how can i place google adsense within postbit

[PAKIDIL]

i used this code to show the ads as specific .
In Postbit Template

Find:

    <!-- / message -->

Add below:

    <if condition="(($post[postcount]==1) or ($post[islastshown] and !$GLOBALS['vbulletin']->GPC['ajax']))">
    <center>
    <script type="text/javascript"><!--
    google_ad_client = "youradsensecode";
    google_alternate_ad_url = "http://www.yourwebsite.com/collapsible_ad.html";
    google_ad_width = 468;
    google_ad_height = 60;
    google_ad_format = "468x60_as";
    google_ad_type = "text_image";
    google_ad_channel ="yourchannelcode";
    google_color_border = "F5F5FF";
    google_color_bg = "F5F5FF";
    google_color_link = "FF0000";
    google_color_url = "000000";
    google_color_text = "22229C";
    //--></script>
    <script type="text/javascript"
    src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
    </script>
    </center>
    </if>

how to add forum id in it i tried to replace the codes with this

<if condition="(($post[postcount]==1) or ($post[islastshown] and !in_array($GLOBALS['forumid'], array(46,51,58,69,75,95,97,100,103))">
<center>
google ad
</center>
</if>

but getting error malfunction conditional statement error .