp1 +'px',
			visibility: 'visible'
		});
		
		hs.setStyles(this.oldImg, {
			top: (this.last.y.min - size.ymin + this.last.y.p1 - size.yp1)+'px',
			left: (this.last.x.min - size.xmin + this.last.x.p1 - size.xp1)+'px'
		});		
		
		hs.setStyles(this.newImg, {
			opacity: size.o,
			top: (this.y.min - size.ymin + this.y.p1 - size.yp1) +'px',
			left: (this.x.min - size.xmin + this.x.p1 - size.xp1) +'px'
		});
		hs.setStyles(this.overlayBox, {
			width: size.xspan + 'px',
			height: size.yspan +'px',
			left: (size.xp1 + this.x.cb)  +'px',
			top: (size.yp1 + this.y.cb) +'px'
		});
	} catch (e) {}
},
crossfadeEnd : function() {
	this.wrapper.style.background = this.wrapperBG || '';
	
	this.wrapper.style.visibility = this.content.style.visibility = 'visible';
	this.fadeBox.style.display = 'none';
	this.a.className += ' highslide-active-anchor';
	this.afterExpand();
	this.last.afterClose();
},
reuseOverlay : function(o, el) {
	if (!this.last) return false;
	for (var i = 0; i < this.last.overlays.length; i++) {
		var oDiv = hs.$('hsId'+ this.last.overlays[i]);
		if (oDiv && oDiv.hsId == o.hsId) {
			this.genOverlayBox();
			oDiv.reuse = this.key;
			hs.push(this.overlays, this.last.overlays[i]);
			return true;
		}
	}
	return false;
},


afterExpand : function() {
	this.isExpanded = true;	
	this.focus();
	
	if (this.isHtml && this.objectLoadTime == 'after') this.writeExtendedContent();
	
	if (this.isHtml) {
		if (this.iframe) {
			try {
				var exp = this,
					doc = this.iframe.contentDocument || this.iframe.contentWindow.document;
				hs.addEventListener(doc, 'mousedown', function () {
					if (hs.focusKey != exp.key) exp.focus();
				});
			} catch(e) {}
			if (hs.ie && typeof this.isClosing != 'boolean') // first open 
				this.iframe.style.width = (this.objectWidth - 1) +'px'; // hasLayout
		}
	}
	
	if (this.dimmingOpacity) hs.dim(this);
	if (hs.upcoming && hs.upcoming == this.a) hs.upcoming = null;
	this.prepareNextOutline();
	
	
	if (this.overlayBox) this.showOverlays();
	hs.fireEvent(this, 'onAfterExpand');
	
},


prepareNextOutline : function() {
	var key = this.key;
	var outlineType = this.outlineType;
	new hs.Outline(outlineType, 
		function () { try { hs.expanders[key].preloadNext(); } catch (e) {} });
},


preloadNext : function() {
	var next = this.getAdjacentAnchor(1);
	if (next && next.onclick.toString().match(/hs\.expand/)) 
		var img = hs.createElement('img', { src: hs.getSrc(next) });
},


getAdjacentAnchor : function(op) {
	var current = this.getAnchorIndex(), as = hs.anchors.groups[this.slideshowGroup || 'none'];
	
	/*< ? if ($cfg->slideshow) : ?>s*/
	if (!as[current + op] && this.slideshow && this.slideshow.repeat) {
		if (op == 1) return as[0];
		else if (op == -1) return as[as.length-1];
	}
	/*< ? endif ?>s*/
	return as[current + op] || null;
},

getAnchorIndex : function() {
	var arr = hs.anchors.groups[this.slideshowGroup || 'none'];
	for (var i = 0; i < arr.length; i++) {
		if (arr[i] == this.a) return i; 
	}
	return null;
},


getNumber : function() {
	if (this[this.numberPosition]) {
		var arr = hs.anchors.groups[this.slideshowGroup || 'none'];
		var s = hs.lang.number.replace('%1', this.getAnchorIndex() + 1).replace('%2', arr.length);
		this[this.numberPosition].innerHTML = 
			'<div class="highslide-number">'+ s +'</div>'+ this[this.numberPosition].innerHTML;
	}
},
initSlideshow : function() {
	if (this.slideshow) return;
	
	if (!this.last) {
		for (var i = 0; i < hs.slideshows.length; i++) {
			var ss = hs.slideshows[i], sg = ss.slideshowGroup;
			if (sg === this.slideshowGroup) this.slideshow = new hs.Slideshow(ss);
		} 
	} else {
		this.slideshow = this.last.slideshow;
	}
	var ss = this.slideshow;
	if (!ss) return;
	var exp = ss.exp = this;
	
	ss.checkFirstAndLast();
	
	if (ss.useControls) {
		var o = ss.overlayOptions || {};
		o.overlayId = ss.controls;
		o.hsId = 'controls';
		this.createOverlay(o);
	}
	if (!this.last && this.autoplay) ss.play(true);
	if (ss.autoplay) {
		ss.autoplay = setTimeout(function() {
			hs.next(exp.key);
		}, (ss.interval || 500));
	}
},

cancelLoading : function() {	
	hs.expanders[this.key] = null;
	if (hs.upcoming == this.a) hs.upcoming = null;
	hs.undim();
	if (this.loading) hs.loading.style.left = '-9999px';
	hs.fireEvent(this, 'onHideLoading');
},

