天涯社区用到的日历函数-网站制作技术 - 常州市武进区嘉泽中心小学

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天涯社区用到的日历函数

发布时间：2008-11-20 点击：来源：本站原创录入者：佚名

代码如下：
<Script language="javascript" src="http://{域名已经过期}/includes/date.js"></Script> <form method="post" id=form1 name=form1> <input type="text" name="NextArticle" size=10 onmouseup=toggleDatePicker('daysOfMonth','form1.NextArticle') ID="NextArticle" style="cursor:pointer" readonly="true" title="单击选择日期"><IMG align=absMiddle alt='单击选择日期' style="cursor:pointer" border=0 height=19 id=daysOfMonthPos name=daysOfMonthPos onmouseup=toggleDatePicker('daysOfMonth','form1.NextArticle') src='http://{域名已经过期}/images/calendar.gif' width=19><DIV id=daysOfMonth style='POSITION: absolute'></DIV> </form>
[Ctrl+A 全选提示:你可先修改部分代码,再点运行代码]

其中用到一个Date.js文件代码如下：

<!-- Hide
2

isIE = (document.all ? true : false);
3

function getIEPosX(elt) { return getIEPos(elt,"Left"); }
5

function getIEPosY(elt) { return getIEPos(elt,"Top"); }
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function getIEPos(elt,which) {
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iPos = 0
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while (elt!=null) {
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iPos += elt["offset" + which]
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elt = elt.offsetParent
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}
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return iPos
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}
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function getXBrowserRef(eltname) {
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return (isIE ? document.all[eltname].style : document.layers[eltname]);
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}
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function hideElement(eltname) { getXBrowserRef(eltname).visibility = 'hidden'; }
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// 按不同的浏览器进行处理元件的位置
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function moveBy(elt,deltaX,deltaY) {
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if (isIE) {
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elt.left = elt.pixelLeft + deltaX;
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elt.top = elt.pixelTop + deltaY;
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} else {
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elt.left += deltaX;
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elt.top += deltaY;
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}
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}
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function toggleVisible(eltname) {
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elt = getXBrowserRef(eltname);
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if (elt.visibility == 'visible' || elt.visibility == 'show') {
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elt.visibility = 'hidden';
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} else {
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fixPosition(eltname);
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elt.visibility = 'visible';
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}
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}
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function setPosition(elt,positionername,isPlacedUnder) {
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positioner = null;
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if (isIE) {
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positioner = document.all[positionername];
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elt.left = getIEPosX(positioner);
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elt.top = getIEPosY(positioner);
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} else {
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positioner = document.images[positionername];
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elt.left = positioner.x;
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elt.top = positioner.y;
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}
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if (isPlacedUnder) { moveBy(elt,0,positioner.height); }
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}
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//——————————————————————————————————————
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// 判断浏览器
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isIE = (document.all ? true : false);
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// 初始月份及各月份天数数组
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var months = new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月",
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"八月", "九月", "十月", "十一月", "十二月");
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var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31,
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30, 31, 30, 31);
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var displayMonth = new Date().getMonth();
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var displayYear = new Date().getFullYear();
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var displayDay = 0;
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var displayDivName;
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var displayElement;
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function getDays(month, year) {
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//测试选择的年份是否是润年？
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if (1 == month)
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return ((0 == year % 4) && (0 != (year % 100))) ||
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(0 == year % 400) ? 29 : 28;
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else
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return daysInMonth[month];
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}
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function getToday() {
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// 得到今天的日期
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this.now = new Date();
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this.year = this.now.getFullYear();
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this.month = this.now.getMonth();
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this.day = this.now.getDate();
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}
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// 并显示今天这个月份的日历
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today = new getToday();
94

function newCalendar(eltName,attachedElement) {
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if (attachedElement) {
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if (displayDivName && displayDivName != eltName) hideElement(displayDivName);
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displayElement = attachedElement;
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}
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displayDivName = eltName;
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today = new getToday();
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var parseYear = parseInt(displayYear + '');
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var newCal = new Date(parseYear,displayMonth,1);
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var day = -1;
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var startDayOfWeek = newCal.getDay();
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if ((today.year == newCal.getFullYear()) &&
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(today.month == newCal.getMonth()))
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{
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day = today.day;
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}
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var intDaysInMonth =
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getDays(newCal.getMonth(), newCal.getFullYear());
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var daysGrid = makeDaysGrid(startDayOfWeek,day,intDaysInMonth,newCal,eltName)
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if (isIE) {
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var elt = document.all[eltName];
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elt.innerHTML = daysGrid;
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} else {
119

var elt = document.layers[eltName].document;
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elt.open();
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elt.write(daysGrid);
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elt.close();
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}
124

