well this is the code 4 de button
echo ($current_action=='forum' || $context['browser']['is_ie4']) ? '<td class="maintab_active_first"> </td>' : '' , '
<td valign="top" class="maintab_' , $current_action=='forum' ? 'active_back' : 'back' , '">
<a href="', $scripturl, '?action=forum">'.$txt['tp-forum'].'</a>
</td>' , $current_action=='forum' ? '<td class="maintab_active_last"> </td>' : '';
can ane1 temme how can I create a link button that is, I want to jump to link www.xxxxx.com when some1 click on the button