writeCredits : function () {
	if (this.credits) return;
	this.credits = hs.createElement('a',
		{
			href: hs.creditsHref,
			className: 'highslide-credits',
			innerHTML: hs.lang.creditsText,
			title: hs.lang.creditsTitle
		}
	);
	this.createOverlay({ 
		overlayId: this.credits, 
		position: 'top left', 
		hsId: 'credits' 
	});
},

getInline : function(types, addOverlay) {
	for (var i = 0; i < types.length; i++) {
		var type = types[i], s = null;
		if (type == 'caption' && !hs.fireEvent(this, 'onBeforeGetCaption')) return;
		else if (type == 'heading' && !hs.fireEvent(this, 'onBeforeGetHeading')) return;
		if (!this[type +'Id'] && this.thumbsUserSetId)  
			this[type +'Id'] = type +'-for-'+ this.thumbsUserSetId;
		if (this[type +'Id']) this[type] = hs.getNode(this[type +'Id']);
		if (!this[type] && !this[type +'Text'] && this[type +'Eval']) try {
			s = eval(this[type +'Eval']);
		} catch (e) {}
		if (!this[type] && this[type +'Text']) {
			s = this[type +'Text'];
		}
		if (!this[type] && !s) {
			var next = this.a.nextSibling;
			while (next && !hs.isHsAnchor(next)) {
				if ((new RegExp('highslide-'+ type)).test(next.className || null)) {
					this[type] = next.cloneNode(1);
					break;
				}
				next = next.nextSibling;
			}
		}
		if (!this[type] && !s && this.numberPosition == type) s = '\n';
		
		if (!this[type] && s) this[type] = hs.createElement('div', 
				{ className: 'highslide-'+ type, innerHTML: s } );
				
		if (addOverlay && this[type]) {
			var o = { position: (type == 'heading') ? 'above' : 'below' };
			for (var x in this[type+'Overlay']) o[x] = this[type+'Overlay'][x];
			o.overlayId = this[type];
			this.createOverlay(o);
		}
	}
},


showHideElements : function (tagName, visibility, imgPos) {
	var els = document.getElementsByTagName(tagName);
	var prop = tagName == '*' ? 'overflow' : 'visibility';
	for (var i = 0; i < els.length; i++) {
		if (prop == 'visibility' || (document.defaultView.getComputedStyle(
				els[i], "").getPropertyValue('overflow') == 'auto'
				|| els[i].getAttribute('hidden-by') != null)) {
			var hiddenBy = els[i].getAttribute('hidden-by');
			if (visibility == 'visible' && hiddenBy) {
				hiddenBy = hiddenBy.replace('['+ this.key +']', '');
				els[i].setAttribute('hidden-by', hiddenBy);
				if (!hiddenBy) els[i].style[prop] = els[i].origProp;
			} else if (visibility == 'hidden') { // hide if behind
				var elPos = hs.getPosition(els[i]);
				elPos.w = els[i].offsetWidth;
				elPos.h = els[i].offsetHeight;
				if (!this.dimmingOpacity) { // hide all if dimming
				
					var clearsX = (elPos.x + elPos.w < imgPos.x || elPos.x > imgPos.x + imgPos.w);
					var clearsY = (elPos.y + elPos.h < imgPos.y || elPos.y > imgPos.y + imgPos.h);
				}
				var wrapperKey = hs.getWrapperKey(els[i]);
				if (!clearsX && !clearsY && wrapperKey != this.key) { // element falls behind image
					if (!hiddenBy) {
						els[i].setAttribute('hidden-by', '['+ this.key +']');
						els[i].origProp = els[i].style[prop];
						els[i].style[prop] = 'hidden';
					} else if (!hiddenBy.match('['+ this.key +']')) {
						els[i].setAttribute('hidden-by', hiddenBy + '['+ this.key +']');
					}
				} else if (hiddenBy == '['+ this.key +']' || hs.focusKey == wrapperKey) { // on move
					els[i].setAttribute('hidden-by', '');
					els[i].style[prop] = els[i].origProp || '';
				} else if (hiddenBy && hiddenBy.match('['+ this.key +']')) {
					els[i].setAttribute('hidden-by', hiddenBy.replace('['+ this.key +']', ''));
				}
						
			}
		}
	}
},

focus : function() {
	this.wrapper.style.zIndex = hs.zIndexCounter++;
	// blur others
	for (var i = 0; i < hs.expanders.length; i++) {
		if (hs.expanders[i] && i == hs.focusKey) {
			var blurExp = hs.expanders[i];
			blurExp.content.className += ' highslide-'+ blurExp.contentType +'-blur';
			if (blurExp.isImage) {
				blurExp.content.style.cursor = hs.ie ? 'hand' : 'pointer';
				blurExp.content.title = hs.lang.focusTitle;	
			}	
			hs.fireEvent(this, 'onBlur');
		}
	}
	
	// focus this
	if (this.outline) this.outline.table.style.zIndex 
		= this.wrapper.style.zIndex;
	this.content.className = 'highslide-'+ this.contentType;
	if (this.isImage) {
		this.content.title = hs.lang.restoreTitle;
		
		hs.styleRestoreCursor = window.opera ? 'pointer' : 'url('+ hs.graphicsDir + hs.restoreCursor +'), pointer';
		if (hs.ie && hs.ieVersion() < 6) hs.styleRestoreCursor = 'hand';
		this.content.style.cursor = hs.styleRestoreCursor;
	}
	hs.focusKey = this.key;	
	hs.addEventListener(document, window.opera ? 'keypress' : 'keydown', hs.keyHandler);	
	hs.fireEvent(this, 'onFocus');	
},

move : function (e) {
	this.x.min = e.left + e.dX;
	this.y.min = e.top + e.dY;
	
	if (e.type == 'image') this.content.style.cursor = 'move';
	hs.setStyles(this.wrapper, { left: this.x.min +'px', top: this.y.min +'px' });
	
	if (this.outline) this.outline.setPosition(this);
	
