// activate backgroundimage-cache for ie
function NoCache()
{
	try {
	  document.execCommand("BackgroundImageCache", false, true);
	} catch(err) {}
}

function ieHover() 
{
	var lis = document.getElementsByTagName("LI");
	for (var ii=0; ii<lis.length; ii++) {
		lis[ii].onmouseover=function() {
			this.className+=" hover";
		}
		lis[ii].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" hover\\b"), "");
		}
	}
}

if (window.attachEvent)
{
	window.attachEvent('onload',ieHover);
	window.attachEvent("onLoad",NoCache());
}