点取日期对话框

var bMoveable=true;  
var _VersionInfo="Version:2.0" 

var strFrame;  
document.writeln('<iframe id=meizzDateLayer Author=wayx frameborder=0 style="position: absolute; width: 144; height: 211; z-index: 9998; display: none"></iframe>');
strFrame='<style>';
strFrame+='INPUT.button{BORDER-RIGHT: #ff9900 1px solid;BORDER-TOP: #ff9900 1px solid;BORDER-LEFT: #ff9900 1px solid;';
strFrame+='BORDER-BOTTOM: #ff9900 1px solid;BACKGROUND-COLOR: #fff8ec;font-family:arial;}';
strFrame+='TD{FONT-SIZE: 8pt;font-family:arial;}';
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.meizzDateLayer.style;'
strFrame+='  DateLayer.posLeft += window.event.clientX-datelayerx;'
strFrame+='  DateLayer.posTop += window.event.clientY-datelayery;}}'
strFrame+='function DragStart()'
strFrame+='{var DateLayer=parent.document.all.meizzDateLayer.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"><span id=tmpSelectYearLayer Author=wayx style="z-index: 9999;position: absolute;top: 3; left: 19;display: none"></span>';
strFrame+='<span id=tmpSelectMonthLayer Author=wayx style="z-index: 9999;position: absolute;top: 3; left: 78;display: none"></span>';
strFrame+='<table border=1 cellspacing=0 cellpadding=0 width=142 height=160 bordercolor=#ff9900 bgcolor=#ff9900 Author="wayx">';
strFrame+='  <tr Author="wayx"><td width=142 height=23 Author="wayx" bgcolor=#FFFFFF><table border=0 cellspacing=1 cellpadding=0 width=140 Author="wayx" height=23>';
strFrame+='      <tr align=center Author="wayx"><td width=16 align=center bgcolor=#ff9900 style="font-size:12px;cursor: hand;color: #ffffff" ';
strFrame+='        onclick="parent.meizzPrevM()" title="Previous Month" Author=meizz><b Author=meizz>&lt;</b>';
strFrame+='        </td><td width=60 align=center style="font-size:12px;cursor:default" Author=meizz ';
strFrame+='onmouseover="style.backgroundColor=/'#FFD700/'" onmouseout="style.backgroundColor=/'white/'" ';
strFrame+='onclick="parent.tmpSelectYearInnerHTML(this.innerText.substring(0,4))" title="Choice Year"><span Author=meizz id=meizzYearHead></span></td>';
strFrame+='<td width=48 align=center style="font-size:12px;cursor:default" Author=meizz onmouseover="style.backgroundColor=/'#FFD700/'" ';
strFrame+=' onmouseout="style.backgroundColor=/'white/'" onclick="parent.tmpSelectMonthInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';
strFrame+='        title="Choice Month"><span id=meizzMonthHead Author=meizz></span></td>';
strFrame+='        <td width=16 bgcolor=#ff9900 align=center style="font-size:12px;cursor: hand;color: #ffffff" ';
strFrame+='         onclick="parent.meizzNextM()" title="Next Month" Author=meizz><b Author=meizz>&gt;</b></td></tr>';
strFrame+='    </table></td></tr>';
strFrame+='  <tr Author="wayx"><td width=142 height=18 Author="wayx">';
strFrame+='<table border=1 cellspacing=0 cellpadding=0 bgcolor=#ff9900 ' + (bMoveable? 'onmousedown="DragStart()" onmouseup="DragEnd()"':'');
strFrame+=' BORDERCOLORLIGHT=#FF9900 BORDERCOLORDARK=#FFFFFF width=140 height=20 Author="wayx" style="cursor:' + (bMoveable ? 'move':'default') + '">';
strFrame+='<tr Author="wayx" align=center valign=bottom><td style="font-size:12px;color:#FFFFFF" Author=meizz>SU</td>';