},
resize : function (e) {
	var w, h, r = e.width / e.height;
	w = Math.max(e.width + e.dX, Math.min(this.minWidth, this.x.full));
	if (this.isImage && Math.abs(w - this.x.full) < 12) w = this.x.full;
	h = this.isHtml ? e.height + e.dY : w / r;
	
	if (h < Math.min(this.minHeight, this.y.full)) {
		h = Math.min(this.minHeight, this.y.full);
		if (this.isImage) w = h * r;
	}
	
	this.x.span = w;
	this.y.span = h;
	if (this.isHtml) {
		var d = this.scrollerDiv;
		if (typeof this.wDiff == 'undefined') {
			this.wDiff = this.innerContent.offsetWidth - d.offsetWidth;
			this.hDiff = this.innerContent.offsetHeight - d.offsetHeight;
		}
		hs.setStyles(d, { width: (this.x.span - this.wDiff) +'px', 
			height: (this.y.span - this.hDiff) +'px' });
	}
	var size = { width: this.x.span +'px', height: this.y.span +'px' };
	hs.setStyles(this.content, size);
	if (this.releaseMask) hs.setStyles(this.releaseMask, size);
	if (this.isHtml) {
		this.mediumContent.style.width = 'auto';
		if (this.body) hs.setStyles(this.body, { width: 'auto', height: 'auto' });
	}
	if (this.overlayBox) this.sizeOverlayBox(true);
	hs.setStyles(this.wrapper, {
		width: (this.x.p1 + this.x.p2 +2 * this.x.cb + this.x.span) +'px',
		height: (this.y.p1 + this.y.p2 +2 * this.y.cb + this.y.span) +'px'
	});
	if (this.slideshow && this.isImage) {
		if (w == this.x.full) this.slideshow.disable('full-expand');
		else this.slideshow.enable('full-expand');
	}
	if (this.outline) this.outline.setPosition(this);
	
},

close : function() {
	if (this.isClosing || !this.isExpanded
		 || (hs.upcoming && this.transitions[1] == 'crossfade')
		) return;
	this.isClosing = true;
	if (!hs.fireEvent(this, 'onBeforeClose')) return;
	if (this.slideshow && !hs.upcoming) this.slideshow.pause();
	
	hs.removeEventListener(document, window.opera ? 'keypress' : 'keydown', hs.keyHandler);
	
	try {
		if (this.isHtml) this.htmlPrepareClose();
		this.content.style.cursor = 'default';
		this.changeSize(
			0, {
				xmin: this.x.min,
				ymin: this.y.min,
				xspan: this.x.span,
				yspan: parseInt(this.content.style.height),
				xp1: this.x.p1,
				yp1: this.y.p1,
				xp2: this.x.p2,
				yp2: this.y.p2,
				o: this.outline ? this.outline.offset : 0
			}, {
				xmin: this.x.tpos - this.x.cb + this.x.tb,
				ymin: this.y.tpos - this.y.cb + this.y.tb,
				xspan: this.x.t,
				yspan: this.y.t,
				xp1: 0,
				yp1: 0,
				xp2: 0,
				yp2: 0,
				o: hs.outlineStartOffset
			},
			hs.restoreDuration,
			hs.restoreSteps
		);
		
	} catch (e) { this.afterClose(); } 
},

htmlPrepareClose : function() {
	if (hs.geckoMac) { // bad redraws
		if (!hs.mask) hs.mask = hs.createElement('div', null, 
			{ position: 'absolute' }, hs.container);
		hs.setStyles(hs.mask, { width: this.x.span +'px', height: this.y.span +'px', 
			left: this.x.min +'px', top: this.y.min +'px', display: 'block' });			
	}
	if (this.objectType == 'swf') try { hs.$(this.body.id).StopPlay(); } catch (e) {}
	
	if (this.objectLoadTime == 'after' && !this.preserveContent) this.destroyObject();		
	if (this.scrollerDiv && this.scrollerDiv != this.scrollingContent) 
		this.scrollerDiv.style.overflow = 'hidden';
},

destroyObject : function () {
	if (hs.ie && this.iframe)
		try { this.iframe.contentWindow.document.body.innerHTML = ''; } catch (e) {}
	if (this.objectType == 'swf') swfobject.removeSWF(this.body.id);
	this.body.innerHTML = '';
},

sleep : function() {
	if (this.outline) this.outline.table.style.display = 'none';
	this.releaseMask = null;
	this.wrapper.style.display = 'none';
	hs.push(hs.sleeping, this);
},

awake : function() {
	hs.expanders[this.key] = this;
	
	if (!hs.allowMultipleInstances &&hs.focusKey != this.key) {	
		try { hs.expanders[hs.focusKey].close(); } catch (e){}
	}
	
	var z = hs.zIndexCounter++, stl = { display: '', zIndex: z };
	hs.setStyles (this.wrapper, stl);
	this.isClosing = false;
	
	var o = this.outline || 0;
	if (o) {
		if (!this.outlineWhileAnimating) stl.visibility = 'hidden';
		hs.setStyles (o.table, stl);		
	}
	this.show();
},

