title: How can I send a data to an iframe from main page when I working another iframe?
body: <p>I have a question about data transfer on iframes as can be seen in the picture below</p>
  
  <p><a href="http://img703.imageshack.us/img703/143/qcvf.jpg" rel="nofollow">http://img703.imageshack.us/img703/143/qcvf.jpg</a></p>
  
  <p>My main page has 2 iframe. 
  How can I send a data to textbox iframe_b from main page when I working  iframe_a?</p>
  
  <p>Thanks.</p>