Importation images_name et images_description

	function _getFilesExtraData(&$files, &$product,$type='files'){
		$variables = array('name','description','ordering','limit','free_download');
		foreach($variables as $var){
			$name = $type.'_'.$var;
			if(empty($product->$name)) continue;
			$array = $this->_separate($product->$name);
			if(count($array) != count($files)) continue;
			$key = 'file_'.$var;
			foreach($files as $k => $file){
				$files[$k]->$key = $array[$k];
			}
		}
	}

	function _separate(&$files){
		$separator='';
		foreach($this->listSeparators as $sep){
			$pos = strpos($files,$sep);
			if(preg_match('#(?!\\\\)'.$sep.'#',$files)){
				$separator = $sep;
				$files=str_replace('\\'.$separator,'#.#.#.#',$files);
				break;
			}
		}
		if(!empty($separator)){
			$files = explode($separator,$files);
		}else{
			$files = array($files);
		}
		foreach($files as $k => $v){
			$files[$k]=str_replace('#.#.#.#',$separator,$v);
		}
	}