need to set language in dijit.form.DateTextBox

http://stackoverflow.com/questions/14592788/need-to-set-language-in-dijit-form-datetextbox

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/dojo/1.8.1/dijit/themes/claro/claro.css">
<input type="text" data-dojo-type="dijit/form/DateTextBox" 
data-dojo-props="constraints: {datePattern:'yyyy-MM-dd', strict:true, locale: 'it-IT'}" 
name="date" id="date" value="" ></input>