// turn on menu highlighting

function on(val) {

   // get specific div item, identified by node index
   var itm = document.getElementById(val);
   var txt = document.getElementById(val+"text");

   // turn on menu tip display
   txt.style.display="block";

   // set style properties
   //itm.style.backgroundColor="green";
   //itm.style.color="yellow"
   //itm.style.fontWeight = 700;
}

// turn off menu highlighting
function off(val) {

   // get specific div item, identified by node index
   var itm = document.getElementById(val);
   var txt = document.getElementById(val+"text");

   // turn off menu tip display
   txt.style.display="none";

   // set style properties
   //itm.style.backgroundColor="white";
   //itm.style.color="black"
   //itm.style.fontWeight = 400;
   //txt.style.display="none";
}