createOverlay : function (o) {
	var el = o.overlayId;
	if (typeof el == 'string') el = hs.getNode(el);
	if (!el || typeof el == 'string') return;
	if (!hs.fireEvent(this, 'onCreateOverlay', { overlay: el })) return;
	el.style.display = 'block';
	o.hsId = o.hsId || o.overlayId; 
	if (this.transitions[1] == 'crossfade' && this.reuseOverlay(o, el)) return;
	this.genOverlayBox();
	var width = o.width && /^[0-9]+(px|%)$/.test(o.width) ? o.width : 'auto';
	if (/^(left|right)panel$/.test(o.position) && !/^[0-9]+px$/.test(o.width)) width = '200px';
	
	var overlay = hs.createElement(
		'div',
		{ id: 'hsId'+ hs.idCounter++, hsId: o.hsId },
		{
			position: 'absolute',
			visibility: 'hidden',
			width: width
		},
		this.overlayBox,
		true
	);
	
	overlay.appendChild(el);
	hs.setAttribs(overlay, {
		hideOnMouseOut: o.hideOnMouseOut,
		opacity: o.opacity || 1,
		hsPos: o.position,
		fade: o.fade
	});
	
	if (this.gotOverlays) {
		this.positionOverlay(overlay);
		if (!overlay.hideOnMouseOut || this.mouseIsOver) hs.fade(overlay, 0, overlay.opacity);
	}
	hs.push(this.overlays, hs.idCounter - 1);
},
positionOverlay : function(overlay) {
	var p = overlay.hsPos || 'middle center';
	if (/left$/.test(p)) overlay.style.left = 0; 
	if (/center$/.test(p))	hs.setStyles (overlay, { 
		left: '50%',
		marginLeft: '-'+ Math.round(overlay.offsetWidth / 2) +'px'
	});	
	if (/right$/.test(p))	overlay.style.right = 0;
	
	if (/^leftpanel$/.test(p)) { 
		hs.setStyles(overlay, {
			right: '100%',
			marginRight: this.x.cb +'px',
			top: - this.y.cb +'px',
			bottom: - this.y.cb +'px',
			overflow: 'auto'
		});		 
		this.x.p1 = overlay.offsetWidth;
	
	} else if (/^rightpanel$/.test(p)) {
		hs.setStyles(overlay, {
			left: '100%',
			marginLeft: this.x.cb +'px',
			top: - this.y.cb +'px',
			bottom: - this.y.cb +'px',
			overflow: 'auto'
		});
		this.x.p2 = overlay.offsetWidth;
	}
	if (/^top/.test(p)) overlay.style.top = 0; 
	if (/^middle/.test(p))	hs.setStyles (overlay, { 
		top: '50%', 
		marginTop: '-'+ Math.round(overlay.offsetHeight / 2) +'px'
	});	
	if (/^bottom/.test(p)) overlay.style.bottom = 0;
	if (/^above$/.test(p)) {
		hs.setStyles(overlay, {
			left: (- this.x.p1 - this.x.cb) +'px',
			right: (- this.x.p2 - this.x.cb) +'px',
			bottom: '100%',
			marginBottom: this.y.cb +'px',
			width: 'auto'
		});
		this.y.p1 = overlay.offsetHeight;
	
	} else if (/^below$/.test(p)) {
		hs.setStyles(overlay, {
			position: 'relative',
			left: (- this.x.p1 - this.x.cb) +'px',
			right: (- this.x.p2 - this.x.cb) +'px',
			top: '100%',
			marginTop: this.y.cb +'px',
			width: 'auto'
		});
		this.y.p2 = overlay.offsetHeight;
		overlay.style.position = 'absolute';
	}
},

getOverlays : function() {	
	this.getInline(['heading', 'caption'], true);
	this.getNumber();
	if (this.caption) hs.fireEvent(this, 'onAfterGetCaption');
	if (this.heading) hs.fireEvent(this, 'onAfterGetHeading');
	if (this.heading && this.dragByHeading) this.heading.className += ' highslide-move';
	if (hs.showCredits) this.writeCredits();
	for (var i = 0; i < hs.overlays.length; i++) {
		var o = hs.overlays[i], tId = o.thumbnailId, sg = o.slideshowGroup;
		if ((!tId && !sg) || (tId && tId == this.thumbsUserSetId)
				|| (sg && sg === this.slideshowGroup)) {
			if (this.isImage || (this.isHtml && o.useOnHtml))
			this.createOverlay(o);
		}
	}
	var os = [];
	for (var i = 0; i < this.overlays.length; i++) {
		var o = hs.$('hsId'+ this.overlays[i]);
		if (/panel$/.test(o.hsPos)) this.positionOverlay(o);
		else hs.push(os, o);
	}
	var curW = this.x.p1 + this.x.full + this.x.p2;
	if (hs.padToMinWidth && curW < hs.minWidth) {
		this.x.p1 += (hs.minWidth - curW) / 2;
		this.x.p2 += (hs.minWidth - curW) / 2;
	}
	for (var i = 0; i < os.length; i++) this.positionOverlay(os[i]);
	this.gotOverlays = true;
},
genOverlayBox : function() {
	if (!this.overlayBox) this.overlayBox = hs.createElement (
		'div', null, 
		{
			position : 'absolute',
			width: this.x.span ? this.x.span +'px' : this.x.full +'px',
			height: 0,
			visibility : 'hidden',
			overflow : 'hidden',
			zIndex : hs.ie ? 4 : null
		},
		hs.container,
		true
	);
},
sizeOverlayBox : function(doWrapper, doPanels) {
	hs.setStyles( this.overlayBox, {
		width: this.x.span +'px', 
		height: this.y.span +'px'
	});
	if (doWrapper || doPanels) {
		for (var i = 0; i < this.overlays.length; i++) {
			var o = hs.$('hsId'+ this.overlays[i]);
			if (o && /^(above|below)$/.test(o.hsPos)) {
				if (hs.ie && (hs.ieVersion() <= 6 || document.compatMode == 'BackCompat')) {
					o.style.width = (this.overlayBox.offsetWidth + 2 * this.x.cb
						- this.x.p1 - this.x.p2) +'px';
				}
				this.y[o.hsPos == 'above' ? 'p1' : 'p2'] = o.offsetHeight;
			}
		}
	}
	if (doWrapper) {
		hs.setStyles(this.content, {
			top: this.y.p1 +'px'
		});
		hs.setStyles(this.overlayBox, {
			top: (this.y.p1 + this.y.cb) +'px'
		});
	}
},

