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

if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initPage);