cara pasang 2 iklan adsense

<div expr:id='"post1" + data:post.id'/>
<div class='googlepublisherads' style='margin:20px 0'>
<center>
--KODE ADSENSE 1 HASIL PARSE--
</center>
</div>
<div expr:id='"post2" + data:post.id'><data:post.body/></div>
<div class='googlepublisherads' style='margin:20px 0'>
<center>
--KODE ADSENSE 2 HASIL PARSE--
</center>
</div>
<div expr:id='"post3" + data:post.id' />
<script type='text/javascript'>
var ads1=1/5;
var ads2=4/5;
var a=document.getElementById("post1<data:post.id/>");
var b=document.getElementById("post2<data:post.id/>");
var c=document.getElementById("post3<data:post.id/>");
var html=b.innerHTML;
var n=html.length;
var t=html.substr(0,n*ads1);
var i=t.lastIndexOf("<br>");
var t2=html.substr(0,n*ads2);
var i2=t2.lastIndexOf("<br>");
if(i>0 && i2>0){
a.innerHTML=html.substr(0,i);
b.innerHTML=html.substr(i+4,i2);
c.innerHTML=html.substr(i2+4);
}</script>