strFrame+='<td style="font-size:12px;color:#FFFFFF" Author=meizz>MO</td><td style="font-size:12px;color:#FFFFFF" Author=meizz>TU</td>';
strFrame+='<td style="font-size:12px;color:#FFFFFF" Author=meizz>WE</td><td style="font-size:12px;color:#FFFFFF" Author=meizz>TH</td>';
strFrame+='<td style="font-size:12px;color:#FFFFFF" Author=meizz>FR</td><td style="font-size:12px;color:#FFFFFF" Author=meizz>SA</td></tr>';
strFrame+='</table></td></tr><!-- Author:F.R.Huang(meizz) http://www.meizz.com/ mail: [e-mail] 2002-10-8 -->';
strFrame+='  <tr Author="wayx"><td width=142 height=120 Author="wayx">';
strFrame+='    <table border=1 cellspacing=2 cellpadding=0 BORDERCOLORLIGHT=#FF9900 BORDERCOLORDARK=#FFFFFF bgcolor=#fff8ec width=140 height=120 Author="wayx">';
var n=0; for (j=0;j<5;j++){ strFrame+= ' <tr align=center Author="wayx">'; for (i=0;i<7;i++){
strFrame+='<td width=20 height=20 id=meizzDay'+n+' style="font-size:12px" Author=meizz onclick=parent.meizzDayClick(this.innerText,0)></td>';n++;}
strFrame+='</tr>';}
strFrame+='      <tr align=center Author="wayx">';
for (i=35;i<39;i++)strFrame+='<td width=20 height=20 id=meizzDay'+i+' style="font-size:12px" Author=wayx onclick="parent.meizzDayClick(this.innerText,0)"></td>';
strFrame+='        <td colspan=3 align=right Author=meizz>';
strFrame+='         <span onclick=parent.meizzDayClick("",0) style="font-size:12px;cursor: hand" Author=meizz title="Clear"><u>No</u></span> ';
strFrame+='         <span onclick=parent.closeLayer() style="font-size:12px;cursor: hand"';
strFrame+='         Author=meizz title="' + _VersionInfo + '"><u>Cl</u></span>&nbsp;</td></tr>';
strFrame+='    </table></td></tr><tr Author="wayx"><td Author="wayx">';
strFrame+='        <table border=0 cellspacing=1 cellpadding=0 width=100% Author="wayx" bgcolor=#FFFFFF>';
strFrame+='          <tr Author="wayx"><td Author=meizz align=left><input Author=meizz type=button class=button value="<<" title="Previous Year" onclick="parent.meizzPrevY()" ';
strFrame+='             onfocus="this.blur()" style="font-size: 12px; height: 20px"><input Author=meizz class=button title="Next Year" type=button ';
strFrame+='             value="< " onclick="parent.meizzPrevM()" onfocus="this.blur()" style="font-size: 12px; height: 20px"></td><td ';
strFrame+='             Author=meizz align=center><input Author=meizz type=button class=button value=Today onclick="parent.meizzToday()" ';
strFrame+='             onfocus="this.blur()" title="Current Date" style="font-size: 12px; height: 20px; cursor:hand"></td><td ';
strFrame+='             Author=meizz align=right><input Author=meizz type=button class=button value=" >" onclick="parent.meizzNextM()" ';
strFrame+='             onfocus="this.blur()" title="Previous Year" class=button style="font-size: 12px; height: 20px"><input ';
strFrame+='             Author=meizz type=button class=button value=">>" title="Next Year" onclick="parent.meizzNextY()"';
strFrame+='             onfocus="this.blur()" style="font-size: 12px; height: 20px"></td>';
strFrame+='</tr></table></td></tr></table></div>';

