function initPage()
{
	var navRoot = document.getElementById("nav");
	var lis = navRoot.getElementsByTagName("li");
	for (var i=0; i<lis.length; i++)
	{
		lis[i].onmouseover = function()
		{
			if (this.getElementsByTagName("div")[0]){
				this.className += " hover";
			}
		}
		lis[i].onmouseout = function()
		{
			this.className = this.className.replace("hover","");
		}
	}
}

if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);