dateTime.js

//  主调用函数是 setday(this,[object])和setday(this),[object]是控件输出的控件名,举两个例子:
//  一、<input name=txt><input type=button value=setday onclick="setday(this,document.all.txt)">
//  二、<input onfocus="setday(this)">

var bMoveable=true;
var strFrame;  

document.writeln('<iframe id=endDateLayer frameborder=0 width=162 height=211 style="position: absolute;  z-index: 9998; display: none"></iframe>');
strFrame='<style>';
strFrame+='INPUT.button{BORDER-RIGHT: #D5D4E2 1px solid;BORDER-TOP: #D5D4E2 1px solid;BORDER-LEFT: #D5D4E2 1px solid;';
strFrame+='BORDER-BOTTOM: #D5D4E2 1px solid;BACKGROUND-COLOR: #D5D4E2;font-family:宋体;}';
strFrame+='TD{FONT-SIZE: 9pt;font-family:宋体;}';
strFrame+='</style>';
strFrame+='<scr' + 'ipt>';
strFrame+='var datelayerx,datelayery;';
strFrame+='var bDrag;';
strFrame+='function document.onmousemove()';
strFrame+='{if(bDrag && window.event.button==1)';
strFrame+=' {var DateLayer=parent.document.all.endDateLayer.style;';
strFrame+='  DateLayer.posLeft += window.event.clientX-datelayerx;';
strFrame+='  DateLayer.posTop += window.event.clientY-datelayery;}}';
strFrame+='function DragStart()';
strFrame+='{var DateLayer=parent.document.all.endDateLayer.style;';
strFrame+=' datelayerx=window.event.clientX;';
strFrame+=' datelayery=window.event.clientY;';
strFrame+=' bDrag=true;}';
strFrame+='function DragEnd(){';
strFrame+=' bDrag=false;}';
strFrame+='</scr' + 'ipt>';
strFrame+='<div style="z-index:9999;position: absolute; left:0; top:0;" onselectstart="return false">';
strFrame+='<span id=tmpSelectYearLayer  style="z-index: 9999;position: absolute;top: 3; left: 19;display: none"></span>';
strFrame+='<span id=tmpSelectMonthLayer  style="z-index: 9999;position: absolute;top: 3; left: 78;display: none"></span>';
strFrame+='<span id=tmpSelectHourLayer  style="z-index: 9999;position: absolute;top: 188; left: 35px;display: none"></span>';
strFrame+='<span id=tmpSelectMinuteLayer style="z-index:9999;position:absolute;top: 188; left: 77px;display: none"></span>';
strFrame+='<span id=tmpSelectSecondLayer style="z-index:9999;position:absolute;top: 188; left: 119px;display: none"></span>';
strFrame+='<table border=1 cellspacing=0 cellpadding=0 width=142 height=160 bordercolor=#D5D4E2 bgcolor=#D5D4E2 >';
strFrame+='    <tr><td width=142 height=23  bgcolor=#FFFFFF>';
strFrame+='        <table border=0 cellspacing=1 cellpadding=0 width=158  height=23>';
strFrame+='            <tr align=center >';
strFrame+='                <td width=16 align=center bgcolor=#D5D4E2 style="font-size:12px;cursor: hand;color: #000000" ';
strFrame+='        onclick="parent.meizzPrevM()" title="向前翻 1 月" >&lt;</td>';
strFrame+='       <td width=60 align="center" bgcolor="#D5D4E2"  style="font-size:12px;cursor:hand" ';
strFrame+='           onmouseover="style.backgroundColor=\'#aaccf3\'"';
strFrame+='        onmouseout="style.backgroundColor=\'#D5D4E2\'" ';
strFrame+='        onclick="parent.tmpSelectYearInnerHTML(this.innerText.substring(0,4))" ';
strFrame+='        title="点击这里选择年份"><span  id=meizzYearHead></span></td>';
strFrame+='       <td width=48 align="center" style="font-size:12px;font-color: #ffffff;cursor:hand" ';
strFrame+='        bgcolor="#D5D4E2" onmouseover="style.backgroundColor=\'#aaccf3\'" ';
strFrame+='        onmouseout="style.backgroundColor=\'#D5D4E2\'" ';
strFrame+='        onclick="parent.tmpSelectMonthInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+='        title="点击这里选择月份"><span id=meizzMonthHead ></span></td>';
strFrame+='       <td width=16 bgcolor=#D5D4E2 align=center style="font-size:12px;cursor: hand;color: #000000" ';
strFrame+='        onclick="parent.meizzNextM()" title="向后翻 1 月" >&gt;</td>';
strFrame+='      </tr>';
