my97date 时间范围限制

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <select class="sel-settlement-type">
        <option value="1">小时</option>
        <option value="2">周</option>
        <option value="3">月</option>
    </select>

    <input class="inp-start-date" type="text" onfocus="WdatePicker({dateFmt:‘yyyy-MM-dd HH:mm:00‘})"/>
    <input class="inp-end-date" type="text" onfocus="WdatePicker({dateFmt:‘yyyy-MM-dd HH:mm:00‘, minDate:‘#F{$dp.$D(\‘inp-end-date-min\‘)}‘, maxDate:‘#F{$dp.$D(\‘inp-end-date-max\‘)}‘})"/>
    <input type="hidden" id="inp-end-date-min" value="">
    <input type="hidden" id="inp-end-date-max" value="">

    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
    <script type="text/javascript" src="http://www.my97.net/My97DatePicker/WdatePicker.js"></script>
    <script type="text/javascript">
    // 格式化时间
    function formatTime(timestamp, format)
    {
      format    = format || ‘Y-m-d H:i:s‘;
      
      var oDate = new Date(timestamp);
      var Y     = oDate.getFullYear();
      var m     = oDate.getMonth() + 1;
      var d     = oDate.getDate();
      var H     = oDate.getHours();
      var i     = oDate.getMinutes();
      var s     = oDate.getSeconds();

      return format.replace(‘Y‘, Y).replace(‘m‘, m).replace(‘d‘, d).replace(‘H‘, H).replace(‘i‘, i).replace(‘s‘, s);
    };

    function setTimeLimit()
    {
        $(‘.sel-settlement-type‘).on(‘change‘, function(){
            if($(‘.inp-start-date‘).val()!=""){
                var start = new Date( $(‘.inp-start-date‘).val() ).getTime();
            }else{
                var start = new Date().getTime();
            }

            var end_date_min = start + 2 * 3600 * 1000;
            var end_date_max = 0;
            switch($(this).val())
            {
                case ‘1‘:
                    end_date_max = start + 1 * 24 * 3600 * 1000;
                    break;
                case ‘2‘:
                    end_date_max = start + 7 * 24 * 3600 * 1000;
                    break;
                case ‘3‘:
                    end_date_max = start + 30 * 24 * 3600 * 1000;
                    break;
            }

            $(‘#inp-end-date-min‘).val( formatTime(end_date_min, ‘Y-m-d H:i:00‘) );
            $(‘#inp-end-date-max‘).val( formatTime(end_date_max, ‘Y-m-d H:i:00‘) );
        });

        $(‘.sel-settlement-type‘).trigger(‘change‘);
    }

    setTimeLimit();
    </script>
</body>
</html>