title: Select all element with a not null id, in jQuery
body: <p>I want to implement .draggable class to all elements in my document, with an existing id using jQuery 1.4.2</p>
  
  <pre><code>&lt;div id="blabla"&gt;asdsda&lt;/div&gt; -&gt; OK
  &lt;div&gt;dsds&lt;/div&gt; -&gt; NOT OK
  </code></pre>
  
  <p>Is this possible ?</p>
  
  <p>i tried : <code>$("*[id!=null]")</code> but i does not work :s</p>