JQM 1.3.0. Panel

JQM 1.3.0. Panel

$('#panel').live('pagecreate', function() {
      $('#defaultpanel').panel("open");
....
}

caused this:
Uncaught Error: cannot call methods on panel prior to initialization; attempted to call method 'open' at http://code.jquery.com/jquery-1.8.2.min.js:2

Any suggestions?

Thanks in advance