code: function(elTable) {
      SDT.superclass._initTbodyEl.call(this, elTable);
      
      // Bug 2105534 - Safari 3 gap
      // Bug 2492591 - IE8 offsetTop
      elTable.style.marginTop = (this._elTbody.offsetTop > 0) ?
              "-"+this._elTbody.offsetTop+"px" : 0;
  }
docs: Initializes ScrollingDataTable TBODY element for data
  
  @method _initTbodyEl
  @param elTable {HTMLElement} TABLE element into which to create TBODY .
  @private