Object.extend(Event,{_domReady:function(){if(arguments.callee.done){return;}
arguments.callee.done=true;if(Event._timer){clearInterval(Event._timer);}
Event._readyCallbacks.each(function(f){f()});Event._readyCallbacks=null;},onReady:function(f){if(!this._readyCallbacks){var domReady=this._domReady;if(domReady.done){return f();}
if(document.addEventListener){document.addEventListener("DOMContentLoaded",domReady,false);}
if(ua_name=='ie'){var dummy=location.protocol=="https:"?"https://javascript:void(0)":"javascript:void(0)";document.write("<script id=__ie_onload defer src='"+dummy+"'><\/script>");document.getElementById("__ie_onload").onreadystatechange=function(){if(this.readyState=="complete"){domReady();}};}
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);}});