showOverlays : function() {
	var b = this.overlayBox, p = hs.getPageSize(), 
		mX = hs.mouse.x + p.scrollLeft, mY = hs.mouse.y + p.scrollTop;
	hs.setStyles(b, {
		top: (this.y.p1 + this.y.cb) +'px',
		left: (this.x.p1 + this.x.cb) +'px',
		overflow : 'visible'
	});
	if (hs.safari) b.style.visibility = 'visible';
	this.wrapper.appendChild (b);
	this.mouseIsOver = this.x.min < mX && mX < this.x.min + this.x.p1 + this.x.span + this.x.p2
			&& this.y.min < mY && mY < this.y.min + this.y.p1 + this.y.span + this.y.p2;
	for (var i = 0; i < this.overlays.length; i++) {
		var o = hs.$('hsId'+ this.overlays[i]);
		o.style.zIndex = o.hsId == 'controls' ? 5 : 4;
		if (!o.hideOnMouseOut || this.mouseIsOver) hs.fade(o, 0, o.opacity);
	}
},



createFullExpand : function () {
	if (this.slideshow) {
		this.slideshow.enable('full-expand');
		return;
	}
	this.fullExpandLabel = hs.createElement(
		'a',
		{
			href: 'javascript:hs.expanders['+ this.key +'].doFullExpand();',
			title: hs.lang.fullExpandTitle,
			className: 'highslide-full-expand'
		}
	);
	if (!hs.fireEvent(this, 'onCreateFullExpand')) return;
	
	this.createOverlay({ 
		overlayId: this.fullExpandLabel, 
		position: hs.fullExpandPosition, 
		hideOnMouseOut: true, 
		opacity: hs.fullExpandOpacity
	});
},

doFullExpand : function () {
	try {
		if (!hs.fireEvent(this, 'onDoFullExpand')) return;
		if (this.fullExpandLabel) hs.discardElement(this.fullExpandLabel);
		else if (this.slideshow) this.slideshow.disable('full-expand');
		
		this.focus();
		
		this.x.min = parseInt(this.wrapper.style.left) - (this.x.full - this.content.width) / 2;
		if (this.x.min < hs.marginLeft) this.x.min = hs.marginLeft;		
		this.wrapper.style.left = this.x.min +'px';
		
		hs.setStyles(this.content, { width: this.x.full +'px', height: this.y.full +'px'});
		
		this.x.span = this.x.full;
		this.y.span = this.y.full;
		
		
		if (this.overlayBox) this.sizeOverlayBox(true);		
		
		
		hs.setStyles(this.wrapper, {
			width: (this.x.p1 + 2 * this.x.cb + this.x.span + this.x.p2) +'px',
			height: (this.y.p1 + 2 * this.y.cb + this.y.span + this.y.p2) +'px'
		});
		
		
		if (this.outline) this.outline.setPosition(this);
		
		
		this.redoShowHide();
		
		hs.setDimmerSize(this);
		
	
	} catch (e) {
		window.location.href = this.content.src;
	}
},


// on end move and resize
redoShowHide : function() {
	var imgPos = {
		x: parseInt(this.wrapper.style.left) - 20, 
		y: parseInt(this.wrapper.style.top) - 20, 
		w: this.content.offsetWidth + 40, 
		h: this.content.offsetHeight + 40
	};
	if (hs.hideSelects) this.showHideElements('SELECT', 'hidden', imgPos);
	if (hs.hideIframes) this.showHideElements('IFRAME', 'hidden', imgPos);
	if (hs.geckoMac) this.showHideElements('*', 'hidden', imgPos);

},

afterClose : function () {
	this.a.className = this.a.className.replace('highslide-active-anchor', '');
	
	if (hs.hideSelects) this.showHideElements('SELECT', 'visible');
	if (hs.hideIframes) this.showHideElements('IFRAME', 'visible');
	if (hs.geckoMac) this.showHideElements('*', 'visible');	
	
	if (this.isHtml && this.preserveContent) this.sleep();
	else {
		if (this.outline && this.outlineWhileAnimating) this.outline.destroy();
	
		hs.discardElement(this.wrapper);
	}
	if (hs.mask) hs.mask.style.display = 'none';
	if (this.dimmingOpacity) hs.undim(this.key);
	hs.fireEvent(this, 'onAfterClose');
	hs.expanders[this.key] = null;		
	hs.reOrder();
}

};


