--- lib/class.tx_commerce_element_alib.php.old	2010-08-26 17:24:29.000000000 +0200
+++ lib/class.tx_commerce_element_alib.php	2010-08-26 17:37:21.000000000 +0200
@@ -240,10 +240,14 @@
  	 * @param $fieldname Databas fieldname
  	 * @todo Add Check if field exists in Database
  	 */
- 	
- 	function add_field_to_fieldlist($fieldname){
- 		array_push($this->fieldlist, trim($fieldname));
+	function add_field_to_fieldlist($fields) {
+		if (is_array($fields)) {
+			$this->fieldlist = array_merge($this->fieldlist, $fields);
+		} else {
+			array_push($this->fieldlist, trim($fields));
  	}
+	}
+
  	/**
  	 * Addes a fields to Class fieldlist
  	 * used for hook to add own fields to output
@@ -251,12 +255,8 @@
  	 * @param $fieldlistr arary of databse filednames
  	 * @todo Add Check if field exists in Database
  	 */
- 	
  	function add_fields_to_fieldlist($fieldarray){
- 		foreach ($fieldarray as $newfield){
- 			$this->add_field_to_fieldlist($newfield);
- 		}
- 		
+		$this->add_field_to_fieldlist($fieldarray);
  	}
  	
 	/**