Index: branches/version-2_5-dev/html/install/index.php
===================================================================
--- branches/version-2_5-dev/html/install/index.php	(revision 20732)
+++ branches/version-2_5-dev/html/install/index.php	(revision 20745)
@@ -749,4 +749,7 @@
 
     if(count($objErr->arrErr) == 0) {
+        if (!defined("DB_TYPE")) {
+            define("DB_TYPE", $arrRet['db_type']);
+        }
         // 接続確認
         $dsn = $arrRet['db_type']."://".$arrRet['db_user'].":".$arrRet['db_password']."@".$arrRet['db_server'].":".$arrRet['db_port']."/".$arrRet['db_name'];