javascript脚本实现日历控件

最新推荐文章于 2024-08-28 14:25:09 发布

iteye_13202

最新推荐文章于 2024-08-28 14:25:09 发布

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文章标签： javascript xhtml ViewUI

<html>

<head>

<scripttype="text/javascript" language="javascript">

进来项目中要用到日期控件，又无先例，故而本人狠下决心，参照多方，写下这段js源码，编译，运行都通过，如有疑问，或者不知如何用，欢迎mail：

【 zhe-jiang.he@hp.com】

以下是src：

/**

* add auto hide when mouse moveout

* @version 1.0.1

* @date 2013-11-28

* @author zhe-jiang.he@hp.com

/**

* Date Picker

* @paraminputObj The input object want tocontain date.

* @paramdateFormatStyle Default DateFormatter is "yyyy-MM-dd", you could use your own defined format.

* @parambeginDate Default value is 1990-01-01

* @paramendDate Default value is2020-01-01

* @paramlang0(English)|1(Chinese) DefaultLanguage is 0(English).

functionsetday(inputObj,dateFormatStyle,beginDate,endDate,lang){

if(null == inputObj){return null;}

newCalendar(inputObj,dateFormatStyle,beginDate,endDate,lang).show();

}

/**

* Month Picker

* @paraminputObj The input object want tocontain date.

* @paramdateFormatStyle Default DateFormatter is "yyyy-MM", you could use your own defined format.

* @parambeginDate Default value is 1990-01

* @paramendDate Default value is 2020-01

* @paramlang0(English)|1(Chinese) DefaultLanguage is 0(English).

functionsetmonth(inputObj,dateFormatStyle,beginDate,endDate,lang){

if(null == inputObj){return null;}

newCalendar(inputObj,dateFormatStyle,beginDate,endDate,lang,"m").show();

}

/**

CalendarStyle

Calendar.prototype.style= function(){

var strStyle = "<style type='text/css'>";

strStyle += ".calendar {font-size:12px;margin:0;padding:0px;border:1px solid #397EAE;background-color:#DBE7F2;}";

strStyle += ".calendar ul {list-style-type:none; margin:0;padding:0;vertical-align:middle;}";

strStyle += ".calendar li {float:left;}.calendarb{font-weight:bold;}";

strStyle += ".calendar .day li {height:20px;}";

strStyle += ".calendar .day li,.calendar .dateli{float:left;width:14.13%;height:20px;line-height:20px;text-align:center;}";

strStyle += ".calendar .day li{font-weight:bold;} .calendar.date li{background-color:#EDF3F9;}";

strStyle += ".calendar .monthli{float:left;width:24.8%;height:20px;line-height:20px;text-align:center;background-color:#EDF3F9;}";

strStyle += ".calendar li a{ text-decoration:none;font-family:Tahoma; font-size:11px; color:#333}";

strStyle += ".calendar li:hover {cursor:pointer;color:#f30;text-decoration:none;background-color:#EDF3F9;}";

strStyle += ".calendar .date li:hover, .calendar .monthli:hover{cursor:pointer;color:#f30;text-decoration:none;background-color:#DBE7F2;}";

strStyle += ".calendarlihover{color:#f30;text-decoration:none;background-color:#E8F2FE;}";

strStyle += ".calendar li a.hasArticle {font-weight:bold;color:#f60 !important}";

strStyle += ".lastMonthDate, .nextMonthDate{color:#bbb;font-size:11px}";

strStyle += ".selectThisYear,.selectThisMonth{text-decoration:none; margin:0px; color:#000;font-weight:bold}";

strStyle += ".calendar .LastMonth, .calendar.NextMonth{text-decoration:none; color:#000; font-size:18px; font-weight:bold;line-height:16px;}";

strStyle +=".calendarTitle{background:#EDF3F9;text-align:center;height:20px;line-height:20px;clear:both;width:100%;}";

strStyle += ".calendarTitle.mark{text-decoration:none;color:#000;font-family:Tahoma;font-size:18px;font-weight:normal;}";

strStyle += ".today{ background-color:#ffffaa;border:1px solid#f60;padding:0 1px;}";

strStyle += ".today a { color:#f30; }";

strStyle += ".calendarBottom{text-align:center;height:20px;line-height:20px;clear:both;width:100%;border-top:1pxsolid #ddd;}";

strStyle += ".calendarBottomli{float:left;height:20px;line-height:20px;font-weight:bold;text-align:center;}";

strStyle += "</style>";

return strStyle;

