code: function (oRecord) {
      var elTrTemplate = this._getTrTemplateEl();
      
      // Clone the TR template.
      var elTr = elTrTemplate.cloneNode(true);
      
      // Populate content
      return this._updateTrEl(elTr,oRecord);
  }
docs: Create a new TR element for a given Record and appends it with the correct
  number of Column-state-classed TD elements. Striping is the responsibility of
  the calling function, which may decide to stripe the single row, a subset of
  rows, or all the rows.
  @method _createTrEl
  @param oRecord {YAHOO.widget.Record} Record instance
  @return {HTMLElement} The new TR element.  This must be added to the DOM.
  @private