function SlideLayerMenu(Num)
   {
   var el = document.getElementById(Num);
   if (el.style.display=="none")
      {
         el.style.display="block";
        // el.style.position="inherit";
      }
   }
         
function SlideLayerHideMenu(Num)
   {
   var el = document.getElementById(Num);
   if (el.style.display=="block")
      {
         el.style.display="none";
       //  el.style.position="inherit";
      }
   }