Allow onload attribute on iframe element

Aleksander Machniak

2013-04-17 fe626833af5bcb251ae7d78afa863b896cb70547

 program/lib/Roundcube/html.php

@@ -218,7 +218,7 @@
            $attr = array('src' => $attr);
        }
        return self::tag('iframe', $attr, $cont, array_merge(self::$common_attrib,
            array('src','name','width','height','border','frameborder')));
            array('src','name','width','height','border','frameborder','onload')));
    }

    /**