-<form action="{!URL!}/modules.php?module=admin&what=lock_user&uid={!__UID!}" method="post">
-<table border="0" cellspacing="0" cellpadding="0" width="500" align="center" class="admin_table dashed">
+<form accept-charset="utf-8" action="{%url=modules.php?module=admin&what=lock_user&userid=$content[userid]%}" method="post">
+<table border="0" cellspacing="0" cellpadding="0" class="admin_table dashed">