//dynamic top navigation
initNav = function() {
	var navs = document.getElementsByTagName("ul");
	for (var j=0; j<navs.length; j++)
	{
		if (navs[j].className.indexOf("nav") != 1)
		{
			var lis = navs[j].getElementsByTagName("li");
			for (var i=0; i<lis.length; i++)
			{
				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);