title: DatePicker not working inside a modal
body: <p>I have a site and <a href="http://pastebin.com/WHHMnh3S" rel="noreferrer">here is a link</a>, When you click on textfield you can see the DatePicker working
  But iF you click on I<code>mportFriend -&gt; Add Manual Friend -&gt;</code> then if you click on birthday field the datepicker never appears.I can see through firebug that the field got the <code>hasDatePicker</code> attribute.
  I am not sure what making it not to show the datepicker,anyone who can help me please thanks</p>