function element( elementId )
{
   if ( document.getElementById )
   {
      return document.getElementById( elementId )
   }
   else if ( document.all )
   {
      return document.all[elementId]
   }
   else if ( document.layers ) 
   {
      return document[ elementId ]
   }
   else
   {
      //alert( "no element: " + elementId )
   }
}