javascript版的日期输入控件(3)

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

function numberOfDays(month,year) //取得每月天数，判断平年闰年
{
var numDays=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
n=numDays[month];
if(month==1&&year%4==0) ++n;
return n;
}

function displayCalendar(month,year)
{

var d=new Date(year,month,1);
var startDay=d.getDay(); //日期起始数字
var numDays=numberOfDays(month,year); //本月天数

var day=document.getElementsByName("day");
for(var i=0;i

 1<day.length;i++) ;="" align="CENTER" day[i].innertext="" day[startday+j-1].innertext="j;" document.writeln("<h3="" for(var="" function="" j="1;j&lt;=numDays;j++)" writedate(n)="" {="" }="" 插入日期="">"+n+"");   
 2} 
 3
 4function add_day(year,month,day)   
 5{   
 6bd.birthdate.value=year+"-"+month+"-"+day;   
 7}   
 8
 9
10<body>
11<form name="bd">
12<input name="birthdate" readonly="" size="20" type="text"/><input onclick="showdb()" type="button" value="..."/>
13</form>
14<div id="input_birth" name="input_birth" style="visibility:hidden; width:239; height:128">
15<table border="0" bordercolor="#111111" cellpadding="0" cellspacing="0" height="26" style="cursor:hand" width="100%">
16<tr></tr></table></div></body></day.length;i++)>