function SetupMenus()
{
	var sfEls = document.getElementById("productnavigation").getElementsByTagName("LI");  
	
	for (var i=0; i<sfEls.length; i++) {
	         sfEls[i].onmouseover=function() {
	                      this.className+=" sfhover";         
							} 
							
				sfEls[i].onmouseout=function() {  
				
					this.className=''; //this.className.replace(new RegExp(" sfhover\\b"), "");         
					
					}     
			} 
}

YAHOO.util.Event.addListener(window,'load',function(){SetupMenus()});