Function.prototype.bind = function(obj) { 
	var method = this, 
	 temp = function() { 
		return method.apply(obj, arguments); 
	 }; 
	
	return temp; 
}

/**
 * domready.js
 * 
 * Cross browser mozilla's 'onDOMContentLoaded' implementation.
 * Executes a function when the dom tree is loaded without waiting for images.
 * 
 * Based on +Element.Events.domready+ from Mootools open source project, 
 * this tiny javascript library adds the emulated 'DOMContentLoaded' functionality.
 * 
 * Features:
 *   - No dependency on external libraries
 *   - Compatible with Prototype.js 
 * 
 * Tested browsers (Windows):
 *   - IE 7 (XP standalone)
 *   - IE 6 SP2
 *   - Firefox 2.0.0.4
 *   - Opera 9.21
 * 
 * Tested browsers (Mac OS X):
 *   - Safari 2.0.4
 *   - Firefox 2.0.0.4
 *   - Mac Opera 9.21
 *   - Mac IE 5.2.3
 *
 * Copyright (c) 2007 Takanori Ishikawa.
 * License: MIT-style license.
 * 
 * MooTools Copyright:
 * copyright (c) 2007 Valerio Proietti, <http://mad4milk.net>
 *
 *
 * See Also:
 *
 *   mootools 
 *   http://mootools.net/
 *   
 *   The window.onload Problem - Solved!
 *   http://dean.edwards.name/weblog/2005/09/busted/
 *   
 *   [PATCH] Faster onload for Event.onload
 *   http://dev.rubyonrails.org/ticket/5414
 *   Changeset 6596: Support for "DOMContentLoaded" event handling (prototype.js event branch)
 *   http://dev.rubyonrails.org/changeset/6596
 *
 */

if (typeof Event == 'undefined') Event = new Object();

/*
 * Registers function +fn+ will be executed when the dom 
 * tree is loaded without waiting for images. 
 * 
 * Example:
 *
 *  Event.domReady.add(function() {
 *    ...
 *  });
 *
 */
Event.domReady = {
  add: function(fn) {
    
    //-----------------------------------------------------------
    // Already loaded?
    //-----------------------------------------------------------
    if (Event.domReady.loaded) return fn();
    
    //-----------------------------------------------------------
    // Observers
    //-----------------------------------------------------------
    var observers = Event.domReady.observers;
    if (!observers) observers = Event.domReady.observers = [];
    // Array#push is not supported by Mac IE 5
    observers[observers.length] = fn;
    
    //-----------------------------------------------------------
    // domReady function
    //-----------------------------------------------------------
    if (Event.domReady.callback) return;
    Event.domReady.callback = function() {
      if (Event.domReady.loaded) return;
      
      Event.domReady.loaded = true;
      if (Event.domReady.timer) {
        clearInterval(Event.domReady.timer);
        Event.domReady.timer = null;
      }
      
      var observers = Event.domReady.observers;
      for (var i = 0, length = observers.length; i < length; i++) {
        var fn = observers[i];
        observers[i] = null;
        fn(); // make 'this' as window
      }
      Event.domReady.callback = Event.domReady.observers = null;
    };
    
    //-----------------------------------------------------------
    // Emulates 'onDOMContentLoaded'
    //-----------------------------------------------------------
    var ie = !!(window.attachEvent && !window.opera);
    var webkit = navigator.userAgent.indexOf('AppleWebKit/') > -1;
    
    if (document.readyState && webkit) {
      
      // Apple WebKit (Safari, OmniWeb, ...)
      Event.domReady.timer = setInterval(function() {
        var state = document.readyState;
        if (state == 'loaded' || state == 'complete') {
          Event.domReady.callback();
        }
      }, 50);
      
    } else if (document.readyState && ie) {
      
      // Windows 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\') Event.domReady.callback();"' + 
        '><\/script>');
      
    } else {
      
      if (window.addEventListener) {
        // for Mozilla browsers, Opera 9
        document.addEventListener("DOMContentLoaded", Event.domReady.callback, false);
        // Fail safe 
        window.addEventListener("load", Event.domReady.callback, false);
      } else if (window.attachEvent) {
        window.attachEvent('onload', Event.domReady.callback);
      } else {
        // Legacy browsers (e.g. Mac IE 5)
        var fn = window.onload;
        window.onload = function() {
          Event.domReady.callback();
          if (fn) fn();
        }
      }
      
    }
    
  }
}

// JavaScript Document
function $(id){
	return document.getElementById(id);
}

/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/	
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

function protectEmail(tld,local,domain,object2replace){
	var emParts = new Array(local,domain+tld);
	
	var els = getElementsByClassName(object2replace,'a');
	if(els.length > 0){
		var ep = new Array(2);
		var ea = document.createElement('a');
		var em = emParts[0] + '@' + emParts[1];
		ea.href = 'mailto:'+em;
		ea.innerHTML = em;
		for(var i=0;i<els.length;i++){
			els[i].parentNode.replaceChild(ea.cloneNode(true),els[i]);
		}
	}	
}