New Document

function showdb() //显示控件/隐藏空间

{

var CurrentDate=new Date();

var CYear=CurrentDate.getFullYear();

var CMonth=CurrentDate.getMonth();

var CDay=CurrentDate.getDay();

var a=document.getElementById("input_birth");

var obj_year=document.getElementById("year"); //当展开控件时自动取到当前时间（客户端）

obj_year.innerText=CYear;

var obj_month=document.getElementById("month");

obj_month.innerText=CMonth+1;

var s=new Date(CYear,CMonth,1);

var startDay=s.getDay(); //日期起始数字

var numDays=numberOfDays(CMonth,CYear); //本月天数

var day=document.getElementsByName("day");

for(var j=1;j<=numDays;j++) //插入日期

{

day[startDay+j-1].innerText=j;

}

if(a.style.visibility=='visible')

{

a.style.visibility='hidden';

}

else

{

a.style.visibility='visible';

}

}

function addyear()

{

var obj_year=document.getElementById("year");

var obj_month=document.getElementById("month");

var num_year=obj_year.innerText;