public function setFormatCode($pValue = PHPExcel_Style_NumberFormat::FORMAT_GENERAL)
	{
		if ($pValue == '') {
			$pValue = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
		}
		if ($this->_isSupervisor) {
			$styleArray = $this->getStyleArray(array('code' => $pValue));
			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
		} else {
			$this->_formatCode = $pValue;
			$this->_builtInFormatCode = self::builtInFormatCodeIndex($pValue);
		}
		return $this;
	}