用JavaScript在網頁中顯示可拖動月曆

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML><HEAD><TITLE>可拖動月曆</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<SCRIPT language=JavaScript type=text/javascript>
//定義月曆函數
function calendar() {
var today = new Date();  //創建日期對象
year = today.getYear();  //讀取年份
thisDay = today.getDate();  //讀取當前日

//創建每月天數數組
var monthDays = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
//如果是閏年,2月份的天數爲29天
if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) monthDays[1] = 29;
daysOfCurrentMonth = monthDays[today.getMonth()];  //從每月天數數組中讀取當月的天數
firstDay = today;//複製日期對象
firstDay.setDate(1); //設置日期對象firstDay的日爲1號
startDay = firstDay.getDay(); //確定當月第一天是星期幾

//定義週日和月份中文名數組
var dayNames = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
var monthNames = new Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");
//創建日期對象
var newDate = new Date();

//創建表格
document.write("<TABLE BORDER='0' CELLSPACING='0' CELLPADDING='2' ALIGN='CENTER' BGCOLOR='#0080FF'>")
document.write("<TR><TD><table border='0' cellspacing='1' cellpadding='2' bgcolor='#88FF99'>");
document.write("<TR><th colspan='7' bgcolor='#C8E3FF'>");

//顯示當前日期和週日
document.writeln("<FONT STYLE='font-size:9pt;Color:#FF0000'>" + newDate.getYear() + "年" + monthNames[newDate.getMonth()] + " " + newDate.getDate() + "日 " + dayNames[newDate.getDay()] + "</FONT>");
//顯示月曆表頭
document.writeln("</TH></TR><TR><TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>日</FONT></TH>");
document.writeln("<th bgcolor='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>一</FONT></TH>");
document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>二</FONT></TH>");
document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>三</FONT></TH>");
document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>四</FONT></TH>");
document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>五</FONT></TH>");
document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>六</FONT></TH>");
document.writeln("</TR><TR>");
//顯示每月前面的"空日"
column = 0;
for (i=0; i<startDay; i++) {
document.writeln("/n<TD><FONT STYLE='font-size:9pt'> </FONT></TD>");
column++;
}

//如果是當前日就突出顯示(紅色),否則正常顯示(黑色)
for (i=1; i<=daysOfCurrentMonth; i++) {
if (i == thisDay) {
document.writeln("</TD><TD ALIGN='CENTER'><FONT STYLE='font-size:9pt;Color:#ff0000'><B>")
}
else {
document.writeln("</TD><TD BGCOLOR='#88FF99' ALIGN='CENTER'><FONT STYLE='font-size:9pt;font-family:Arial;font-weight:bold;Color:#000000'>");
}
document.writeln(i);
if (i == thisDay) document.writeln("</FONT></TD>")
column++;
if (column == 7) {
document.writeln("<TR>");
column = 0;
}
}
document.writeln("<TR><TD COLSPAN='7' ALIGN='CENTER' VALIGN='TOP' BGCOLOR='#0080FF'>")
document.writeln("<FORM NAME='time' onSubmit='0'><FONT STYLE='font-size:9pt;Color:#ffffff'>")
//顯示當前時間
document.writeln("當前時間:<INPUT TYPE='Text' NAME='textbox' ALIGN='TOP'></FONT></TD></TR></TABLE>")
document.writeln("</TD></TR></TABLE></FORM>");
}
</SCRIPT>

<SCRIPT language=JavaScript>
//初始化控制變量
var timerID = null;
var timerRunning = false;

//定義時間顯示函數
function stoptime (){
if(timerRunning)
clearTimeout(timerID);
timerRunning = false;}

//定義顯示時間函數
function showtime () {
var newDate = new Date();
var hours = newDate.getHours();
var minutes = newDate.getMinutes();
var seconds = newDate.getSeconds()
var timeValue = " " + ((hours >12) ? hours -12 :hours)
timeValue += ((minutes < 10) ? ":0" : ":") + minutes
timeValue += ((seconds < 10) ? ":0" : ":") + seconds
timeValue += (hours >= 12) ? " 下午 " : " 上午 "
document.time.textbox.value = timeValue;
timerID = setTimeout("showtime()",1000);//設置超時,使時間動態顯示
timerRunning = true;}

