function $(id){
	return YAHOO.util.Dom.get(id);
}
function $on(el,type,fnc){
	YAHOO.util.Event.addListener(el, type, fnc);
}
function popup(url,width,height){
	window.open(url,'contact','width=' + width + ',height=' + height + ',resizable=no,scrollbars=no,toolbar=no');
}