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.attachEvent("onload", ieHover);
}