}

/**

//ClassicStyle

Calendar.prototype.style= function(){

var strStyle = "<style type='text/css'>";

strStyle += ".calendar {font-size:12px;margin:0;padding:0px;border:1px solid #397EAE;}";

strStyle += ".calendar ul {list-style-type:none; margin:0;padding:0;vertical-align:middle;}";

strStyle += ".calendar li {float:left;}.calendarb{font-weight:bold;}";

strStyle += ".calendar .day { background-color:#EDF5FF;height:20px;}";

strStyle += ".calendar .day li,.calendar .date li{ float:left;width:14.13%; height:20px; line-height:20px; text-align:center}";

strStyle += ".calendar .month li{ float:left; width:24.8%;height:20px; line-height:20px; text-align:center}";

strStyle += ".calendar li a{ text-decoration:none;font-family:Tahoma; font-size:11px; color:#333}";

strStyle += ".calendar li:hover {cursor:pointer;color:#f30;text-decoration:none;background-color:#E8F2FE;}";

strStyle += ".calendarlihover{color:#f30;text-decoration:none;background-color:#E8F2FE;}";

strStyle += ".calendar li a.hasArticle {font-weight:bold;color:#f60 !important}";

strStyle += ".lastMonthDate, .nextMonthDate{color:#bbb;font-size:11px}";

strStyle += ".selectThisYear,.selectThisMonth{text-decoration:none; margin:0px; color:#000;font-weight:bold}";

strStyle += ".calendar .LastMonth, .calendar.NextMonth{text-decoration:none; color:#000; font-size:18px; font-weight:bold;line-height:16px;}";

strStyle += ".calendarTitle{text-align:center;height:20px;line-height:20px;clear:both;width:100%;}";

strStyle += ".calendarTitle .mark{text-decoration:none;color:#000;font-family:Tahoma;font-size:18px;font-weight:normal;line-height:16px;}";

strStyle += ".today{ background-color:#ffffaa;border:1px solid#f60;padding:0 1px;}";

strStyle += ".today a { color:#f30; }";

strStyle += ".calendarBottom{text-align:center;height:20px;line-height:20px;clear:both;width:100%;border-top:1pxsolid #ddd;}";

strStyle += ".calendarBottomli{float:left;height:20px;line-height:20px;font-weight:bold;text-align:center;}";

strStyle += "</style>";

return strStyle;

}

functiongetFrameDocument(frame){

if ( frame.contentDocument ) { // DOM

var doc = frame.contentDocument;

} else if (frame.contentWindow) { // IE win

var doc = frame.contentWindow.document;

}

return doc;

}

/**

* Parse Date value from String

* @param format the pattern of date

String.prototype.toDate= function(format){

if(null == format) format="yyyy-MM-dd";

var pattern = format.replace("yyyy", "(\\~1{4})").replace("yy","(\\~1{2})")

.replace("MM", "(\\~1{2})").replace("M","(\\~1{1,2})")

.replace("dd", "(\\~1{2})").replace("d","(\\~1{1,2})").replace(/~1/g,"d");

var returnDate;

if (new RegExp(pattern).test(this)) {

var yPos =format.indexOf("yyyy");

var mPos =format.indexOf("MM");

var dPos =format.indexOf("dd");

if (mPos == -1) mPos =format.indexOf("M");

if (yPos == -1) yPos =format.indexOf("yy");

if (dPos == -1) dPos =format.indexOf("d");

var pos = new Array(yPos +"y", mPos + "m", dPos + "d");

var data = { y: 0, m: 0,d: 1};

var m =this.match(pattern);

for (var i = 1; i <m.length; i++) {

if (i == 0) return;

var flag = pos[i -1].split('')[1];

data[flag] = m[i];

//alert(pos[i-1] +",flag:"+flag + ",i:" + i + "," + data[flag]);

};

if(data.y.toString().length == 2) {

data.y =parseInt("20" + data.y);

}

data.m = data.m - 1;

returnDate = newDate(data.y, data.m, data.d);

}

if (returnDate == null || isNaN(returnDate)) returnDate = newDate();

return returnDate;

};

/**

* Date Format

* @param style date format like 'yyyyMMdd'

