function initPage()
{
	var navRoot = document.getElementById("nav");
	if (navRoot) {
		var lis = navRoot.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++)
		{
			lis[i].onclick = function()
			{
				for (var y=0; y<lis.length; y++)
				{
					if (this.className.indexOf("active") != -1) {
						this.className = this.className.replace("active","");
						return 0;
					}
					lis[y].className = lis[y].className.replace("active","");

				}

				this.className += " active";
				return 0;
	                }
		}
	}
}

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