strFrame+='     </table></td></tr>';
strFrame+='    <tr><td width=142 height=18 >';
strFrame+='     <table border=0 cellspacing=0 cellpadding=2 bgcolor=#D5D4E2 ' + (bMoveable? 'onmousedown="DragStart()" onmouseup="DragEnd()"':'');
strFrame+='    BORDERCOLORLIGHT=#D5D4E2 BORDERCOLORDARK=#FFFFFF width=140 height=20  style="cursor:' + (bMoveable ? 'move':'default') + '">';
strFrame+='    <tr><td style="font-size:12px;color:#ff0000" width=20>&nbsp;日</td>';
strFrame+='<td style="font-size:12px;color:#000000" >&nbsp;一</td><td style="font-size:12px;color:#000000">&nbsp;二</td>';
strFrame+='<td style="font-size:12px;color:#000000" >&nbsp;三</td><td style="font-size:12px;color:#000000" >&nbsp;四</td>';
strFrame+='<td style="font-size:12px;color:#000000" >&nbsp;五</td><td style="font-size:12px;color:#000000" >&nbsp;六</td></tr>';
strFrame+='</table></td></tr>';
strFrame+='  <tr ><td width=142 height=120 >';
strFrame+='    <table border=1 cellspacing=2 cellpadding=2 BORDERCOLORLIGHT=#D5D4E2 BORDERCOLORDARK=#FFFFFF bgcolor=#fff8ec width=140 height=120 >';
var n=0; for (j=0;j<5;j++){ strFrame+= ' <tr align=center >'; for (i=0;i<7;i++){
strFrame+='<td width=20 height=20 id=meizzDay'+n+' style="font-size:12px" onclick=parent.meizzDayClick(this.innerText,0)></td>';n++;}
strFrame+='</tr>';}
strFrame+='      <tr align=center >';
for (i=35;i<37;i++)strFrame+='<td width=20 height=20 id=meizzDay'+i+' style="font-size:12px"  onclick="parent.meizzDayClick(this.innerText,0)"></td>';
strFrame+='        <td colspan=5 align=right style="color:#000000"><span onclick="parent.setNull()" style="font-size:12px;cursor: hand"';
strFrame+='         onmouseover="style.color=\'#ff0000\'" onmouseout="style.color=\'#000000\'" title="将日期置空">置空</span>&nbsp;&nbsp;<span onclick="parent.meizzToday()" style="font-size:12px;cursor: hand"';
strFrame+='         onmouseover="style.color=\'#ff0000\'" onmouseout="style.color=\'#000000\'" title="当前日期时间">当前</span>&nbsp;&nbsp;<span style="cursor:hand" id=evaAllOK onmouseover="style.color=\'#ff0000\'" onmouseout="style.color=\'#000000\'"  onclick="parent.closeLayer()" title="关闭日历">关闭&nbsp;</span></td></tr>';
strFrame+='    </table></td></tr><tr ><td >';
strFrame+='        <table border=0 cellspacing=1 cellpadding=0 width=100%  bgcolor=#FFFFFF height=22 >';
strFrame+='          <tr bgcolor="#D5D4E2"><td id=bUseTimeLayer width=30  style="cursor:hand" title=""';
strFrame+='    onmouseoverr="style.backgroundColor=\'#aaccf3\'" align=center onmouseoutt="style.backgroundColor=\'#D5D4E2\'"';
strFrame+='     onclickk="parent.UseTime(this)">';
strFrame+=' <span></span></td>';
strFrame+='             <td style="cursor:hand" onclick="parent.tmpSelectHourInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+=' onmouseover="style.backgroundColor=\'#aaccf3\'" onmouseout="style.backgroundColor=\'#D5D4E2\'"';
strFrame+=' title="点击这里选择时间" align=center width=42>' ;
strFrame+='     <span id=meizzHourHead></span></td>';
strFrame+='             <td style="cursor:hand" onclick="parent.tmpSelectMinuteInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+=' onmouseover="style.backgroundColor=\'#aaccf3\'" onmouseout="style.backgroundColor=\'#D5D4E2\'"';
strFrame+=' title="点击这里选择时间" align=center width=42>' ;
strFrame+='     <span id=meizzMinuteHead></span></td>';
strFrame+='             <td style="cursor:hand" onclickk="parent.tmpSelectSecondInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+=' onmouseoverr="style.backgroundColor=\'#aaccf3\'" onmouseoutt="style.backgroundColor=\'#D5D4E2\'"';
strFrame+=' title="" align=center width=42>' ;
strFrame+='     <span id=meizzSecondHead></span></td>';
strFrame+='    </tr></table></td></tr></table></div>';

