Oh, I see.  It&#39;s a simple reason.  Thanks for pointing it out.  I will be careful.<div><br></div><div>soichi<br><br><div class="gmail_quote">2011/6/2 Tomas Hlavaty <span dir="ltr">&lt;<a href="mailto:tom@logand.com">tom@logand.com</a>&gt;</span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hi soichi,<br>
<div class="im"><br>
&gt; May I ask why I shouldn&#39;t do this ?<br>
<br>
</div>data protection, privacy.  Some people don&#39;t like being spied on, esp by<br>
untrusted third-parties not related to your website content.  But this<br>
goes beyond your original technical question.<br>
<br>
Cheers,<br>
<font color="#888888"><br>
Tomas<br>
</font></blockquote></div><br></div>