initNav = function() {
	if (document.all && document.getElementById) 
	{
		var navRoot = document.getElementById("nav");
        if (navRoot)
        {
		    var lis = navRoot.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);
}