js 上一天、下一天

function Previousday() {

    var curDate = new Date(CreateDate_Temp);

    var preDate = new Date(curDate.getTime() -  *  *  * );

    var strDate = preDate.getFullYear() + "-";

    strDate += preDate.getMonth() +  + "-";

    strDate += preDate.getDate() + "-";

    strDate += preDate.getHours() + ":";

    strDate += preDate.getMinutes() + ":";

    strDate += preDate.getSeconds();

    $("#CreateDate").datebox("setValue", strDate);

    CreateDate_Temp = $('#CreateDate').datebox('getValue');

}

function NextDay() {

    // var nextDate = new Date(curDate.getTime() + 24*60*60*1000);

    var curDate = new Date(CreateDate_Temp);

    var nextDate = new Date(curDate.getTime() +  *  *  * );

    var strDate = nextDate.getFullYear() + "-";

    strDate += nextDate.getMonth() +  + "-";

    strDate += nextDate.getDate() + "-";

    strDate += nextDate.getHours() + ":";

    strDate += nextDate.getMinutes() + ":";

    strDate += nextDate.getSeconds();

    $("#CreateDate").datebox("setValue", strDate);

    CreateDate_Temp = $('#CreateDate').datebox('getValue');

}