title: how to post to iframe
body: <p>ive been searching but nothing seems to fit with my situation.</p>
  
  <p>i have a form for adding person data. within the form i have an iframe which is also a form for adding relatives data. i need the personID to have like the fkey for the relative.</p>
  
  <p>i dont know how to access the personID. how can i do this? i want to use jquery or ajax</p>
  
  <pre><code>&lt;iframe height="400px" width="100%" src="relativeForm.php" name="iframe_relativeForm" id="iframe_relativeForm"&gt;&lt;/iframe&gt;
  </code></pre>