window.frames.endDateLayer.document.writeln(strFrame);
window.frames.endDateLayer.document.close();  //解决ie进度条不结束的问题


//==================================================== WEB 页面显示部分 ======================================================
var outObject;
var outButton;  //点击的按钮

var outDate="";  //存放对象的日期
var bUseTime=false;  //是否使用时间
var odatelayer=window.frames.endDateLayer.document.all;  //存放日历对象
var odatelayer=window.endDateLayer.document.all;
//odatelayer.bUseTimeLayer.innerText="NO";
bImgSwitch();
odatelayer.bUseTimeLayer.innerHTML=bImg;

function setday(tt,obj) //主调函数
{
 if (arguments.length > 2){alert("对不起!传入本控件的参数太多!");return;}
 if (arguments.length == 0){alert("对不起!您没有传回本控件任何参数!");return;}
 var dads = document.all.endDateLayer.style;
 var th = tt;
 var ttop = tt.offsetTop; //TT控件的定位点高

 var thei = tt.clientHeight; //TT控件本身的高
 var tleft = tt.offsetLeft; //TT控件的定位点宽

 var ttyp = tt.type; //TT控件的类型

 while (tt = tt.offsetParent){ttop+=tt.offsetTop; tleft+=tt.offsetLeft;}
 dads.top = (ttyp=="image") ? ttop+thei : ttop+thei+6;
 dads.left = tleft;
 outObject = (arguments.length == 1) ? th : obj;
 outButton = (arguments.length == 1) ? null : th; //设定外部点击的按钮

 //根据当前输入框的日期显示日历的年月
 var reg = /^(\d+)-(\d{1,2})-(\d{1,2})/;  //不含时间
 var r = outObject.value.match(reg);
 if(r!=null){
  r[2]=r[2]-1;
  var d=new Date(r[1],r[2],r[3]);
  if(d.getFullYear()==r[1] && d.getMonth()==r[2] && d.getDate()==r[3])
  {
   outDate=d;
   parent.meizzTheYear = r[1];
   parent.meizzTheMonth = r[2];
   parent.meizzTheDate = r[3];
  }
  else
  {
   outDate="";
  }
  meizzSetDay(r[1],r[2]+1);
 }
 else
 {
  outDate="";
  meizzSetDay(new Date().getFullYear(), new Date().getMonth() + 1);
 }
 dads.display = '';

