diff -r 62e1a6f3de84 -r b8fd21190ae1 plugins/SpecialUserFuncs.php
--- a/plugins/SpecialUserFuncs.php	Wed Jan 23 19:36:16 2008 -0500
+++ b/plugins/SpecialUserFuncs.php	Wed Jan 23 19:36:42 2008 -0500
@@ -755,6 +755,7 @@
           }
           function regenCaptcha()
           {
+            var frm = document.forms.regform;
             document.getElementById('captchaimg').src = '<?php echo makeUrlNS("Special", "Captcha/"); ?>'+frm.captchahash.value+'/'+Math.floor(Math.random() * 100000);
             return false;
           }