<attach event="onmouseover" handler="hoverRollOver" />
<attach event="onmouseout" handler="hoverRollOff" />

<script type="text/javascript">
function hoverRollOver() {
	element.origClassName = element.className;	// backup origonal className
	var tempClassStr = element.className;		
	tempClassStr += "Hover";					// convert name+'Hover' the last class name	to emulate tag.class:hover
	tempClassStr = tempClassStr.replace(/\s/g,"Hover ");	//convert name+'Hover' the others to emulate tag.class:hover
	tempClassStr += " hover";				// add simple 'hover' class name to emulate tag:hover
	element.className = element.className + " " + tempClassStr; 
	//window.status = element.className;		// only for TEST
}
function hoverRollOff() {
	element.className = element.origClassName;
}

</script>