 //判断初始化时是否使用时间,非严格验证
 //if (outObject.value.length>10)
 //{
  bUseTime=true;
  bImgSwitch();
  odatelayer.bUseTimeLayer.innerHTML=bImg;
  meizzWriteHead(meizzTheYear,meizzTheMonth);
 //}
 //else
 //{
 // bUseTime=false;
 // bImgSwitch();
 // odatelayer.bUseTimeLayer.innerHTML=bImg;
 // meizzWriteHead(meizzTheYear,meizzTheMonth);
 //}

 try
 {
  event.returnValue=false;
 }
 catch (e)
 {
  //此处排除错误,错误原因暂未找到。
 }
}

var MonHead = new Array(12); //定义阳历中每个月的最大天数

MonHead[0] = 31; MonHead[1] = 28; MonHead[2] = 31; MonHead[3] = 30; MonHead[4]  = 31; MonHead[5]  = 30;
MonHead[6] = 31; MonHead[7] = 31; MonHead[8] = 30; MonHead[9] = 31; MonHead[10] = 30; MonHead[11] = 31;

var meizzTheYear=new Date().getFullYear(); //定义年的变量的初始值

var meizzTheMonth=new Date().getMonth()+1; //定义月的变量的初始值

var meizzTheDate=new Date().getDate(); //定义日的变量的初始值 
var meizzTheHour=new Date().getHours(); //定义小时变量的初始值

var meizzTheMinute=new Date().getMinutes();//定义分钟变量的初始值
//var meizzTheSecond=new Date().getSeconds();//定义秒变量的初始值
var meizzTheSecond=0;//定义秒变量的初始值

var meizzWDay=new Array(37); //定义写日期的数组

function document.onclick() //任意点击时关闭该控件 //ie6的情况可以由下面的切换焦点处理代替
{
 with(window.event)
 {
  if (srcElement != outObject && srcElement != outButton)
  closeLayer();
 }
}

function document.onkeyup()  //按Esc键关闭,切换焦点关闭
{
 if (window.event.keyCode==27){
  if(outObject)outObject.blur();
  closeLayer();
 }
 else if(document.activeElement)
 {
  if(document.activeElement != outObject && document.activeElement != outButton)
  {
   closeLayer();
  }
 }
}

function meizzWriteHead(yy,mm,ss) //往 head 中写入当前的年与月
{
 odatelayer.meizzYearHead.innerText = yy + " 年";
 odatelayer.meizzMonthHead.innerText = format(mm) + " 月";
 //插入当前小时、分
 odatelayer.meizzHourHead.innerText=bUseTime?(meizzTheHour+" 时"):"";
 odatelayer.meizzMinuteHead.innerText=bUseTime?(meizzTheMinute+" 分"):"";
 odatelayer.meizzSecondHead.innerText=bUseTime?(meizzTheSecond+" 秒"):"";
}

function tmpSelectYearInnerHTML(strYear) //年份的下拉框
{
 if (strYear.match(/\D/)!=null){alert("年份输入参数不是数字!");return;}
 var m = (strYear) ? strYear : new Date().getFullYear();
 if (m < 1000 || m > 9999) {alert("年份值不在 1000 到 9999 之间!");return;}
 var n = m - 50;
 if (n < 1000) n = 1000;
 if (n + 101 > 9999) n = 9974;
 var s = "&nbsp;<select name=tmpSelectYear style='font-size: 12px' "
 s += "onblur='document.all.tmpSelectYearLayer.style.display=\"none\"' "
 s += "onchange='document.all.tmpSelectYearLayer.style.display=\"none\";"
 s += "parent.meizzTheYear = this.value; parent.meizzSetDay(parent.meizzTheYear,parent.meizzTheMonth)'>\r\n";
 var selectInnerHTML = s;
 for (var i = n; i < n + 101; i++)
 {
  if (i == m) { selectInnerHTML += "<option value='" + i + "' selected>" + i + "年" + "</option>\r\n"; }
  else { selectInnerHTML += "<option value='" + i + "'>" + i + "年" + "</option>\r\n"; }
 }
 selectInnerHTML += "</select>";
 odatelayer.tmpSelectYearLayer.style.display="";
 odatelayer.tmpSelectYearLayer.innerHTML = selectInnerHTML;
 odatelayer.tmpSelectYear.focus();
}

