Index: branches/version-2_4-dev/data/class/helper/SC_Helper_PageLayout.php
===================================================================
--- branches/version-2_4-dev/data/class/helper/SC_Helper_PageLayout.php	(revision 18493)
+++ branches/version-2_4-dev/data/class/helper/SC_Helper_PageLayout.php	(revision 18550)
@@ -51,5 +51,5 @@
         if ($preview === false) {
             if ($url == "") {
-                $url = "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
+                $url = SITE_URL . preg_replace('|^' . preg_quote(URL_DIR) . '|', '' , $_SERVER['PHP_SELF']);
             }
             // URLを元にページデザインを取得