// hs.Ajax object prototype
hs.Ajax = function (a, content, pre) {
	this.a = a;
	this.content = content;
	this.pre = pre;
};

hs.Ajax.prototype = {
run : function () {
	if (!this.src) this.src = hs.getSrc(this.a);
	if (this.src.match('#')) {
		var arr = this.src.split('#');
		this.src = arr[0];
		this.id = arr[1];
	}
	if (hs.cachedGets[this.src]) {
		this.cachedGet = hs.cachedGets[this.src];
		if (this.id) this.getElementContent();
		else this.loadHTML();
		return;
	}
	try { this.xmlHttp = new XMLHttpRequest(); }
	catch (e) {
		try { this.xmlHttp = new ActiveXObject("Msxml2.XMLHTTP"); }
		catch (e) {
			try { this.xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); }
			catch (e) { this.onError(); }
		}
	}
	var pThis = this;
	this.xmlHttp.onreadystatechange = function() {
		if(pThis.xmlHttp.readyState == 4) {
			if (pThis.id) pThis.getElementContent();
			else pThis.loadHTML();
		}
	};
	
	this.xmlHttp.open("GET", this.src, true);
	this.xmlHttp.send(null);
},

getElementContent : function() {
	hs.init();
	var attribs = window.opera || hs.ie6SSL ? { src: 'about:blank' } : null;
	
	this.iframe = hs.createElement('iframe', attribs, 
		{ position: 'absolute', left: '-9999px' }, hs.container);
		
	this.loadHTML();
},

loadHTML : function() {
	var s = this.cachedGet || this.xmlHttp.responseText;
	if (this.pre) hs.cachedGets[this.src] = s;
	if (!hs.ie || hs.ieVersion() >= 5.5) {
		s = s.replace(/\s/g, ' ').replace(
			new RegExp('<link[^>]*>', 'gi'), '').replace(
			new RegExp('<script[^>]*>.*?</script>', 'gi'), '');

		if (this.iframe) {
			var doc = this.iframe.contentDocument;
			if (!doc && this.iframe.contentWindow) doc = this.iframe.contentWindow.document;
			if (!doc) { // Opera
				var pThis = this;
				setTimeout(function() {	pThis.loadHTML(); }, 25);
				return;
			}
			doc.open();
			doc.write(s);
			doc.close();
			try { s = doc.getElementById(this.id).innerHTML; } catch (e) {
				try { s = this.iframe.document.getElementById(this.id).innerHTML; } catch (e) {} // opera
			}
		} else {
			s = s.replace(new RegExp('^.*?<body[^>]*>(.*?)</body>.*?$', 'i'), '$1');
		}
	}
	hs.getElementByClass(this.content, 'DIV', 'highslide-body').innerHTML = s;
	this.onLoad();
	for (var x in this) this[x] = null;
}
};


hs.Slideshow = function (options) {
	hs.updateAnchors();
	for (var x in options) this[x] = options[x];
	if (this.useControls) this.getControls();
};
hs.Slideshow.prototype = {
getControls: function() {
	this.controls = hs.createElement('div', { innerHTML: hs.replaceLang(hs.skin.controls) }, 
		null, hs.container);
	
	var buttons = ['play', 'pause', 'previous', 'next', 'move', 'full-expand', 'close'];
	this.btn = {};
	var pThis = this;
	for (var i = 0; i < buttons.length; i++) {
		this.btn[buttons[i]] = hs.getElementByClass(this.controls, 'li', 'highslide-'+ buttons[i]);
		this.enable(buttons[i]);
	}
	this.btn.pause.style.display = 'none';
	this.disable('full-expand');
},
checkFirstAndLast: function() {
	if (this.repeat) return;
	var cur = this.exp.getAnchorIndex(), re = /disabled$/;
	if (cur == 0) 
		this.disable('previous');
	else if (re.test(this.btn.previous.getElementsByTagName('a')[0].className))
		this.enable('previous');
	if (cur + 1 == hs.anchors.groups[this.slideshowGroup || 'none'].length) {
		this.disable('next');
		this.disable('play');
	} else if (re.test(this.btn.next.getElementsByTagName('a')[0].className)) {
		this.enable('next');
		this.enable('play');
	}
},
enable: function(btn) {
	var sls = this, a = this.btn[btn].getElementsByTagName('a')[0], re = /disabled$/;
	a.onclick = function() {
		sls[btn]();
		return false;
	};
	if (re.test(a.className)) a.className = a.className.replace(re, '');
},
disable: function(btn) {
	var a = this.btn[btn].getElementsByTagName('a')[0];
	a.onclick = function() { return false; };
	if (!/disabled$/.test(a.className)) a.className += ' disabled';
},
hitSpace: function() {
	if (this.autoplay) this.pause();
	else this.play();
},
play: function(wait) {
	if (this.btn) {
		this.btn.play.style.display = 'none';
		this.btn.pause.style.display = '';
	}
	
	this.autoplay = true;	
	if (!wait) hs.next(this.exp.key);
},
pause: function() {
	if (this.btn) {
		this.btn.pause.style.display = 'none';
		this.btn.play.style.display = '';
	}
	
	clearTimeout(this.autoplay);
	this.autoplay = null;
},
previous: function() {
	this.pause();
	hs.previous(this.btn.previous);
},
next: function() {
	this.pause();
	hs.next(this.btn.next);
},
move: function() {},
'full-expand': function() {
	hs.getExpander().doFullExpand();
},
close: function() {
	hs.close(this.btn.close);
}

