session_start(); if ( strlen($_REQUEST['afid']) ) { session_register('afid'); $_SESSION['afid'] = $_REQUEST['afid']; } function SESS() { $str = "PHPSESSID=".session_id(); return $str; } function AF_INFO( $oid ){ if ( strlen($_SESSION['afid']) ) return "http://www.preaf.jp/pa.do?".$oid."&afid=".$_SESSION['afid']; else return "http://www.preaf.jp/pa.do?s=s00097&".$oid; } ?>