if(typeof(console)=='undefined'){
	var console={};
	console.info=function(){};
};

function loadScript(url, callback){
	console.info(url);
	var f = arguments.callee;
	if (!("queue" in f))
		f.queue = {};
	var queue =  f.queue;
	if (url in queue) { 
		if (callback) {
			if (queue[url]) 
				queue[url].push(callback);
			else 
				callback();
		}
		return;
	}
	queue[url] = callback ? [callback] : [];
	var script = document.createElement("script");
	script.type = "text/javascript";
	script.onload = script.onreadystatechange = function(){
		if (script.readyState && script.readyState != "loaded" && script.readyState != "complete")
			return;
		script.onreadystatechange = script.onload = null;
		while (queue[url].length)
			queue[url].shift()();
		queue[url] = null;
	};
	script.src = url;
	document.getElementsByTagName("head")[0].appendChild(script);
}

function loadCss(url){
	console.info(url);
	var fileref=document.createElement("link");
	fileref.setAttribute("rel", "stylesheet");
	fileref.setAttribute("type", "text/css");
	fileref.setAttribute("href", url);
	if (typeof fileref!="undefined"){
		document.getElementsByTagName("head")[0].appendChild(fileref);
	}
}