Index: trunk/globals.php
===================================================================
diff -u -r256 -r278
--- trunk/globals.php	(.../globals.php)	(revision 256)
+++ trunk/globals.php	(.../globals.php)	(revision 278)
@@ -645,8 +645,7 @@
           $found = FALSE;
           if(is_array($_FILES))
           {
-            if($_FILES[$r]["size"]>0)
-                $found=TRUE;
+            if( isset($_FILES[$r]) && $_FILES[$r]['size'] > 0 ) $found = TRUE;
           }
         
           if(!strlen(trim($_POST[$r])) && !$found)