// JavaScript Document
var li_arr = document.getElementById("l_menu").children;

for(var i=0;i<li_arr.length-1;i++)
{
	li_arr[i].onmouseover = function(e)
							{
								this.children[1].style.display = "block";
								this.children[1].style.left = this.offsetWidth-20+"px";
							}
	li_arr[i].onmouseout = function(e)
							{
								this.children[1].style.display = "none";
							}
}