Wrap Javascript advertisement around text in first post

[MentaL]

Hi,

Im having trouble getting my adbrite javascript code to wrap correctly, anyone able to help?

Thanks

<!-- message -->
<!--Intergrated advertisement first post guest-->
<if condition="$show['guest'] AND $post[postcount] == 1">
<div style="float:right">
adbrite code
</div>
</if>
<!--Intergrated advertisement first post guest-->

<div id="post_message_$post[postid]">
            $ad_location[ad_showthread_firstpost_start]
            $post[message]
        </div>
        <!-- / message -->