function Previousday() { var curDate = new Date(CreateDate_Temp); var preDate = new Date(curDate.getTime() - 24 * 60 * 60 * 1000); var strDate = preDate.getFullYear() + "-"; strDate += preDate.getMonth() + 1 + "-"; 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() + 24 * 60 * 60 * 1000); var strDate = nextDate.getFullYear() + "-"; strDate += nextDate.getMonth() + 1 + "-"; strDate += nextDate.getDate() + "-"; strDate += nextDate.getHours() + ":"; strDate += nextDate.getMinutes() + ":"; strDate += nextDate.getSeconds(); $("#CreateDate").datebox("setValue", strDate); CreateDate_Temp = $('#CreateDate').datebox('getValue'); }