loadTopMenu = function() 
	{	
	if (document.all&&document.getElementById) 
	 {		
	  menunavParent = document.getElementById("nav");	
		
	   for (x=0; x < menunavParent.childNodes.length; x++) 
	     {		
	        menunode = menunavParent.childNodes[x];
				
	           if (menunode.nodeName=="LI") 
	             {			
	              menunode.onmouseover=function() 
	                {				
	                this.className+=" over";			
	                }			
	                menunode.onmouseout=function() 
	                {				
	                  this.className=this.className.replace(" over", "");
		  }
	           }
	        }
	     }
	}
	
	window.onload=loadTopMenu;