Index: branches/version-2_4/data/class/pages/LC_Page.php
===================================================================
--- branches/version-2_4/data/class/pages/LC_Page.php	(revision 17765)
+++ branches/version-2_4/data/class/pages/LC_Page.php	(revision 18285)
@@ -251,15 +251,11 @@
 
         // HTML_PATH を削除した文字列を取得.
-        // FIXME OS依存の処理は別クラスに分ける？
         // Windowsの場合は, ディレクトリの区切り文字を\から/に変換する
-        if (substr(PHP_OS, 0, 3) == 'WIN') {
-            $realPath = str_replace("\\", "/", $realPath);
-            $htmlPath = str_replace("\\", "/", HTML_PATH);
-            $rootPath = str_replace($htmlPath, "", $realPath);
-        } else {
-            $htmlPath = rtrim(HTML_PATH, "/");
-            $rootPath = str_replace($htmlPath, "", $realPath);
-            $rootPath = ltrim($rootPath, "/");
-        }
+        $realPath = str_replace("\\", "/", $realPath);
+        $htmlPath = str_replace("\\", "/", HTML_PATH);
+
+        $htmlPath = rtrim($htmlPath, "/");
+        $rootPath = str_replace($htmlPath, "", $realPath);
+        $rootPath = ltrim($rootPath, "/");
 
         return $rootPath;