function ShowHideLayer(id) {
   var e = document.getElementById(id);
   if ( e ) {
     if ( e.className == "hide" ) e.className = "";
     else e.className = "hide";
   }
   return false;
}

window.onload = function() {
   var e = document.getElementById("TISdata");
   if ( e ) e.className = "hide";
   e = document.getElementById("TIStoggle");
   e.className = "";
}