function cssJsMenu(elemId){
	if (document.getElementById(elemId)){
		var navroot = document.getElementById(elemId);
		var lis=navroot.getElementsByTagName("LI");
		for (i=0; i<lis.length; i++)
			for (j=0; j<lis[i].getElementsByTagName("UL").length; j++)
			{
				lis[i].onmouseover = function(){this.getElementsByTagName("UL")[j].style.visibility = 'visible';}
				lis[i].onmouseout = function(){this.getElementsByTagName("UL")[j].style.visibility = 'hidden';}
			}
	}
}