function tmpSelectMonthInnerHTML(strMonth) //月份的下拉框
{
 if (strMonth.match(/\D/)!=null){alert("月份输入参数不是数字!");return;}
 var m = (strMonth) ? strMonth : new Date().getMonth() + 1;
 var s = "&nbsp;&nbsp;&nbsp;<select name=tmpSelectMonth style='font-size: 12px' "
 s += "onblur='document.all.tmpSelectMonthLayer.style.display=\"none\"' "
 s += "onchange='document.all.tmpSelectMonthLayer.style.display=\"none\";"
 s += "parent.meizzTheMonth = this.value; parent.meizzSetDay(parent.meizzTheYear,parent.meizzTheMonth)'>\r\n";
 var selectInnerHTML = s;
 for (var i = 1; i < 13; i++)
 {
  if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"月"+"</option>\r\n"; }
  else { selectInnerHTML += "<option value='"+i+"'>"+i+"月"+"</option>\r\n"; }
 }
 selectInnerHTML += "</select>";
 odatelayer.tmpSelectMonthLayer.style.display="";
 odatelayer.tmpSelectMonthLayer.innerHTML = selectInnerHTML;
 odatelayer.tmpSelectMonth.focus();
}

/***** 增加 小时、分钟 ***/
function tmpSelectHourInnerHTML(strHour) //小时的下拉框
{
 if (!bUseTime){return;}

 if (strHour.match(/\D/)!=null){alert("小时输入参数不是数字!");return;}
 var m = (strHour) ? strHour : new Date().getHours();
 var s = "<select name=tmpSelectHour style='font-size: 12px' "
 s += "onblur='document.all.tmpSelectHourLayer.style.display=\"none\"' "
 s += "onchange='document.all.tmpSelectHourLayer.style.display=\"none\";"
 s += "parent.meizzTheHour = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute);'>\r\n";
 var selectInnerHTML = s;
 for (var i = 0; i < 24; i++)
 {
  if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>\r\n"; }
  else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>\r\n"; }
 }
 selectInnerHTML += "</select>";
 odatelayer.tmpSelectHourLayer.style.display="";
 odatelayer.tmpSelectHourLayer.innerHTML = selectInnerHTML;
 odatelayer.tmpSelectHour.focus();
}

function tmpSelectMinuteInnerHTML(strMinute) //分钟的下拉框
{
 if (!bUseTime){return;}

 if (strMinute.match(/\D/)!=null){alert("分钟输入参数不是数字!");return;}
 var m = (strMinute) ? strMinute : new Date().getMinutes();
 var s = "<select name=tmpSelectMinute style='font-size: 12px' "
 s += "onblur='document.all.tmpSelectMinuteLayer.style.display=\"none\"' "
 s += "onchange='document.all.tmpSelectMinuteLayer.style.display=\"none\";"
 s += "parent.meizzTheMinute = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute);'>\r\n";
 var selectInnerHTML = s;
 for (var i = 0; i < 60; i++)
 {
  if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>\r\n"; }
  else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>\r\n"; }
 }
 selectInnerHTML += "</select>";
 odatelayer.tmpSelectMinuteLayer.style.display="";
 odatelayer.tmpSelectMinuteLayer.innerHTML = selectInnerHTML;
 odatelayer.tmpSelectMinute.focus();
}

function tmpSelectSecondInnerHTML(strSecond) //秒的下拉框
{
 if (!bUseTime){return;}

 if (strSecond.match(/\D/)!=null){alert("分钟输入参数不是数字!");return;}
 var m = (strSecond) ? strSecond : new Date().getMinutes();
 var s = "<select name=tmpSelectSecond style='font-size: 12px' "
 s += "onblur='document.all.tmpSelectSecondLayer.style.display=\"none\"' "
 s += "onchange='document.all.tmpSelectSecondLayer.style.display=\"none\";"
 s += "parent.meizzTheSecond = this.value; parent.evaSetTime(parent.meizzTheHour,parent.meizzTheMinute,parent.meizzTheSecond);'>\r\n";
 var selectInnerHTML = s;
 for (var i = 0; i < 60; i++)
 {
  if (i == m) { selectInnerHTML += "<option value='"+i+"' selected>"+i+"</option>\r\n"; }
  else { selectInnerHTML += "<option value='"+i+"'>"+i+"</option>\r\n"; }
 }
 selectInnerHTML += "</select>";
 odatelayer.tmpSelectSecondLayer.style.display="";
 odatelayer.tmpSelectSecondLayer.innerHTML = selectInnerHTML;
 odatelayer.tmpSelectSecond.focus();
}

function closeLayer() //这个层的关闭
{  
 var o = document.getElementById("endDateLayer");
 
     o.style.display="none";

