//dynamic top navigation
initNav = function() {
	var navRoot = document.getElementById("nav");
	var lis = navRoot.getElementsByTagName("li");
	for (var i=0; i<lis.length; i++)
	{
		if ((lis[i].className.indexOf("active") == -1)&&(lis[i].getElementsByTagName("ul").length == 1))
		{
			lis[i].onmouseover = function()
			{
				this.className += " hover";
			}
			lis[i].onmouseout = function()
			{
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}
if (document.all && window.attachEvent)
	attachEvent("onload", initNav);