Date.prototype.format= function(style) {

var o = {

"M+" : this.getMonth() + 1,//month

"d+" : this.getDate(), //day

"h+" : this.getHours(), //hour

"m+" : this.getMinutes(), //minute

"s+" : this.getSeconds(), //second

"w+" : "æ—¥ä¸€äºŒä¸‰å››äº”å…".charAt(this.getDay()), //week

"q+" :Math.floor((this.getMonth() + 3) / 3),//quarter

"S" : this.getMilliseconds() //millisecond

}

if(/(y+)/.test(style)) {

style = style.replace(RegExp.$1, (this.getFullYear() +"").substr(4 - RegExp.$1.length));

}

for(var k in o){

if(new RegExp("("+ k+")").test(style)){

style = style.replace(RegExp.$1,RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" +o[k]).length));

}

return style;

};

/**

Date addby interval

@paraminterval y Year,m Month,dDay,w Week

@paramnumber

Date.prototype.dateAdd= function(interval, number) {

switch (interval) {

case "y":

return new Date(this.getFullYear() + number, this.getMonth(),this.getDate());

break;

case "m":

return new Date(this.getFullYear(), this.getMonth() + number,checkDate(this.getFullYear(), this.getMonth() + number, this.getDate()));

break;

case "d":

return new Date(this.getFullYear(), this.getMonth(), this.getDate()+ number);

break;

case "w":

return new Date(this.getFullYear(), this.getMonth(), 7 * number +this.getDate());

break;

}

functioncheckDate(year, month, date){

var enddate = ["31", "28", "31","30", "31", "30", "31", "31","30", "31", "30", "31"];

var returnDate = "";

if (year % 4 == 0) {

enddate[1] = "29";

}

if (date > enddate[month]) {

returnDate = enddate[month];

} else {

returnDate = date;

}

return returnDate;

}

/**

Calendarlanguage pack

defaultsupport english and chinese,if you want to add some other language, pleaseextend it.

Calendar.language= {

"title":[["",""],["å¹´","æœˆ"]],

"months":[["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"],

["ä¸€æœˆ","äºŒæœˆ","ä¸‰æœˆ","å››æœˆ","äº”æœˆ","å…æœˆ","ä¸ƒæœˆ","å…«æœˆ","ä¹æœˆ","åæœˆ","åä¸€æœˆ","åäºŒæœˆ"]

"weeks":[["S","M","T","W","T","F","S"],

["æ—¥","ä¸€","äºŒ","ä¸‰","å››","äº”","å…"]

weekday:["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],

"clear":[["Clear"], ["æ¸…ç©º"]],

"today":[["Today","Current"], ["ä»Šå¤©","å½“æœˆ"]],

"close":[["Close"], ["å…³é—"]]

};

/**

* Calendar class

* @parambeginDate 1990-01-01

* @paramendDate 2020-01-01

* @paramlang0(English)|1(Chinese)

* @paramdateFormatStyle"yyyy-MM-dd";

* @paramtype d Date Picker/m Month Picker

* @version 2010-08-20

* @authorCoral(coraldane@gmail.com)

* @update

functionCalendar(inputObj, dateFormatStyle, beginDate, endDate, lang, type) {

this.beginDate ="1900-01-01".toDate();

this.endDate ="2020-01-01".toDate();

this.lang = 0; //default language

this.type = "d";

this.dateFormatStyle ="yyyy-MM-dd";

if(null != type){

this.type = type;

if("m" ==this.type){

this.dateFormatStyle= "yyyy-MM";

}

if (dateFormatStyle != null){

this.dateFormatStyle = dateFormatStyle;

}

this.currentDate = new Date();

var currDate = new Date();

if(null != inputObj.value &&"" != inputObj.value){

currDate =inputObj.value.toDate(this.dateFormatStyle);

}

if(null != currDate){

this.date = currDate;

}else{

this.date = new Date();

}

if (null != beginDate){

this.beginDate = beginDate;

}

if(null != endDate){

this.endDate = endDate;

}

if (lang != null){

this.lang = lang;

}

this.dateControl = inputObj;

this.panel =document.getElementById("calendarPanel");

this.iframe =document.getElementById("calendarIframe");

this.isFocus = false;

this.draw();

}

Calendar.prototype.draw= function() {

var currDate =this.date.format("yyyy-MM").toDate("yyyy-MM");

if(currDate < this.beginDate){

this.date =this.beginDate;

