//edvo

function ShowHide(menuID) 
{ 
var menuObj = "link" + menuID 
var cellbk = "head" + menuID 
if (document.getElementById(menuObj).className == "LINKSON"){ 
   document.getElementById(menuObj).className = "LINKSOFF"; 
   document.getElementById(cellbk).style.backgroundColor = "blue";            
   } else { 
   document.getElementById(menuObj).className = "LINKSON";    
   document.getElementById(cellbk).style.backgroundColor  = "blue";            
   } 
}