}

function showLayer() //这个层的关闭
{
 document.all.endDateLayer.style.display="";
}

function IsPinYear(year) //判断是否闰平年
{
 if (0==year%4&&((year%100!=0)||(year%400==0))) return true;else return false;
}

function GetMonthCount(year,month) //闰年二月为29天
{
 var c=MonHead[month-1];if((month==2)&&IsPinYear(year)) c++;return c;
}

function GetDOW(day,month,year) //求某天的星期几
{
 var dt=new Date(year,month-1,day).getDay()/7; return dt;
}

function meizzPrevY() //往前翻 Year
{
 if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear--;}
 else{alert("年份超出范围(1000-9999)!");}
 meizzSetDay(meizzTheYear,meizzTheMonth);
}
function meizzNextY() //往后翻 Year
{
 if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear++;}
 else{alert("年份超出范围(1000-9999)!");}
 meizzSetDay(meizzTheYear,meizzTheMonth);
}
function setNull()
{
 outObject.value = '';
 closeLayer();
}
function meizzToday() //Today Button
{
 parent.meizzTheYear  = new Date().getFullYear();
 parent.meizzTheMonth = new Date().getMonth()+1;
 parent.meizzTheDate  = new Date().getDate();
 parent.meizzTheHour  = new Date().getHours();
 parent.meizzTheMinute = new Date().getMinutes();
 //parent.meizzTheSecond = new Date().getSeconds();
 //var meizzTheSecond = new Date().getSeconds();
        parent.meizzTheSecond = 0;
 var meizzTheSecond = 0;


 if (meizzTheMonth<10 && meizzTheMonth.length<2) //格式化成两位数字
 {
  parent.meizzTheMonth="0"+parent.meizzTheMonth;
 }
 if (parent.meizzTheDate<10 && parent.meizzTheDate.length<2) //格式化成两位数字
 {
  parent.meizzTheDate="0"+parent.meizzTheDate;
 }
 //meizzSetDay(meizzTheYear,meizzTheMonth);
 if(outObject)
 {
  if (bUseTime)
  {
   outObject.value= parent.meizzTheYear + "-" + format( parent.meizzTheMonth) + "-" +
       format(parent.meizzTheDate) + " " + format(parent.meizzTheHour) + ":" +
       format(parent.meizzTheMinute) + ":" + format(parent.meizzTheSecond);
       //注:在这里你可以输出改成你想要的格式
  }
  else
  {
   outObject.value= parent.meizzTheYear + "-" + format( parent.meizzTheMonth) + "-" +
       format(parent.meizzTheDate); //注:在这里你可以输出改成你想要的格式
  }
 }
 closeLayer();
}
function meizzPrevM() //往前翻月份
{
 if(meizzTheMonth>1){meizzTheMonth--}else{meizzTheYear--;meizzTheMonth=12;}
 meizzSetDay(meizzTheYear,meizzTheMonth);
}
function meizzNextM() //往后翻月份
{
 if(meizzTheMonth==12){meizzTheYear++;meizzTheMonth=1}else{meizzTheMonth++}
 meizzSetDay(meizzTheYear,meizzTheMonth);
}

