Hi everyone,
I want to use a JQuery Plugin(Arabic Hijri Calender Date Picker) with ext text field.
Here is used plugin
http://keith-wood.name/calendars.html

My Code
  <script src="Scripts/HijriCalender/jquery.calendars.js"></script>
    <script src="Scripts/HijriCalender/jquery.calendars-ar.js"></script>
    <script src="Scripts/HijriCalender/jquery.calendars.picker.js"></script>
    <script src="Scripts/HijriCalender/jquery.calendars.plus.js"></script>
    <script src="Scripts/HijriCalender/jquery.calendars.islamic.js"></script>
    <script src="Scripts/HijriCalender/jquery.calendars.islamic-ar.js"></script>
    <script src="Scripts/HijriCalender/jquery.calendars.lang.js"></script>
    <script src="Scripts/HijriCalender/jquery.calendars.picker-ar.js"></script>

      <script>
          jQuery(function () {

              var calendar = jQuery.calendars.instance('Islamic', 'ar');

              jQuery('.showCal').calendarsPicker({ calendar: calendar });

          });
      </script>

      <input type="text" class="showCal" /> //The Plugin works fine here

   <ext:TextField ID="txtProduceDate"   Width="250" runat="server" Margin="5"
   FieldLabel="تاريخ الإنتاج" ComponentCls="showCal" CtCls="showCal" FieldCls="showCal" /> //the plugin not working in a TextField