手机日历控件设置默认时间

<script type="text/javascript">
$(function () {
    var currYear = (new Date()).getFullYear();  
    var opt={};
    opt.date = {preset : 'date'};
    opt.datetime = {preset : 'datetime'};
    opt.time = {preset : 'time'};
    opt.default = {
        theme: 'android-holo 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",
        stepMinute: 1,
        startYear: currYear-2, //开始年份
        endYear: currYear +2//结束年份
    };
    var optDateTime = $.extend(opt['datetime'], opt['default']);
    $("#StartTime").mobiscroll(optDateTime).datetime(optDateTime);
    var requestDate = $("#StartTime<span></span><span></span>").val();
    if(requestDate != ""){
        requestDate = new Date(requestDate);
        $("#StartTime").scroller('setDate', requestDate, true);
    }
});
</script>