diff -r 968dbd07be9a install.php
--- a/install.php	Tue Dec 11 11:23:24 2007 +0900
+++ b/install.php	Wed Dec 12 12:16:34 2007 +0900
@@ -266,18 +266,6 @@ if ($INSTALL['stage'] == DIRECTORY) {
 /// Try to connect to the database. If that fails then try to create the database
 
 if ($INSTALL['stage'] == DATABASE) {
-
-    /// different format for postgres7 by socket
-    if ($INSTALL['dbtype'] == 'postgres7' and ($INSTALL['dbhost'] == 'localhost' || $INSTALL['dbhost'] == '127.0.0.1')) {
-        $INSTALL['dbhost'] = "user='{$INSTALL['dbuser']}' password='{$INSTALL['dbpass']}' dbname='{$INSTALL['dbname']}'";
-        $INSTALL['dbuser'] = '';
-        $INSTALL['dbpass'] = '';
-        $INSTALL['dbname'] = '';
-
-        if ($INSTALL['prefix'] == '') { /// must have a prefix
-            $INSTALL['prefix'] = 'mdl_';
-        }
-    }
 
     if ($INSTALL['dbtype'] == 'mysql') {  /// Check MySQL extension is present
         if (!extension_loaded('mysql')) {