};
if (document.readyState && hs.ie) {
	var src = (window.location.protocol == 'https:') ? '://0' : 'javascript:void(0)';
	document.write(
	'<script type="text/javascript" defer="defer" src="' + src + '" ' +
	'onreadystatechange="if (this.readyState == \'complete\') hs.domReady();"' +
	'><\/script>');
}
hs.langDefaults = hs.lang;
// history
var HsExpander = hs.Expander;

// set handlers
hs.addEventListener(document, 'mousemove', function(e) {
	hs.mouse = { x: e.clientX, y: e.clientY	};
});
hs.addEventListener(document, 'mousedown', hs.mouseClickHandler);
hs.addEventListener(document, 'mouseup', hs.mouseClickHandler);
hs.addEventListener(window, 'load', hs.preloadImages);
hs.addEventListener(window, 'load', hs.preloadAjax);
hs.addEventListener(window, 'load', function() { hs.pageLoaded = true; });
hs.setClickEvents();			function Jumper()
			{
			var currentUrl = window.location;
			var album = document.getElementById('selectedAlbum').value;
			var newUrl = currentUrl+'&album='+album;
			window.location = newUrl;	
			}
			
function hashPass2()
{

//Effect.BlindDown('coverer',{duration:0.3});
//Effect.Appear('loader',{duration:0.1});
//document.getElementById('loader').style.display = "block";
var pass = document.getElementById('pass2').value;
var passHash = hex_md5(pass);
document.getElementById('passHash2').value = passHash;

var user = document.getElementById('user2').value;
var userHash = hex_md5(user);
document.getElementById('userHash2').value = userHash;

document.l2.submit();
}
	
function showMenu(what)
{
	var pars = 'get=underMenu&what='+what;
	var myAjax = new Ajax.Updater('underMenu', 'sender.php', {	method: 'post',	parameters: pars});	
}

function getContent(contentTitle)
	{
    var url = 'sender.php';
	var pars = 'sender.php?module=content_management&mode=showContent&content_id='+contentTitle;
	var target = 'content';
	var myAjax = new Ajax.Updater(target, url, {	method: 'get',	parameters: pars});
	}
	
	function getStatistici()
	{
	var angajat = document.getElementById('angajat').value;
	var date_start = document.getElementById('date_start').value;
	var date_end = document.getElementById('date_end').value;
	var show_by = document.getElementById('show_by').value;
	
    var url = 'sender.php';
	var pars = 'sender.php?module=statistici&mode=getChart&angajat='+angajat+'&date_start='+date_start+'&date_end='+date_end
	+'&show_by='+show_by;
	
	var target = 'statisticiBox';
	var myAjax = new Ajax.Updater(target, url, {	method: 'get',	parameters: pars});
	}
	
function sendMessage()
{

//document.getElementById('contactForm').display = 'none';
//var firma = document.getElementById('firma').value;
var name = document.getElementById('name').value;
var email = document.getElementById('email').value;
var message = document.getElementById('message').value;
var emailTo = document.getElementById('emailTo').value;

if (email != "" && message != "") 
   {
var url = 'sender.php';
var pars = '?get=sendMessage&email='+email+'&message='+message+'&emailTo='+emailTo+'&name='+name;
var target = 'contactForm';

var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});

}
   else
   {
   alert('Please fill up the form.');   
   }
   

}

function editContent(contentId)
{

var myFrame = document.createElement("iframe");
var content = document.getElementById('content_'+contentId).innerHTML;

myFrame.setAttribute('src','sender.php?get=module&module=content_management&id='+contentId+'&mode=editContentFormAjax&url='+window.location);
myFrame.setAttribute('frameborder','1');
myFrame.setAttribute('width','620');
myFrame.setAttribute('height','700');

document.getElementById('contentForm_'+contentId).appendChild(myFrame);
Effect.BlindUp('content_'+contentId,{duration:0.3});

}

function messItUp()
{
document.body.style.background = "00FF00"	
}


function addToCart(product_id)
{
var quantity = document.getElementById('cantitate_'+product_id).value;

var url = '/sender.php';
var pars = 'get=addToCart&product_id='+product_id+'&quantity='+quantity;
var target = 'shoppingCart';
var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars}); 
//document.getElementById('shoppingCart').style.display = 'none';
new Effect.Shake('shoppingCart');
	
}
function cartItemAction(cart_item_id,action)
{
	
var url = '/sender.php';
var pars = 'get=cartItemAction&cart_item_id='+cart_item_id+'&action='+action;
var target = 'shoppingCart';
var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});
//new Effect.Shake('shoppingCart');
new Effect.Highlight('shoppingCart', {startcolor:'#CC0000', endcolor:'#F2ECDC'});
}



function deleteRow(table,column,value)
{

confirmare = confirm("Sunteţi sigur că doriţi să ştergeţi această înregistrare?")

if(confirmare)
	{
	var url = 'sender.php';
	var pars = 'get=module&module=db_editor&mode=deleteRecordDbSilent&table='+table+'&column='+column+'&value='+value;
	var target = '';
	var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});   	
	Effect.Fade('row_'+value);
	}
	else
	{
	alert('Înregistrarea nu a fost ştearsă.');	
	}
}
function getQuestions()
{
var lang = document.getElementById('lang2').value;

var url = 'sender.php';
var pars = 'get=module&module=data_collect&mode=editQuestionsAjax&lang='+lang;
var target = 'questionsHere';
var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});
}

function isValidEmail(str) 
{
return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}

function registerEmail()
{
var email = document.getElementById('newsletter_email').value;	
var name = document.getElementById('newsletter_name').value;	

if (!isValidEmail(email))
   {
   alert('invalid email.');   
   }
   else
   {
   //Effect.Fade('newsletterBoxes', {duration:0.2});
   
   var url = '../sender.php';
   var pars = 'get=module&module=newsletter_management&mode=registerEmailDb&email='+email+'&name='+name;
   var target = 'newsletterBoxes';
   var myAjax = new Ajax.Updater(target, url, {	method: 'get',	parameters: pars});	
   
