Redirecting page by js

<a href="http://ashique12009.files.wordpress.com/2011/06/js.jpg"><img src="http://ashique12009.files.wordpress.com/2011/06/js.jpg" alt="" title="js" width="157" height="127" class="alignnone size-full wp-image-24" /></a>
<strong>this works fine for every browser</strong>
<strong>window.location.href='url';</strong>