javascript版的日期输入控件

新客网 XKER.COM 2006-07-17 来源：收藏本文

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="Microsoft FrontPage 5.0">
<META NAME="Author" CONTENT="zhaoweiwei">
<META NAME="Keywords" CONTENT="birthday_input">
<META NAME="Description" CONTENT="日起输入控件">
<script>
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;

   obj_year.innerText=parseInt(num_year)+1; //年数增加

   displayCalendar(obj_month.innerText-1,obj_year.innerText);
}
function plusyear()
   {

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

   var num_year=obj_year.innerText;
   obj_year.innerText=parseInt(num_year)-1; //年数减少

   displayCalendar(obj_month.innerText-1,obj_year.innerText);
}
function addmonth()
{

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

     if(parseInt(obj_month.innerText)>=12)        //月数增加到12时，年数相应增加1，月数从1开始
     {
      obj_month.innerText="0";
      obj_year=document.getElementById("year");
      var num_year=obj_year.innerText;

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