function initMenu() 
{
	var nav = document.getElementById("nav");
	if(nav)
	{
		var lis = nav.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++)
		{
			lis[i].onmouseover = function()
			{
				this.className += " hover";
				var divs = this.getElementsByTagName("div");
				if(divs.length > 0)
					divs[0].style.width = this.offsetWidth - 2 + "px";
			}
			lis[i].onmouseout = function()
			{
				this.className = this.className.replace("hover", "");
			}
		}
	}
}
if (window.addEventListener) 
	window.addEventListener("load", initMenu, false);
else if (window.attachEvent) 
	window.attachEvent("onload", initMenu);