/// <summary>

            /// Launches the DatePicker page in a popup window,

            /// passing a JavaScript reference to the field that we want to set.

            /// </summary>

            /// <param name="strField">String. The JavaScript reference to the field that we want to set,

/// in the format: FormName.FieldName

            /// Please note that JavaScript is case-sensitive.</param>

            function calendarPicker(strField)

            {
                        windowCal=window.open('DatePicker.aspx?field=' + strField, 'calendarPopup', 'location=1,width=250,height=190,resizable=no');
                        windowCal.moveTo(1000,300);
            }