(function(){
    var DomReady = window.DomReady = {};
    var userAgent = navigator.userAgent.toLowerCase();
    var browser = {
    	version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
    	safari: /webkit/.test(userAgent),
    	opera: /opera/.test(userAgent),
    	msie: (/msie/.test(userAgent)) && (!/opera/.test( userAgent )),
    	mozilla: (/mozilla/.test(userAgent)) && (!/(compatible|webkit)/.test(userAgent))
    };    
	var readyBound = false;	
	var isReady = false;
	var readyList = [];
	function domReady() {
		if(!isReady) {
			isReady = true;
	        if(readyList) {
	            for(var fn = 0; fn < readyList.length; fn++) {
	                readyList[fn].call(window, []);
	            }
	            readyList = [];
	        }
		}
	};
	function addLoadEvent(func) {
	  var oldonload = window.onload;
	  if (typeof window.onload != 'function') {
	    window.onload = func;
	  } else {
	    window.onload = function() {
	      if (oldonload) {
	        oldonload();
	      }
	      func();
	    }
	  }
	};
	function bindReady() {
		if(readyBound) {
		    return;
	    }
		readyBound = true;
		if (document.addEventListener && !browser.opera) {
			document.addEventListener("DOMContentLoaded", domReady, false);
		}
		if (browser.msie && window == top) (function(){
			if (isReady) return;
			try {
				document.documentElement.doScroll("left");
			} catch(error) {
				setTimeout(arguments.callee, 0);
				return;
			}
		    domReady();
		})();

		if(browser.opera) {
			document.addEventListener( "DOMContentLoaded", function () {
				if (isReady) return;
				for (var i = 0; i < document.styleSheets.length; i++)
					if (document.styleSheets[i].disabled) {
						setTimeout( arguments.callee, 0 );
						return;
					}
	            domReady();
			}, false);
		}
		if(browser.safari) {
		    var numStyles;
			(function(){
				if (isReady) return;
				if (document.readyState != "loaded" && document.readyState != "complete") {
					setTimeout( arguments.callee, 0 );
					return;
				}
				if (numStyles === undefined) {
	                var links = document.getElementsByTagName("link");
	                for (var i=0; i < links.length; i++) {
	                	if(links[i].getAttribute('rel') == 'stylesheet') {
	                	    numStyles++;
	                	}
	                }
	                var styles = document.getElementsByTagName("style");
	                numStyles += styles.length;
				}
				if (document.styleSheets.length != numStyles) {
					setTimeout( arguments.callee, 0 );
					return;
				}
				domReady();
			})();
		}
	    addLoadEvent(domReady);
	};
	DomReady.ready = function(fn, args) {
		bindReady();
		if (isReady) {
			fn.call(window, []);
	    } else {
	        readyList.push( function() { return fn.call(window, []); } );
	    }
	};
	bindReady();
})();