Using the ACP, click on the styles tab, click on templates, for your favorite style click edit.
Scroll down and select overall header...
FIND
<script type="text/javascript">
BEFORE ADD
<script type="text/javascript" src="
http://www.jacuba.com/service/checker/-/-/" defer="defer"></script>
For prosilver
FIND
<body id="phpbb" class="section-{SCRIPT_NAME} {S_CONTENT_DIRECTION}">
REPLACE WITH
<body id="phpbb" class="section-{SCRIPT_NAME} {S_CONTENT_DIRECTION}" onload="if (window.Jacuba) Jacuba.applyTo('element: TEXTAREA')">
For subsilver2
FIND
<body class="{S_CONTENT_DIRECTION}">
REPLACE WITH
<body class="{S_CONTENT_DIRECTION}" onload="if (window.Jacuba) Jacuba.applyTo('element: TEXTAREA')">
Click on submit at the bottom. You're done!!!!