var box;
var helpid;
     function Hide(id)
        {
          id.style.visibility="hidden";
         }
     function Help(id,i)
        {
          if (id.style.visibility=="visible")
             Hide(id)
            else 
              {
                if (box!=null) Hide(box);
                box=id;
                id.style.left=210;
                id.style.border="4px double navy"; 
                id.style.visibility="visible";
              }
         }