AUI: Refresh on popup close button

To referesh the parent window while closing a AUI pop in liferay, use the following code:
window.myDialog = new A.Dialog(
            {
     on: {
      close: function() {
      document.location.href='<%=oncloseURL%>';
     }
    },
                title: title,
                centered: true,
    resizable: false,
    draggable: false,
    modal: true,
    width: 800,
    height:550,
   
       
            }
        )