Check Lists:Web/Dijit issues using DropDownButton

Issue using dijit.form.DropDownButton
You should avoid to use the &lt;button&gt; tag for the dijit.form.DropDownButton.

While it works in some browsers (e.g. Firefox 3.6.20) it does not work in others: And for all tested browsers it is a fatal error: The hole page will not be shown at all.
 * Firefox 5 provides the error message: _12 undefined, _layoutWidget.xd.js
 * Crome provides the error message: No error message - but no display!
 * IE8 provides the error message: 'undefined' is null or not an object, _layoutWidget.xd.js

Avoid to use the &lt;button&gt;:

Use the &lt;div&gt; insted: