I need help html

well i wanted to get ads for my site rite so they tell me to put this on my site its html but when i insert it the buton doesnt come up ive tried it like 20 times

here the text starting at the thingo next line
<script type="text/javascript"><!--
google_ad_client = "pub-3699656239699065";
google_ad_width = 468;
google_ad_height = 60;
google_ad_format = "468x60_as_rimg";
google_cpa_choice = "CAAQj6eVzgEaCOpX72ptGBY-KOm293MwAA";
google_ad_channel = "";
//-->
</script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>


Can anyone help me

 

this is easy man.. get the code, go into ur user cp (www.yoursite.com/usercp) and add the html into your page. its not that difficult

if its a banner put <center> tags infront </center> behind

 

Also depends on what your site IS exactly