function ieHover()
{
	var dropdown = document.getElementsByTagName("ul");
	for (var x=0; x<dropdown.length; x++){
		if (dropdown[x].className.indexOf("drop-down") != -1){
			var nodes = dropdown[x].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);
}