var StartYear = 1980;
var EndYear = 2500;
function MonthAndDay()
{
this.initDDL = function(objYear,objMonth,objDay,hidYear,hidMonth,hidDay)
{
this.init(objYear,objMonth,objDay,hidYear,hidMonth,hidDay);
this.SelectChange(objYear,objMonth,objDay,hidYear,hidMonth,hidDay);
}
this.init = function(objYear,objMonth,objDay,hidYear,hidMonth,hidDay)
{
var year = document.getElementById(objYear);
var month = document.getElementById(objMonth);
var day = document.getElementById(objDay);
var me=this;
if(year.length == 1)
{
year.options[0] = new Option("不限","");
for(var i = StartYear; i