* <tt>'Select Rows'</tt>), but the automatic check all/none behavior will only work if the\r
* <tt>'x-grid3-hd-checker'</tt> class is supplied.\r
*/\r
* <tt>'Select Rows'</tt>), but the automatic check all/none behavior will only work if the\r
* <tt>'x-grid3-hd-checker'</tt> class is supplied.\r
*/\r