How to create calendar pop up after i click the text box????

 $(function() {

        $("#txtdateto").datepicker(

    { numberOfMonths: 1,

        autoSize: true, dateFormat: 'yy-mm-dd', closeText: 'X', duration: 'slow', gotoCurrent: true, changeMonth: true,

        changeYear: true, hideIfNoPrevNext: true, maxDate: '+1y', minDate: '-1y', navigationAsDateFormat: true,  showAnim: 'drop', showOtherMonths: true,

        selectOtherMonths: true, buttonImageOnly: true

    }

)

    });