//顯示當前時間
function starttime () {
stoptime();
showtime();}
</SCRIPT>

<SCRIPT language=JavaScript type=text/JavaScript>
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function MM_dragLayer(objName,x,hL,hT,hW,hH,toFront,dropBack,cU,cD,cL,cR,targL,targT,tol,dropJS,et,dragJS) { //v4.01
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    curDrag.MM_dragOk=true; curDrag.MM_targL=targL; curDrag.MM_targT=targT;
    curDrag.MM_tol=Math.pow(tol,2); curDrag.MM_hLeft=hL; curDrag.MM_hTop=hT;
    curDrag.MM_hWidth=hW; curDrag.MM_hHeight=hH; curDrag.MM_toFront=toFront;
    curDrag.MM_dropBack=dropBack; curDrag.MM_dropJS=dropJS;
    curDrag.MM_everyTime=et; curDrag.MM_dragJS=dragJS;
    curDrag.MM_oldZ = (NS4)?curDrag.zIndex:curDrag.style.zIndex;
    curLeft= (NS4)?curDrag.left:(NS6)?parseInt(curDrag.style.left):curDrag.style.pixelLeft;
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    curTop = (NS4)?curDrag.top:(NS6)?parseInt(curDrag.style.top):curDrag.style.pixelTop;
    if (String(curTop)=="NaN") curTop=0; curDrag.MM_startT = curTop;
    curDrag.MM_bL=(cL<0)?null:curLeft-cL; curDrag.MM_bT=(cU<0)?null:curTop-cU;
    curDrag.MM_bR=(cR<0)?null:curLeft+cR; curDrag.MM_bB=(cD<0)?null:curTop+cD;
    curDrag.MM_LEFTRIGHT=0; curDrag.MM_UPDOWN=0; curDrag.MM_SNAPPED=false; //use in your JS!
    document.onmousedown = MM_dragLayer; document.onmouseup = MM_dragLayer;
    if (NS) document.captureEvents(Event.MOUSEDOWN|Event.MOUSEUP);
  } else {
    var theEvent = ((NS)?objName.type:event.type);
    if (theEvent == 'mousedown') {
      var mouseX = (NS)?objName.pageX : event.clientX + document.body.scrollLeft;
      var mouseY = (NS)?objName.pageY : event.clientY + document.body.scrollTop;
      var maxDragZ=null; document.MM_maxZ = 0;
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        var aLayerZ = (NS4)?aLayer.zIndex:parseInt(aLayer.style.zIndex);
        if (aLayerZ > document.MM_maxZ) document.MM_maxZ = aLayerZ;
        var isVisible = (((NS4)?aLayer.visibility:aLayer.style.visibility).indexOf('hid') == -1);
        if (aLayer.MM_dragOk != null && isVisible) with (aLayer) {
          var parentL=0; var parentT=0;
          if (NS6) { parentLayer = aLayer.parentNode;
            while (parentLayer != null && parentLayer.style.position) {            
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              parentLayer = parentLayer.parentNode;
          } } else if (IE) { parentLayer = aLayer.parentElement;      
            while (parentLayer != null && parentLayer.style.position) {
              parentL += parentLayer.offsetLeft; parentT += parentLayer.offsetTop;
              parentLayer = parentLayer.parentElement; } }
          var tmpX=mouseX-(((NS4)?pageX:((NS6)?parseInt(style.left):style.pixelLeft)+parentL)+MM_hLeft);
          var tmpY=mouseY-(((NS4)?pageY:((NS6)?parseInt(style.top):style.pixelTop) +parentT)+MM_hTop);
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          if ((0 <= tmpX && tmpX < tmpW && 0 <= tmpY && tmpY < tmpH) && (maxDragZ == null
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      if (curDrag) {
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        curTop = (NS4)?curDrag.top:(NS6)?parseInt(curDrag.style.top):curDrag.style.pixelTop;
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        MM_oldX = mouseX - curLeft; MM_oldY = mouseY - curTop;
        document.MM_curDrag = curDrag;  curDrag.MM_SNAPPED=false;
        if(curDrag.MM_toFront) {
          eval('curDrag.'+((NS4)?'':'style.')+'zIndex=document.MM_maxZ+1');
          if (!curDrag.MM_dropBack) document.MM_maxZ++; }
        retVal = false; if(!NS4&&!NS6) event.returnValue = false;
    } } else if (theEvent == 'mousemove') {
      if (document.MM_curDrag) with (document.MM_curDrag) {
        var mouseX = (NS)?objName.pageX : event.clientX + document.body.scrollLeft;
        var mouseY = (NS)?objName.pageY : event.clientY + document.body.scrollTop;
        newLeft = mouseX-MM_oldX; newTop  = mouseY-MM_oldY;
        if (MM_bL!=null) newLeft = Math.max(newLeft,MM_bL);
        if (MM_bR!=null) newLeft = Math.min(newLeft,MM_bR);
        if (MM_bT!=null) newTop  = Math.max(newTop ,MM_bT);
        if (MM_bB!=null) newTop  = Math.min(newTop ,MM_bB);
        MM_LEFTRIGHT = newLeft-MM_startL; MM_UPDOWN = newTop-MM_startT;
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      if (NS) document.captureEvents(Event.MOUSEDOWN); //for mac NS
      if (document.MM_curDrag) with (document.MM_curDrag) {
        if (typeof MM_targL =='number' && typeof MM_targT == 'number' &&
            (Math.pow(MM_targL-((NS4)?left:(NS6)?parseInt(style.left):style.pixelLeft),2)+
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        retVal = false; if(!NS) event.returnValue = false; }
      document.MM_curDrag = null;
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    if (NS) document.routeEvent(objName);
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}
//-->
</SCRIPT>

<META content="MSHTML 6.00.2713.1100" name=GENERATOR></HEAD>
<BODY text=#000000 topMargin=0 οnlοad=starttime()>
<DIV id=Layer1
style="Z-INDEX: 1; LEFT: 145px; WIDTH: 230px; POSITION: absolute; TOP: 58px; HEIGHT: 196px"
οnclick="MM_dragLayer('Layer1','',0,0,0,0,true,false,-1,-1,-1,-1,false,false,0,'',false,'')">
<SCRIPT language=JavaScript type=text/javascript>
calendar(); //顯示月曆
</SCRIPT>
</DIV></BODY></HTML>
 

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