// JavaScript Document

	
//µ¼؛½	
	var myUl=document.getElementById("nav_ul").getElementsByTagName("ul");
	var j=myUl.length;
	for (i=0;i<j;i++){
	myUl[i].onmouseover=function(){
	this.style.display="block";
	}
	myUl[i].onmouseout=function(){
	this.style.display="none";
	}
	}
	function showUl(m,n){
	myUl[n].style.display="block";
	myUl[n].style.left=m;
	}
	function hideUl(n){
	myUl[n].style.display="none";
	}
//µ¼؛½½لتّ