}

if(currDate > this.endDate){

this.date =this.endDate;

}

this.year = this.date.getFullYear();

this.month = this.date.getMonth();

var head= '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'+

'<htmlxmlns="http://www.w3.org/1999/xhtml"><head><metahttp-equiv="Content-Type" content="text/html;charset=UTF-8" />' +

this.style() + '</head><bodystyle="padding:0px;margin:0px;">';

var thisMonthFirstDate =this.date.dateAdd("d",1-this.date.getDate());

var lastMonthEndDate =thisMonthFirstDate.dateAdd("d",-1);

var lastMonthDate = thisMonthFirstDate.getDay();

lastMonthEndDate =lastMonthEndDate.getDate();

var thisMonthLastDate =thisMonthFirstDate.dateAdd("m",1).dateAdd("d",-1);

var thisMonthEndDate =thisMonthLastDate.getDate();

var thisMonthEndDay =thisMonthLastDate.getDay();

var lis = "<div id='calendar'class='calendar' style='width:";

if("d" == this.type){

lis += "150";

}else{

lis += "120";

}

lis += "px;'>";

lis += "<divclass='calendarTitle'><ul>";

lis += "<li id='PrevYear'class='mark' style='width:12%;' title='PreviousYear'>«</li>";

if("d" == this.type){

lis += "<liid='PrevMonth' class='mark' style='width:12%;' title='PreviousMonth'>&lsaquo;</li>";

lis += "<listyle='width:30%;'><span id='selectThisYear'class='selectThisYear'>" + this.date.getFullYear() +"</span>" + Calendar.language["title"][this.lang][0]+ "</li>";

if(0 == this.lang){

lis+= "<li style='width:20%;'><span id='selectThisMonth'class='selectThisMonth'>" + Calendar.language["months"][this.lang][this.date.getMonth()]+ "</span></li>";

}else{

lis+= "<li style='width:20%;'><span id='selectThisMonth'class='selectThisMonth'>" + (this.date.getMonth() +1) +"</span>" + Calendar.language["title"][this.lang][1]+ "</li>";

}

lis += "<liid='NextMonth' class='mark' style='width:12%;' title='NextMonth'>&rsaquo;</li>";

lis += "<liid='NextYear' class='mark' style='width:12%;' title='NextYear'>»</li></ul></div>";

lis += "<div class='calendarBody'>";

lis += "<ulclass='day'>";

for(vari=0;i<Calendar.language.weeks[this.lang].length;i++){

lis+= "<li title='" + Calendar.language.weekday[i] +"'>" + Calendar.language.weeks[this.lang][i] +"</li>";

}

lis +="</ul><ul class='date' id='thisMonthDate'>";

var lastMonthLis ="";

for (var i = 0; i <lastMonthDate; i++) { // Last Month's Date

//alert(lastMonthDate+ "," + lastMonthEndDate);

lastMonthLis = "<li class='lastMonthDate'>" +lastMonthEndDate + "</li>" + lastMonthLis;

lastMonthEndDate--;

}

lis += lastMonthLis;

for (i = 1; i <= thisMonthEndDate; i++) { // Current Month's Date

var currentDate = thisMonthFirstDate.dateAdd("d",(i-1));

if(currentDate < this.beginDate || currentDate >this.endDate){

lis += "<li class='lastMonthDate'>" + i +"</li>";

continue;

}

lis += "<li class='thisMonth' title='" +currentDate.format("yyyy-MM-dd") + "'><ahref='javascript:void(0);' ";

if(currentDate.format("yyyy-MM-dd") ==(this.date).format("yyyy-MM-dd")){

lis += "class='today' ";

}

lis += ">" + i + "</a></li>";

}

var j = 1;

for (i = thisMonthEndDay; i < 6; i++) { // Next Month's Date

lis += "<li class='nextMonthDate'>" + j +"</li>";

j++;

}

lis +="</ul>"

lis +="</div>";//close calendarBody

lis += "<div class='calendarBottom'><ul>";

lis += "<li id='emptyCalendar' style='width:27%;'title='Clear'>" + Calendar.language.clear[this.lang]+"</li>";

lis += "<li id='selectCurrent' style='width:45%;'title='Today'>" + Calendar.language.today[this.lang][0]+"</li>";

