aMenuParent1=new Array();
aMenuChild1=new Array();
var oMenuTime1;

function setMenuTime(index){
	oMenuTime1=setTimeout("aMenuChild1["+index+"].style.visibility='hidden';",500);
}

function setMenuClear(index){
	for(i=0;i<aMenuChild1.length;i++){
		if(i==index) continue;
		aMenuChild1[i].style.visibility="hidden";
	}
}

function setMenu(){
	function setMenu2(index){
		aMenuParent1[index].onmouseover=function(){
			aMenuChild1[index].style.left=aMenuParent1[index].offsetLeft+"px";
			aMenuChild1[index].style.visibility="visible";
			clearTimeout(oMenuTime1);
			setMenuClear(index);
		}
		aMenuParent1[index].onmouseout=function(){
			setMenuTime(index);
		}
		aMenuChild1[index].onmouseover=function(){
			clearTimeout(oMenuTime1);
		}
		aMenuChild1[index].onmouseout=function(){
			setMenuTime(index);
		}
	}
	aItems=document.getElementById("menu").getElementsByTagName("li");
	for(i=0;i<aItems.length;i++){
		if(aItems[i].className.indexOf("menuchild")!=-1){
			aMenuChild1.push(aItems[i]);
			aMenuParent1.push(aItems[i-1]);
		}
	}
	for(i=0;i<aMenuParent1.length;i++){
		setMenu2(i);
	}
}

if(document.getElementById("menu")) {
	setMenu();
}