Object.extend(Event,{_domReady:function(){if(arguments.callee.done){return}arguments.callee.done=true;if(this._timer){clearInterval(this._timer)}this._readyCallbacks.each(function(a){a()});this._readyCallbacks=null},onDOMReady:function(f){if(!this._readyCallbacks){var domReady=this._domReady.bind(this);if(document.addEventListener){document.addEventListener("DOMContentLoaded",domReady,false);
/*@cc_on @*/
/*@if (@_win32)
            document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
            document.getElementById("__ie_onload").onreadystatechange = function() {
                if (this.readyState == "complete") domReady(); 
            };
        /*@end @*/
}if(/WebKit/i.test(navigator.userAgent)){this._timer=setInterval(function(){if(/loaded|complete/.test(document.readyState)){domReady()}},10)}Event.observe(window,"load",domReady);Event._readyCallbacks=[]}Event._readyCallbacks.push(f)}});