var dtNow = new Date();
var year = dtNow.getFullYear();
var month = ('0' + (dtNow.getMonth() + 1)).slice(-2);
var date = ('0' + dtNow.getDate()).slice(-2);
var hour = ('0' + dtNow.getHours()).slice(-2);
var min =('0' + dtNow.getMinutes()).slice(-2);
var nowStr = year + "-" + month + "-" + date + " " + hour + ":" + min;