   }
}

function erasePic(picID)
{
	var ans = confirm("Erase pic? "+picID+"? ");
	if (ans)
	{
	var url = 'sender.php';
	var pars = 'get=module&module=photo_gallery&mode=pictureEraseAjax&picID='+picID;
	var target = 'message';
	var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});	
	alert("The photo with the id number "+picID+" has been erased.");
	}
	else
	{}
}
function pictureEdit(picID)
{
	var url = 'sender.php';
	var pars = 'get=pictureEditForm&picID='+picID;
	var target = 'continutBar';
	var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});		
	
}
function pictureSave(picID)
{
	var title = document.getElementById('title').value;
	var description = document.getElementById('description').value;
	
	var url = 'sender.php';
	var pars = 'get=pictureSave&picID='+picID+'&title='+title+'&description='+description;
	
	var target = 'continutBar';
	var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});		
	
}

function loadContent(url)
	{
	var url = 'sender.php';
	var pars = 'get=pictureSave&picID='+picID+'&title='+title+'&description='+description;
	
	var target = 'continutBar';
	var myAjax = new Ajax.Updater(target, url, {	method: 'post',	parameters: pars});		
	}
	
function redirect(location)
	{
	window.location = location;	
		
	}
	

function loginModalbox()
{
var pass = document.getElementById('password').value;
var passHash = hex_md5(pass);

var user = document.getElementById('user').value;
var userHash = hex_md5(user);
//alert(userHash);
Modalbox.show('sender.php?get=login-main&userHash='+userHash+'&passHash='+passHash,{method:'post'});
}

function loginModalboxEnter()
{
	//Event.observe(document, 'keypress', function(event){ if(event.keyCode == Event.KEY_TAB) alert('Tab Pressed');});
Event.observe('password','keypress',function(event) { if (event.keyCode == Event.KEY_RETURN) loginModalbox();});
}
					  
function submitBid()
	{
	var auction_id = document.getElementById('auction_id').value;
	var amount = document.getElementById('amount').value;
	Modalbox.show('sender.php?get=include&include=licitatii&page=submit-bid&auction_id='+auction_id+'&amount='+amount); return false;
	}

function checkEmail()
	{
	
	var email = document.getElementById('email').value;
	var pars = 'get=include&include=user&page=checkEmail&email='+email;
	var target = 'email_check';
	var myAjax = new Ajax.Updater(target, 'sender.php', {	method: 'post',	parameters: pars});		
	//alert(pars);
	}
	
function changePassword()
{
var password = document.getElementById('password').value;
var new_password = document.getElementById('new_password').value;
var confirm_password = document.getElementById('confirm_password').value;	

//alert(new_password);
//alert(confirm_password);
if (new_password == confirm_password)
	{
	Modalbox.show('sender.php?get=include&include=user&page=change_password&password='+password+'&new_password='+new_password);	
	}
	else
	{
	alert('Password do not match.');
	}

}	


function selectCheckBox(theBox)
{
var box = document.getElementById(theBox);


if (box.checked == true)
   {
   box.checked = false; 
   }
   else
   {
   box.checked = true;
   }
}

function isValidEmail(str) 
{
return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}

function registerEmailNewsletter()
{
var email = document.getElementById('email_inscriere').value;	
var pentru = '';

if (!isValidEmail(email))
   {
   alert('Va rugam introduceti un email valid pentru abonare');   
   }
   else
   {
   //document.getElementById('newsletter-register-form').style.display = "none";
   var elements = document.getElementsByTagName('input');
   for (var i=0; i < elements.length; i++) 
       {
       var element = elements[i];
	   if (element.type == 'checkbox')
	      {
		  if (element.checked == true)
		     {
			 pentru = pentru+element.value+"-";
			 }
		  }
       }
   var pars = 'get=include&include=newsletter&page=registerEmail&email='+email+'&for='+pentru;
   
   var myAjax = new Ajax.Updater('newsletter-register-form', 'sender.php', {	method: 'post',	parameters: pars});	
   Effect.Appear('newsletter-register-form', {duration:1});
   }
}

function newsletterUnRegister()
	{
	
var email = document.getElementById('email_inscriere').value;	
var pentru = '';

if (!isValidEmail(email))
   {
   alert('Va rugam introduceti un email valid pentru dezabonare.');   
   }
   else
   {
   //document.getElementById('newsletter-register-form').style.display = "none";
   var elements = document.getElementsByTagName('input');
   for (var i=0; i < elements.length; i++) 
       {
       var element = elements[i];
	   if (element.type == 'checkbox')
	      {
		  if (element.checked == true)
		     {
			 pentru = pentru+element.value+"-";
			 }
		  }
       }
   var pars = 'get=include&include=newsletter&page=unRegisterEmail&email='+email+'&for='+pentru;
   
   var myAjax = new Ajax.Updater('newsletter-register-form', 'sender.php', {	method: 'post',	parameters: pars});	
   Effect.Appear('newsletter-register-form', {duration:1});
   }
	
		
	}