function ieHover()
{
	var nav = document.getElementById("nav");
	if (nav)
	{
		var nodes = nav.getElementsByTagName("li");
		for (var i=0; i<nodes.length; i++)
		{
			nodes[i].onmouseover = function() 
			{
				this.className += " hover";
			}
			nodes[i].onmouseout = function()
			{
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}

if (window.attachEvent && !window.opera){
	window.attachEvent("onload", ieHover);
}
function safari() {
	if ((navigator.userAgent.indexOf("Mac") != -1) && (navigator.userAgent.indexOf("Firefox") != -1)) {
		document.getElementsByTagName("body")[0].className += " ff-mac";
	}
}
if (window.addEventListener)
	window.addEventListener("load", safari, false);