Datepicker in custom thread field

[mat22]

I am using a custom thread fields as date and would like to add a datepicker to fill the textbox. i am using this script http://www.formget.com/jquery-datepicker/

and using this code in "Input Field HTML " option

Code:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

<link rel="stylesheet" type="text/css" href="http://code.jquery.com/ui/1.11.0/themes/smoothness/jquery-ui.css"/ > <script src="http://code.jquery.com/jquery-1.10.2.js"></script> <script src="http://code.jquery.com/ui/1.11.0/jquery-ui.js"></script> <input name="selected_date" id="datepicker" type="text" class="textbox"{NAME_PROP}{MAXLEN_PROP}{WIDTH_PROP_SIZE}{TABINDEX_PROP}{REQUIRED_PROP} value="{VALUE}" /> <script> $(document).ready(function() { // Datepicker Popups calender to Choose date. $(function() { $("#datepicker").datepicker(); // Pass the user selected date format. $("#format").change(function() { $("#datepicker").datepicker("option", "dateFormat", $(this).val()); }); }); }); </script>

---

Its working proper . but when i click on post thread for posting , its not showing value and then i go to editpost its show blank field .
Whats wrong , Please Help