How to use metadate in datePicker?

How to use metadate in datePicker?

Hi all,
i'm tring to use jquery dataPicker but i wont to use it with matadate.
using this code:
 
<
input type ="text" id ="myDate" class ="myDatePicker {maxDate: '+1w', minDate: '-1w'}" />
 
how can i do this?
 
Shay