datepicker/js/prototype.js 아시는분 도와주세요

<script type="text/javascript" src="datepicker/js/prototype.js"></script>
<script type="text/javascript" src="datepicker/js/prototype-base-extensions.js"></script>
<script type="text/javascript" src="datepicker/js/prototype-date-extensions.js"></script>
<script type="text/javascript" src="datepicker/js/datepicker.js"></script> 

<link rel="stylesheet" href="datepicker/css/datepicker.css">
<script type="text/javascript">

    function createPickers()
    {

        $(document.body).select('input.date').each( function(e) { new Control.DatePicker(e, { 'icon': 'datepicker/images/calendar.png',  'datePicker': true, 'timePicker': false,
                'onSelect': function a(o, oldval){
                    if(confirm('저장을 하지 않고 일자를 변경하시면 수정했던 모든 정보가 사라집니다. 계속하시겠습니까?'))
                    {
                        // for (var i=0; i<jQuery("img[name='image']").length; i++) {
                        //     jQuery("img[name='image']")[i].style.display="none";
                        // }

                        // for (var i=0; i<$('fwrite').getInputs('text', 'start[]').length; i++) {
                        //     $('fwrite').getInputs('text', 'start[]')[i].value = '';
                        //     $('fwrite').getInputs('text', 'end[]')[i].value = '';
                        //     $('fwrite').getInputs('checkbox', 'untilClose[]')[i].checked = false;
                        //     handleUntilClose(i, false);
                        // }
                        
                        location.href = "/bbs/write.php?w=u&bo_table=1_schedule&wr_id=<?=$wr_id;?>&page=&b_code=<?=$b_code;?>&date="+$('date').value;
                    }
                    else
                    {
                        if(oldval != undefined)
                            $('date').value = oldval;
                    }
                } }); } );
        $(document.body).select('input.time').each( function(e) { new Control.DatePicker(e, { 'icon': 'datepicker/images/clock.png',  'datePicker': false, 'timePicker': true }); } );
    }
    Event.observe(window, 'load', createPickers);
</script>