// TODO: 整理代码
function meizzSetDay(yy,mm) //主要的写程序**********
{
 meizzWriteHead(yy,mm);
 //设置当前年月的公共变量为传入值

 meizzTheYear=yy;
 meizzTheMonth=mm;

 for (var i = 0; i < 37; i++){meizzWDay[i]=""}; //将显示框的内容全部清空

 var day1 = 1,day2=1,firstday = new Date(yy,mm-1,1).getDay(); //某月第一天的星期几

 for (i=0;i<firstday;i++)meizzWDay[i]=GetMonthCount(mm==1?yy-1:yy,mm==1?12:mm-1)-firstday+i+1 //上个月的最后几天

 for (i = firstday; day1 < GetMonthCount(yy,mm)+1; i++) { meizzWDay[i]=day1;day1++; }
 for (i=firstday+GetMonthCount(yy,mm);i<37;i++) { meizzWDay[i]=day2;day2++; }
 for (i = 0; i < 37; i++)
 {
  var da = eval("odatelayer.meizzDay"+i) //书写新的一个月的日期星期排列

 if (meizzWDay[i]!="")
 {
  //初始化边框
  da.borderColorLight="#D5D4E2";
  da.borderColorDark="#D5D4E2";
  da.style.color="#000000";
  if(i<firstday)  //上个月的部分
  {
   da.innerHTML="<font color=#BCBABC>" + meizzWDay[i] + "</font>";
   da.title=(mm==1?12:mm-1) +"月" + meizzWDay[i] + "日";
   da.onclick=Function("meizzDayClick(this.innerText,-1)");

   if(!outDate)
    da.style.backgroundColor = ((mm==1?yy-1:yy) == new Date().getFullYear() &&
     (mm==1?12:mm-1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) ?
      "#5CEFA0":"#f5f5f5";
   else
   {
    da.style.backgroundColor =((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 &&
    meizzWDay[i]==outDate.getDate())? "#FFFF66" :
    (((mm==1?yy-1:yy) == new Date().getFullYear() && (mm==1?12:mm-1) == new Date().getMonth()+1 &&
    meizzWDay[i] == new Date().getDate()) ? "#5CEFA0":"#f5f5f5");
    //将选中的日期显示为凹下去

    if((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 &&
    meizzWDay[i]==outDate.getDate())
    {
     da.borderColorLight="#FFFFFF";
     da.borderColorDark="#D5D4E2";
    }
   }
  }
  else if (i>=firstday+GetMonthCount(yy,mm))  //下个月的部分
  {
   da.innerHTML="<font color=#BCBABC>" + meizzWDay[i] + "</font></";
   da.title=(mm==12?1:mm+1) +"月" + meizzWDay[i] + "日";
   da.onclick=Function("meizzDayClick(this.innerText,1)");
   if(!outDate)
    da.style.backgroundColor = ((mm==12?yy+1:yy) == new Date().getFullYear() &&
     (mm==12?1:mm+1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) ?
      "#5CEFA0":"#f5f5f5";
   else
   {
    da.style.backgroundColor =((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 &&
    meizzWDay[i]==outDate.getDate())? "#FFFF66" :
    (((mm==12?yy+1:yy) == new Date().getFullYear() && (mm==12?1:mm+1) == new Date().getMonth()+1 &&
    meizzWDay[i] == new Date().getDate()) ? "#5CEFA0":"#f5f5f5");
    //将选中的日期显示为凹下去

    if((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 &&
    meizzWDay[i]==outDate.getDate())
    {
     da.borderColorLight="#FFFFFF";
     da.borderColorDark="#D5D4E2";
    }
   }
  }
  else  //本月的部分

  {
   da.innerHTML="<b>" + meizzWDay[i] + "</b>";
   da.title=mm +"月" + meizzWDay[i] + "日";
   da.onclick=Function("meizzDayClick(this.innerText,0)");  //给td赋予onclick事件的处理

