function map($field, $value, $fieldinfo) {
		extract($fieldinfo);
		$setting = string2array($setting);
		$size = $setting['size'];
		$errortips = $this->fields[$field]['errortips'];
		$modelid = $this->fields[$field]['modelid'];
		$tips = $value ? L('editmark','','map') : L('addmark','','map');
		return '<input type="button" name="'.$field.'_mark" id="'.$field.'_mark" value="'.$tips.'" class="button" onclick="omnipotent(\'selectid\',\''.APP_PATH.'api.php?op=map&field='.$field.'&modelid='.$modelid.'\',\''.L('mapmark','','map').'\',1,700,420)"><input type="hidden" name="info['.$field.']" value="'.$value.'" id="'.$field.'" >';
	}