Index: branches/version-2_13-dev/data/class/SC_Image.php
===================================================================
--- branches/version-2_13-dev/data/class/SC_Image.php	(revision 22856)
+++ branches/version-2_13-dev/data/class/SC_Image.php	(revision 23086)
@@ -87,7 +87,4 @@
         $ThmMaxHeight = LARGE_IMAGE_HEIGHT;
 
-        //サムネイル画像の接頭文字
-        $PreWord = $head;
-
         //拡張子取得
         $array_ext = explode('.', $FromImgPath);
@@ -143,5 +140,5 @@
         $tmp = array_pop(explode('/',$FromImgPath)); // /の一番最後を切り出し
         $FromFileName = array_shift(explode('.',$tmp)); // .で区切られた部分を切り出し
-        $ToFile = $PreWord.$FromFileName; // 拡張子以外の部分までを作成
+        $ToFile = $FromFileName; // 拡張子以外の部分までを作成
 
         $ImgNew = imagecreatetruecolor($re_size[0],$re_size[1]);