Where i need to change in the below code to change date format for datetimepicker in the following javascript:

<http://www.google.com/codesearch#ak3vw-ODLck/packages/jQuery.UI.Combined.1.8.11/Content/Scripts/jquery-ui-1.8.11.js&q=jquery-ui-1.8.11.js&type=cs>

Curently its show as dd/mm/yyyy hh:mm:ss 

But i want it to be dd/mm/yyyy