var wtCss = [];
var wtScript = [];

function getCss(src){
	var macthIdx = 0;
	if(wtCss.length==0){
		wtCss[0] = src;
		setDomCss();
	}else {
		for(var i = 0;i<wtCss.length;i++){
			if(wtCss[i]==src){
				macthIdx++;
			}
		}
		if(macthIdx==0){
			wtCss[wtCss.length] = src;
			setDomCss();
		}		
	}
	function setDomCss(){
		var link  = document.createElement('link');
		link.rel  = 'stylesheet';
		link.type = 'text/css';
		link.href = src;
		link.media = 'all';
		$('head').append(link);
	}
}

function getScript(src){
	var macthIdx = 0;
	if(wtScript.length==0){
		wtScript[0] = src;
		setDomScript();
	}else {
		for(var i = 0;i<wtScript.length;i++){
			if(wtScript[i]==src){
				macthIdx++;
			}
		}
		if(macthIdx==0){
			wtScript[wtScript.length] = src;
			setDomScript();
		}		
	}
	function setDomScript(){
		$('head').append('<script type="text/javascript" src="'+src+'"></script>');
	}
}