Index: trunk/kernel/include/category.php
===================================================================
diff -u -N -r3154 -r3162
--- trunk/kernel/include/category.php	(.../category.php)	(revision 3154)
+++ trunk/kernel/include/category.php	(.../category.php)	(revision 3162)
@@ -42,7 +42,14 @@
      {
      	$not_allowed = Array(' ', '\\', '/', ':', '*', '?', '"', '<', '>', '|');
      	$string = str_replace($not_allowed, '_', $string);
-     	return preg_replace('/(_+)/', '_', $string);
+     	$string = preg_replace('/(_+)/', '_', $string);
+     	
+     	while( preg_match('/(.*)_([\d]+)$/', $string, $rets) )
+		{
+			$string = $rets[1];
+		}
+     	
+     	return $string;
      }
      
      function GenerateFilename()