/*
* 函数名称: DateUtil
* 作 者: yithcn
* 功能说明: 日期函数
* 使用说明:
* 创建日期: 2010.10.14
*/
var DateUtil = {};
DateUtil.base = 60 * 60 * 24 * 1000;
DateUtil.Add = function(num, sDate) {
num = num || 0;
sDate = sDate || new Date();
var base = this.base * num;
var todayMs = sDate.getTime();
todayMs = base;
sDate.setTime(todayMs);
var m = (sDate.getMonth() 1);
m = m