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<day.length;i++) { day[i].innerText=""; } for(var j=1;j<=numDays;j++) //插入日期 { day[startDay+j-1].innerText=j; } } function writeDate(n) { document.writeln("<H3 ALIGN='CENTER'>"+n+"</H3>"); } function add_day(year,month,day) { bd.birthdate.value=year+"-"+month+"-"+day; } </script> </HEAD> <BODY> <form name="bd"> <input type="text" name="birthdate" size="20" readOnly><input type="button" value="..." onclick="showdb()"> </form> <div id="input_birth" name="input_birth" style="visibility:hidden; width:239; height:128"> <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" style="cursor:hand" bordercolor="#111111" width="100%" height="26"> <tr>
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