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ad[2]='http://dl.birup.com/birbuy/Baner/100Film.gif';
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ad[6]='http://dl.birup.com/Pic/Baner3/Amoozesh.gif';
ad[7]='http://dl.birup.com/birbuy/Baner/Card.gif';

var links=new Array() 

links[0]='http://1.birbuy.com/content-83.html';
links[1]='http://1.birbuy.com/content-86.html';
links[2]='http://1.birbuy.com/content-84.html';
links[3]='http://1.birbuy.com/content-85.html';
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links[5]='http://1.birbuy.com/content-82.html';
links[6]='http://1.birbuy.com/content-70.html';
links[7]='http://1.birbuy.com/content-87.html';

var xy=Math.floor(Math.random()*ad.length);
document.write('<a href="'+links[xy]+'" target="_blank"><img src="'+ad[xy]+'" width="'+img_width+'" height="'+img_height+'" border="0"></a>');