use special class when default text is set

www/register.php

@@ -117,7 +117,7 @@ $form->addElement(
 )
 ->setLabel(T_('Antispam question'))
 ->setBackgroundText($GLOBALS['antispamQuestion'])
-->setBackgroundClass('deact')
+->setBackgroundClass('inacttext')
 ->addRule(
     'callback',
     T_('Antispam answer is not valid. Please try again.'),

www/scuttle.css

@@ -540,6 +540,9 @@ form th {
 form table {
 	margin: 0 1em;
 }
+form input.inacttext {
+    color: #888;
+}
 h3 {
 	background: #DDD;
 	color: #555;