<!--
function showhide (element) {

      var panel = document.getElementById(element);
      if (panel != null)
      {
         if (panel.style.visibility == "hidden" || panel.style.visibility == "")
         {
            panel.style.display = "block";
            panel.style.visibility = "visible";
         } else {
            panel.style.display = "none";
            panel.style.visibility = "hidden";   
         }
      }
}
//-->