function setMenuArrow(){
	function setMenuArrow2()
	{
		if(typeof(oSelected)=="undefined") oArrow.style.visibility="hidden";
		else {
			oArrow.style.left=oSelected.offsetLeft+oSelected.offsetWidth/2-9+"px";
			oArrow.style.visibility="visible";
		}
	}
	oArrow=document.getElementById("menuarrow").getElementsByTagName("img")[0];
	aItems=document.getElementById("menu").getElementsByTagName("li");
	for(i=0;i<aItems.length;i++){
		if(aItems[i].className.indexOf("selected")!=-1) {
			oSelected=aItems[i];
		}
	}
	setMenuArrow2();
	for(i=0;i<aItems.length;i++){
		if(aItems[i].id!="menuarrow"){
			aItems[i].onmouseover=function(){
				oArrow.style.left=this.offsetLeft+this.offsetWidth/2-9+"px";
				oArrow.style.visibility="visible";
			}
			aItems[i].onmouseout=function(){
				setMenuArrow2();
			}
		}
	}
}

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