	function textarea($field, $value, $fieldinfo) {
		extract($fieldinfo);
		$setting = string2array($setting);
		extract($setting);
		if(!$value) $value = $defaultvalue;
		$allow_empty = 'empty:true,';
		if($minlength || $pattern) $allow_empty = '';
		if($errortips) $this->formValidator .= '$("#'.$field.'").formValidator({'.$allow_empty.'onshow:"'.$errortips.'",onfocus:"'.$errortips.'"}).inputValidator({min:1,onerror:"'.$errortips.'"});';
		$value = empty($value) ? $setting['defaultvalue'] : $value;
		return "<textarea name='info[{$field}]' id='$field' style='width:{$width}%;height:{$height}px;' $formattribute $css $this->no_allowed>{$value}</textarea>";
	}
