if (is_null($filepathname)) {
		if {
            $filepathname = $url_prefix[$pic_row['url_prefix']]. path2url($pic_row['filepath']. $pic_prefix[$mode]. $pic_row['filename']);
		}
		elseif {
            $filepathname = $cheminsite1. path2url($pic_row['filepath']. $pic_prefix[$mode]. $pic_row['filename']);
		}
		elseif {
            $filepathname = $cheminsite2. path2url($pic_row['filepath']. $pic_prefix[$mode]. $pic_row['filename']);
		}
        }