モバイル日付と選択プラグイン mobiscroll

<link href="css/mobiscroll.css" rel="stylesheet" />
<link href="css/mobiscroll_date.css" rel="stylesheet" />
<script src="js/jquery.min.js"></script> 
<script src="js/mobiscroll_date.js"></script> 
<script src="js/mobiscroll.js"></script>

<input style="display:inline-block;width: 72%;height: 0.6rem;border:1px solid #ccc;text-align: left;font-size:0.24rem;" name="page1_time" type="text" name="USER_AGE" id="USER_AGE" readonly class="input" />

$(document).ready(function() {
    var currYear = (new Date()).getFullYear();    
    var opt={};
    opt.date = {preset : 'date'};
    opt.datetime = {preset : 'datetime'};
    opt.time = {preset : 'time'};
    opt.default = {
        theme: 'android-ics light', //皮肤样式
        display: 'modal', //显示方式 
        mode: 'scroller', //日期选择模式
        dateFormat: 'yyyy-mm-dd',
        lang: 'zh',
        showNow: true,
        nowText: "今天",
        startYear: currYear - 50, //开始年份
        endYear: currYear + 10 //结束年份
    };    
    $("#USER_AGE").mobiscroll($.extend(opt['date'],opt['default']));
});