facebook profile pic not working in div tag in firefox -

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  <div>       <img src='http://graph.facebook.com/<?php $user->id ?>/picture'/>; </div>

this code m using facebook profile pic in div ,this div tag running in java script ,when run code in chrome works well,but in firefox blink , image comes,pls in advance

you need show more code, need echo user id: 

<img src='http://graph.facebook.com/<?php echo $user->id ?>/picture' alt='' />

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