window.frames.meizzDateLayer.document.writeln(strFrame);
window.frames.meizzDateLayer.document.close();  

var outObject;
var outButton;  
var outDate="";  
var odatelayer=window.frames.meizzDateLayer.document.all;  
function setday(tt,obj)
{
 if (arguments.length >  2){alert("Sorry! Parameter too many");return;}
 if (arguments.length == 0){alert("Sorry! No Parameter!");return;}
 var dads  = document.all.meizzDateLayer.style;
 var th = tt;
 var ttop  = tt.offsetTop;    
 var thei  = tt.clientHeight; 
 var tleft = tt.offsetLeft;   
 var ttyp  = tt.type;         
 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; 

 var reg = /^(/d+)-(/d{1,2})-(/d{1,2})$/;
 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;  
  }
  else outDate="";
   meizzSetDay(r[1],r[2]+1);
 }
 else{
  outDate="";
  meizzSetDay(new Date().getFullYear(), new Date().getMonth() + 1);
 }
 dads.display = '';

 event.returnValue=false;
}

var MonHead = new Array(12);
    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();
var meizzTheMonth=new Date().getMonth()+1;
var meizzWDay=new Array(39);              

function document.onclick()
{
  with(window.event)
  { if (srcElement.getAttribute("Author")==null && srcElement != outObject && srcElement != outButton)
    closeLayer();
  }
}

function document.onkeyup() 
  {
    if (window.event.keyCode==27){
  if(outObject)outObject.blur();
  closeLayer();
 }
 else if(document.activeElement)
  if(document.activeElement.getAttribute("Author")==null && document.activeElement != outObject && document.activeElement != outButton)
  {
   closeLayer();
  }
  }

function meizzWriteHead(yy,mm)
  {
 odatelayer.meizzYearHead.innerText  = yy + " Y";
    odatelayer.meizzMonthHead.innerText = mm + " M";
  }

function tmpSelectYearInnerHTML(strYear)
{
  if (strYear.match(//D/)!=null)
  {
    alert("Year is Wrong Number");
    return;
  }
 
  var m = (strYear) ? strYear : new Date().getFullYear();
  if (m < 1000 || m > 9999) {alert("Year out 1000 to 9999 !");return;}
  var n = m - 10;
  if (n < 1000) n = 1000;
  if (n + 26 > 9999) n = 9974;
  var s = "<select Author=meizz 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 + 26; i++)
  {
    if (i == m)
       {selectInnerHTML += "<option Author=wayx value='" + i + "' selected>" + i + "</option>/r/n";}
    else {selectInnerHTML += "<option Author=wayx value='" + i + "'>" + i + "Year" + "</option>/r/n";}
  }
  selectInnerHTML += "</select>";
  odatelayer.tmpSelectYearLayer.style.display="";
  odatelayer.tmpSelectYearLayer.innerHTML = selectInnerHTML;
  odatelayer.tmpSelectYear.focus();
}

function tmpSelectMonthInnerHTML(strMonth)
{
  if (strMonth.match(//D/)!=null){alert("Month is Wrong Number");return;}
  var m = (strMonth) ? strMonth : new Date().getMonth() + 1;
  var s = "<select Author=meizz 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 Author=wayx value='"+i+"' selected>"+i+"</option>/r/n";}
    else {selectInnerHTML += "<option Author=wayx value='"+i+"'>"+i+"</option>/r/n";}
  }
  selectInnerHTML += "</select>";
  odatelayer.tmpSelectMonthLayer.style.display="";
  odatelayer.tmpSelectMonthLayer.innerHTML = selectInnerHTML;
  odatelayer.tmpSelectMonth.focus();
}

function closeLayer()              
  {
    document.all.meizzDateLayer.style.display="none";
  }

function IsPinYear(year)           
  {
    if (0==year%4&&((year%100!=0)||(year%400==0))) return true;else return false;
  }

function GetMonthCount(year,month) 
  {
    var c=MonHead[month-1];if((month==2)&&IsPinYear(year)) c++;return c;
  }
function GetDOW(day,month,year)    
  {
    var dt=new Date(year,month-1,day).getDay()/7; return dt;
  }

function meizzPrevY() 
  {
    if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear--;}
    else{alert("Year out 1000 to 9999 !");}
    meizzSetDay(meizzTheYear,meizzTheMonth);
  }
function meizzNextY() 
  {
    if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear++;}
    else{alert("Year out 1000 to 9999 !");}
    meizzSetDay(meizzTheYear,meizzTheMonth);
  }
function meizzToday()  //Today Button
  {
 var today;
    meizzTheYear = new Date().getFullYear();
    meizzTheMonth = new Date().getMonth()+1;
 if(meizzTheMonth<10){meizzTheMonth="0"+meizzTheMonth;}
    today=new Date().getDate();
 if(today<10){today="0"+today;}
    //meizzSetDay(meizzTheYear,meizzTheMonth);
    if(outObject){
  outObject.value=meizzTheYear + "-" + meizzTheMonth + "-" + today;
    }
    closeLayer();
  }
function meizzPrevM() 
  {
    if(meizzTheMonth>1){meizzTheMonth--}else{meizzTheYear--;meizzTheMonth=12;}
    meizzSetDay(meizzTheYear,meizzTheMonth);
  }
function meizzNextM() 
  {
    if(meizzTheMonth==12){meizzTheYear++;meizzTheMonth=1}else{meizzTheMonth++}
    meizzSetDay(meizzTheYear,meizzTheMonth);
  }

