function apndScrpt(src){
	var e = document.createElement("script"); e.type = "text/javascript"; e.async = true; e.src = src;
	var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(e, s);
};

apndScrpt("http://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js");
apndScrpt("http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js");