// apply css styles on <table> row mouseover
      // set tableId in html
      /* var tableId = ""; */

      /* if (tableId == null) return; */

   var rows = document.getElementById(tableId).getElementsByTagName('tr');
   var lngth = rows.length;
   for ( i=0; i<lngth; i++ ) {
      rows[i].onmouseover = function() {
         this.className="mouseOn";
      };
      rows[i].onmouseout = function() {
         this.className="mouseOff";
      };
   }