function meizzSetDay(yy,mm)  
{
  meizzWriteHead(yy,mm);
  meizzTheYear=yy;
  meizzTheMonth=mm;
 
  for (var i = 0; i < 39; i++){meizzWDay[i]=""}; 
  var day1 = 1,day2=1,firstday = new Date(yy,mm-1,1).getDay(); 
  for (i=0;i<firstday;i++)meizzWDay[i]=GetMonthCount(mm==1?yy-1:yy,mm==1?12:mm-1)-firstday+i+1 
  for (i = firstday; day1 < GetMonthCount(yy,mm)+1; i++){meizzWDay[i]=day1;day1++;}
  for (i=firstday+GetMonthCount(yy,mm);i<39;i++){meizzWDay[i]=day2;day2++}
  for (i = 0; i < 39; i++)
  { var da = eval("odatelayer.meizzDay"+i)    
    if (meizzWDay[i]!="")
      {
  da.borderColorLight="#FF9900";
  da.borderColorDark="#FFFFFF";
  if(i<firstday)  
  {
   da.innerHTML="<b><font color=gray>" + meizzWDay[i] + "</font></b>";
   da.title=(mm==1?12:mm-1) +"Month" + meizzWDay[i] + "Day";
   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()) ?
      "#FFD700":"#e0e0e0";
   else
   {
    da.style.backgroundColor =((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 &&
    meizzWDay[i]==outDate.getDate())? "#00ffff" :
    (((mm==1?yy-1:yy) == new Date().getFullYear() && (mm==1?12:mm-1) == new Date().getMonth()+1 &&
    meizzWDay[i] == new Date().getDate()) ? "#FFD700":"#e0e0e0");
    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="#FF9900";
    }
   }
  }
  else if (i>=firstday+GetMonthCount(yy,mm))  
  {
   da.innerHTML="<b><font color=gray>" + meizzWDay[i] + "</font></b>";
   da.title=(mm==12?1:mm+1) +"Month" + meizzWDay[i] + "Day";
   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()) ?
      "#FFD700":"#e0e0e0";
   else
   {
    da.style.backgroundColor =((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 &&
    meizzWDay[i]==outDate.getDate())? "#00ffff" :
    (((mm==12?yy+1:yy) == new Date().getFullYear() && (mm==12?1:mm+1) == new Date().getMonth()+1 &&
    meizzWDay[i] == new Date().getDate()) ? "#FFD700":"#e0e0e0");
    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="#FF9900";
    }
   }
  }
  else
  {
   da.innerHTML="<b>" + meizzWDay[i] + "</b>";
   da.title=mm +"Month" + meizzWDay[i] + "Day";
   da.onclick=Function("meizzDayClick(this.innerText,0)");
   
   if(!outDate)
    da.style.backgroundColor = (yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())?
     "#FFD700":"#e0e0e0";
   else
   {
    da.style.backgroundColor =(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())?
     "#00ffff":((yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())?
     "#FFD700":"#e0e0e0");
    if(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())
    {
     da.borderColorLight="#FFFFFF";
     da.borderColorDark="#FF9900";
    }
   }
  }
        da.style.cursor="hand"
      }
    else{da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default"}
  }
}

function meizzDayClick(n,ex) 
{
  var yy=meizzTheYear;
  var mm = parseInt(meizzTheMonth)+ex; 
 if(mm<1){
  yy--;
  mm=12+mm;
 }
 else if(mm>12){
  yy++;
  mm=mm-12;
 }
 
  if (mm < 10){mm = "0" + mm;}
  if (outObject)
  {
    if(n==''){
     outObject.value='';
     closeLayer();
     return;
    }   
    if (!n) {//outObject.value="";
      return;}

    if ( n < 10){n = "0" + n;}
    outObject.value= yy + "-" + mm + "-" + n ;
    closeLayer();
  }
  else {closeLayer(); alert("Control Not Exist!");}
} 

用法为：在页面中增加以下代码

<img src="images/date-logo.gif" align="absMiddle" border="0" onclick="setday(this,指定的变量名或者输入框名)" style="cursor:hand" />
        (yyyy-MM-dd)