   //如果是当前选择的日期,则显示亮蓝色的背景;如果是当前日期,则显示暗黄色背景
   if(!outDate)
    da.style.backgroundColor = (yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())?
     "#5CEFA0":"#f5f5f5";
   else
   {
    da.style.backgroundColor =(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())?
     "#FFFF66":((yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())?
     "#5CEFA0":"#f5f5f5");
    //将选中的日期显示为凹下去

    if(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())
    {
     da.borderColorLight="#FFFFFF";
     da.borderColorDark="#D5D4E2";
    }
   }
  }
    da.style.cursor="hand"
   }
  else { da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default"; }
 }
}

function meizzDayClick(n,ex) //点击显示框选取日期,主输入函数*************
{
 parent.meizzTheDate=n;
 var yy=meizzTheYear;
 var mm = parseInt(meizzTheMonth)+ex; //ex表示偏移量,用于选择上个月份和下个月份的日期
 var hh=meizzTheHour;
 var mi=meizzTheMinute;
 var se=meizzTheSecond;
 //判断月份,并进行对应的处理

 if(mm<1){
  yy--;
  mm=12+mm;
 }
 else if(mm>12){
  yy++;
  mm=mm-12;
 }

 if (mm < 10) {mm = "0" + mm;}
 if (hh<10)  {hh="0" + hh;} //时
 if (mi<10)  {mi="0" + mi;} //分
 if (se<10)  {se="0" + se;} //秒

 if (outObject)
 {
  if (!n) { //outObject.value="";
   return;}
  if ( n < 10){n = "0" + n;}

  WriteDateTo(yy,mm,n,hh,mi,se);

  if (bUseTime)
  {
   try
   {
    outButton.click();
   }
   catch (e)
   {
    setday(outObject);
   }
  }
 }
 else {alert("您所要输出的控件对象并不存在!");}
 closeLayer();
}

function format(n) //格式化数字为两位字符表示
{
 var m=new String();
 var tmp=new String(n);
 if (n<10 && tmp.length<2)
 {
  m="0"+n;
 }
 else
 {
  m=n;
 }
 return m;
}

function evaSetTime()  //设置用户选择的小时、分钟
{
 odatelayer.meizzHourHead.innerText=meizzTheHour+" 时";
 odatelayer.meizzMinuteHead.innerText=meizzTheMinute+" 分";
 odatelayer.meizzSecondHead.innerText=meizzTheSecond+" 秒";
 WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond)
}

function evaSetTimeNothing() //设置时间控件为空
{
 odatelayer.meizzHourHead.innerText="";
 odatelayer.meizzMinuteHead.innerText="";
 odatelayer.meizzSecondHead.innerText="";
 WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond)
}

function evaSetTimeNow() //设置时间控件为当前时间
{
 odatelayer.meizzHourHead.innerText=new Date().getHours()+" 时";
 odatelayer.meizzMinuteHead.innerText=new Date().getMinutes()+" 分";
 odatelayer.meizzSecondHead.innerText=new Date().getSeconds()+" 秒";
 meizzTheHour = new Date().getHours();
 meizzTheMinute = new Date().getMinutes();
 meizzTheSecond = new Date().getSeconds();
 WriteDateTo(meizzTheYear,meizzTheMonth,meizzTheDate,meizzTheHour,meizzTheMinute,meizzTheSecond)
}

function UseTime(ctl)
{
 bUseTime=!bUseTime;
 if (bUseTime)
 {
  bImgSwitch();
  ctl.innerHTML=bImg;
  evaSetTime();  //显示时间,用户原来选择的时间
  //evaSetTimeNow(); //显示当前时间
 }
 else
 {
  bImgSwitch();
  ctl.innerHTML=bImg;
  evaSetTimeNothing();
 }
}

function WriteDateTo(yy,mm,n,hh,mi,se)
{
 if (bUseTime)
 {
  outObject.value= yy + "-" + format(mm) + "-" + format(n) + " " + format(hh) + ":" + format(mi) + ":" + format(se); //注:在这里你可以输出改成你想要的格式
 }
 else
 {
  outObject.value= yy + "-" + format(mm) + "-" + format(n); //注:在这里你可以输出改成你想要的格式
 }
}

function bImgSwitch()
{
 if (bUseTime)
 {
  //bImg="开启";
                bImg="时间:";
 }
 else
 {
  //bImg="关闭";
                bImg="时间:";
 }
}


-------------

test.html

<script type="text/javascript" language="javascript" src="dateTime.js"></script>
<input id="aa" onfocus="setday(this)" readonly  />