Index: /temp/trunk/html/test/uehara/captcha/ajax_captcha/create_image.php
===================================================================
--- /temp/trunk/html/test/uehara/captcha/ajax_captcha/create_image.php	(revision 10467)
+++ /temp/trunk/html/test/uehara/captcha/ajax_captcha/create_image.php	(revision 10468)
@@ -28,20 +28,13 @@
     $white = ImageColorAllocate($image, 255, 255, 255); 
     $black = ImageColorAllocate($image, 0, 0, 0); 
-    $grey = ImageColorAllocate($image, 204, 204, 204); 
 
     // 背景色
-    ImageFill($image, 0, 0, $white); 
+    ImageFill($image, 0, 0, $black); 
 
     // 生成したコードを表示
-    ImageString($image, 3, 30, 3, $security_code, $black); 
-/*
-    //Throw in some lines to make it a little bit harder for any bots to break 
-    ImageRectangle($image,0,0,$width-1,$height-1,$grey); 
-    imageline($image, 0, $height/2, $width, $height/2, $grey); 
-    imageline($image, $width/2, 0, $width/2, $height, $grey); 
-*/ 
-    //Tell the browser what kind of file is come in 
+    ImageString($image, 3, 30, 3, $security_code, $white); 
+
+    // jpagで出力 
     header("Content-Type: image/jpeg"); 
-    // jpagで出力 
     ImageJpeg($image); 
     ImageDestroy($image);