}else{

lis += "<listyle='width:74%;'><span id='selectThisYear'class='selectThisYear'>" + this.date.getFullYear() +"</span>" + Calendar.language["title"][this.lang][0]+ "</li>";

lis += "<liid='NextYear' class='mark' style='width:12%;' title='NextYear'>»</li></ul></div>";

lis += "<divclass='calendarBody'>";

lis +="</ul><ul class='month' id='thisMonth'>";

for(var i=1; i<=12;i++){

varcurrentDate = (this.year + "-" +(i>9?i:"0"+i)).toDate("yyyy-MM");

if(currentDate< this.beginDate || currentDate > this.endDate){

lis+= "<li class='lastMonthDate'>" + i + "</li>";

continue;

}

lis+= "<li class='thisMonth' title='" + this.year + "-" +(i>9?i:"0"+i) + "-01'><ahref='javascript:void(0);'";

if((this.year+"-"+(i>9?i:"0"+i))== (this.date).format("yyyy-MM")){

lis+= " class='today' ";

}

lis+= ">" + i + "</a></li>";

}

lis +="</ul>"

lis +="</div>";//close calendarBody

lis += "<div class='calendarBottom'><ul>";

lis += "<li id='emptyCalendar' style='width:27%;'title='Clear'>" + Calendar.language.clear[this.lang]+"</li>";

lis += "<li id='selectCurrent' style='width:45%;'title='Current Month'>" + Calendar.language.today[this.lang][1]+"</li>";

}

lis += "<li id='closeCalendar'style='width:27%;' title='Close'>" + Calendar.language.close[this.lang]+"</li>";

lis +="</ul></div>";//close calendarBottom

lis += "</div>";//closecalendar

lis +="</body></html>";

var doc = getFrameDocument(this.iframe);

doc.writeln(head);

doc.writeln(lis);

doc.close();

this.document = doc;

this.bingEvent();

}

/**

* BindClick Event into Calendar

Calendar.prototype.bingEvent= function(){

var calendar = this;

this.setAutoHeight();

this.panel.onmouseover =function(){calendar.isFocus = true;}

this.panel.onmouseout =function(){calendar.isFocus = false;}

this.dateControl.onblur = function(){

if(!calendar.isFocus){

calendar.hide();

}

this.getElementById("selectCurrent").onclick = function(){

calendar.date = newDate();

calendar.valueSelected(calendar.date);

calendar.hide();

}

this.getElementById("emptyCalendar").onclick =function(){calendar.dateControl.value = "";calendar.hide();}

this.getElementById("closeCalendar").onclick =function(){calendar.hide();}

this.getElementById("PrevYear").onclick = function(){

calendar.date =calendar.date.dateAdd("y",-1);

calendar.draw();

}

if(this.getElementById("PrevMonth")){

this.getElementById("PrevMonth").onclick = function(){

calendar.date =calendar.date.dateAdd("m",-1);

calendar.draw();

}

this.getElementById("NextMonth").onclick = function(){

calendar.date =calendar.date.dateAdd("m",1);

calendar.draw();

}

this.getElementById("NextYear").onclick = function(){

calendar.date =calendar.date.dateAdd("y",1);

calendar.draw();

}

this.getElementById("selectThisYear").onclick =function(){calendar.selectThisYear();}

if("d" == this.type){

this.getElementById("selectThisMonth").onclick= function(){calendar.selectThisMonth();}

}

var elements =getElementsByClassName(this.document, "li", "thisMonth");

for(var i=0; i<elements.length; i++){

elements[i].onclick = function(){

calendar.date = this.title.toDate();

calendar.valueSelected(calendar.date);

calendar.hide();

}

Calendar.prototype.selectThisYear= function(){

var calendar = this;

var curYear = this.date.getFullYear();

var beginYear = this.beginDate.getFullYear();

var endYear = this.endDate.getFullYear();

var spanObj = this.getElementById("selectThisYear");

var selectStr = "<select style='font-size:10px;'>";

for(var i = endYear; i >= beginYear; i--){

selectStr += "<option value='" + i + "'>"+ i + "</option>";

}

selectStr += "</select>";

spanObj.innerHTML = selectStr;

var selectYearObj = spanObj.childNodes(0);

selectYearObj.value = curYear;

selectYearObj.onchange = function(){

calendar.date.setFullYear(selectYearObj.value);

calendar.draw();

