function SlideLayer(Num)
   {
   var el = document.getElementById(Num);
   if (el.style.display==«none»)
      {
         el.style.display=«block»;
         el.style.position=«absolute»;
      }
   }
         
function SlideLayerHide(Num)
   {
   var el = document.getElementById(Num);
   if (el.style.display==«block»)
      {
         el.style.display=«none»;
         el.style.position=«absolute»;
      }
   }