title: load external URL into modal jquery ui dialog
body: <p>why doesn't this display ibm.com into a 400x500px modal? The  section appears to be correct, but it doesn't cause the popup modal to appear.</p>
  
  <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"&gt;
  &lt;html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"&gt;
  
  &lt;head&gt;
  &lt;title&gt;test&lt;/title&gt;
  &lt;meta http-equiv="content-type" content="text/html;charset=utf-8" /&gt;
  
  &lt;link rel="stylesheet" type="text/css" media="screen" href="css/jquery-ui-1.8.23.custom.css"/&gt;
  
  &lt;/head&gt;
  
  &lt;body&gt;
  
  &lt;p&gt;First open a modal &lt;a href="http://ibm.com" class="example"&gt; dialog&lt;/a&gt;&lt;/p&gt;
  
  &lt;/body&gt;
  
  &lt;!--jQuery--&gt;
  &lt;script src="http://code.jquery.com/jquery-latest.pack.js"&gt;&lt;/script&gt;
  &lt;script src="js/jquery-ui-1.8.23.custom.min.js"&gt;&lt;/script&gt;
  
  &lt;script type="text/javascript"&gt;
  function showDialog(){
      $(".example").dialog({
      height: 400,
              width: 500,
              modal: true 
  return false;   
  }
   &lt;/script&gt;
  
  &lt;/html&gt;
  </code></pre>