}

Calendar.prototype.selectThisMonth= function(){

var calendar = this;

var curMonth = this.date.getMonth() + 1;

var curYear = this.date.getFullYear();

var endYear = this.endDate.getFullYear();

var endMonth = 12;

if(curYear == endYear){

endMonth = this.endDate.getMonth + 1;

}

var spanObj = this.getElementById("selectThisMonth");

var selectStr = "<select style='font-size:10px;'>";

for(var i = 1; i <= endMonth; i++){

selectStr += "<option value='" + i + "'>"+ Calendar.language["months"][this.lang][i-1] +"</option>";

}

selectStr += "</select>";

spanObj.innerHTML = selectStr;

var selectMonthObj = spanObj.childNodes(0);

selectMonthObj.value = curMonth;

selectMonthObj.onchange = function(){

calendar.date.setMonth(selectMonthObj.value-1);

calendar.draw();

}

Calendar.prototype.valueSelected= function(date){

this.dateControl.value = date.format(this.dateFormatStyle);

}

/**

* SetAuto Height for Calendar Panel Div

Calendar.prototype.setAutoHeight= function(){

var height = this.document.body.scrollHeight;

var width = this.getElementById("calendar").style.width;

width = (parseInt(width.substr(0,width.length-1)) + 2) +"px";

this.iframe.style.height = height;

this.panel.style.height = height;

this.panel.style.width = width;

}

//Extenddocument.getElementById(id)

Calendar.prototype.getElementById= function(id){

if (typeof(id) != "string" || id =="") return null;

if(null == this.document) return null;

if (this.document.getElementById) returnthis.document.getElementById(id);

if (this.document.all) returnthis.document.all(id);

try {return eval(id);} catch(e){ returnnull;}

}

//Extendobject.getElementsByTagName(tagName)

Calendar.prototype.getElementsByTagName= function(tagName){

if(null == this.document) return null;

if (this.document.getElementsByTagName)return this.document.getElementsByTagName(tagName);

if (this.document.all) returnthis.document.all.tags(tagName);

}

/**

* Find aHTML Object by TagName and className

* @paramoElm parentNode Object

* @paramstrTagName tag name want to find

* @paramstrClassName class name

functiongetElementsByClassName(oElm, strTagName, strClassName){

var arrElements = (strTagName =="*" && oElm.all)?oElm.all:oElm.getElementsByTagName(strTagName);

var arrReturnElements = new Array();

strClassName = strClassName.replace(/\-/g,"\\-");

var oRegExp = newRegExp("(^|\\s)" + strClassName + "(\\s|$)");

var oElement;

for(var i=0; i < arrElements.length;i++){

oElement = arrElements[i];

if(oRegExp.test(oElement.className)){

arrReturnElements.push(oElement);

}

return (arrReturnElements)

}

//findthe absolute position

Calendar.prototype.getAbsPoint= function (e){

var x = e.offsetLeft;

var y = e.offsetTop;

while(e = e.offsetParent){

x += e.offsetLeft;

y += e.offsetTop;

}

return {"x": x, "y":y};

}

//æ˜¾ç¤ºæ—¥åŽ†

Calendar.prototype.show= function () {

var xy = this.getAbsPoint(this.dateControl);

this.panel.style.left = xy.x +"px";

this.panel.style.top = (xy.y +this.dateControl.offsetHeight) + "px";

this.setDisplayStyle("select","hidden");

this.panel.style.visibility ="visible";

}

//HideCalendar

Calendar.prototype.hide= function() {

this.setDisplayStyle("select","visible");

this.panel.style.visibility ="hidden";

this.isFocus = false;

}

//SetCalendar Picker visible or invisible

Calendar.prototype.setDisplayStyle= function(tagName, style) {

var tags =this.getElementsByTagName(tagName)

for(var i = 0; i < tags.length; i++){

if (tagName.toLowerCase() =="select" &&

(tags[i].name =="calendarYear" ||

tags[i].name =="calendarMonth")){

continue;

}

tags[i].style.visibility = style;

}

document.write('<divid="calendarPanel"style="position:absolute;visibility:hidden;z-index:9999;background-color:#FFFFFF;font-size:12px;width:20px;">');

document.write("<iframeid='calendarIframe' scrolling='no' frameborder='0' width='100%'height='100%'></iframe></div>");

</script>

</head>

<body>

<inputid="endtime" type="text" onfocus="setday(this)"readonly="readonly" />

</body>

</html>