I encounter the same problem. I use: <span t:type= "Label" t:for="userDateField"></span><input t:type ="DateField" t:format="yyyy/mm/dd" t:value="userDateField" t:id="userDateField"/>
In FF explorer I choose today It return "2008/00/13". In IE explorer I run into javascrip error 'style' is null or not an object. and when I second choose date It return "2008/00/13". too -- 得与失都是生活