function expandmenu(s,parent)
{

 	if (s.name == "normal") 
 	    {			
        // do nothing no submenu
		}
	else 
	    {
        var dt = document.getElementById(parent);
        var td = s;
		td.className = "NavHover";
		dt.className = "NavHover";
		}
}		

function collaspemenu(s,parent)
{
	    
	 if (s.name == "normal") 
	 	{			
	 	// do nothing no sub menu
		}
	else 
	    {
		var td = s;
	    var dt = document.getElementById(parent);
		td.className = "NavNormal";
		dt.className = "NavNormal";
		}
}