function setOutline($visible = true, $symbols_below = true, $symbols_right = true, $auto_style = false)
	{
		$this->_outline_on	= $visible;
		$this->_outline_below = $symbols_below;
		$this->_outline_right = $symbols_right;
		$this->_outline_style = $auto_style;

		// Ensure this is a boolean vale for Window2
		if ($this->_outline_on) {
			$this->_outline_on = 1;
		}
	 }