}
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126

function incMonth(delta,eltName) {
127

displayMonth += delta;
128

if (displayMonth >= 12) {
129

displayMonth = 0;
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incYear(1,eltName);
131

} else if (displayMonth <= -1) {
132

displayMonth = 11;
133

incYear(-1,eltName);
134

} else {
135

newCalendar(eltName);
136

}
137

}
138

139

function incYear(delta,eltName) {
140

displayYear = parseInt(displayYear + '') + delta;
141

newCalendar(eltName);
142

}
143

144

function makeDaysGrid(startDay,day,intDaysInMonth,newCal,eltName) {
145

var daysGrid;
146

var month = newCal.getMonth();
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var year = newCal.getFullYear();
148

var isThisYear = (year == new Date().getFullYear());
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var isThisMonth = (day > -1)
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daysGrid = '<table border=1 cellspacing=0 cellpadding=0><tr><td><table border=0 cellspacing=0 cellpadding=2 bgcolor=#ffffff><tr><td colspan=7 bgcolor=#ffffff nowrap>';
151

daysGrid += '<a title="关闭日历" href="javascript:hideElement(\'' + eltName + '\')"><B style="color:black;background-color:blue"><font color=white>╳</font></B></a>';
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daysGrid += '  ';
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daysGrid += '<a href="javascript:incMonth(-1,\'' + eltName + '\')">《</a>';
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155

daysGrid += '<b>';
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if (isThisMonth) { daysGrid += '<font color=red>' + months[month] + '</font>'; }
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else { daysGrid += months[month]; }
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daysGrid += '</b>';
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160

daysGrid += '<a href="javascript:incMonth(1,\'' + eltName + '\')">》</a>';
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if (month < 10) { daysGrid += '    '; }
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daysGrid += '  ';
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daysGrid += '<a href="javascript:incYear(-1,\'' + eltName + '\')">《</a>';
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daysGrid += '<b>';
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if (isThisYear) { daysGrid += '<font color=red>' + year + '</font>'; }
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else { daysGrid += ''+year; }
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daysGrid += '</b>';
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170

daysGrid += '<a href="javascript:incYear(1,\'' + eltName + '\')">》</a></td></tr>';
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daysGrid += '<tr><td bgcolor=gray colspan=7 ></td></tr>';
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daysGrid += '<tr><td align=right><font color=red>日</font></td><td align=right>一</td><td align=right>二</td><td align=right>三</td><td align=right>四</td><td align=right>五</td><td align=right><font color=red>六</font></td></tr>';
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daysGrid += '<tr><td bgcolor=gray colspan=7 ></td></tr>';
174

175

var dayOfMonthOfFirstSunday = (7 - startDay + 1);
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for (var intWeek = 0; intWeek < 6; intWeek++) {
177

var dayOfMonth;
178

for (var intDay = 0; intDay < 7; intDay++) {
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dayOfMonth = (intWeek * 7) + intDay + dayOfMonthOfFirstSunday - 7;
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if (dayOfMonth <= 0) {
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daysGrid += "</td><td>";
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} else if (dayOfMonth <= intDaysInMonth) {
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var color = "blue";
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if (day > 0 && day == dayOfMonth) color="red";
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if (dayOfMonth == displayDay) color="green";
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daysGrid += '<td align=right><a href="javascript:setDay(';
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daysGrid += dayOfMonth + ',\'' + eltName + '\')" ';
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daysGrid += 'style="color:' + color + '">';
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var dayString = dayOfMonth + "</a></td>";
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if (dayString.length == 6) dayString = '0' + dayString;
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daysGrid += dayString;
192

}
193

}
194

if (dayOfMonth < intDaysInMonth) daysGrid += "</tr>";
195

}
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return daysGrid + "</table></td></tr></table>";
197

}
198

199

//月份从0开始记数
200

function setDay(day,eltName) {
201

if (displayMonth < 9)
202

{
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strDisplayMonth = "0" + (displayMonth+1);
204

}
205

else
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{
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strDisplayMonth = (displayMonth+1);
208

}
209

if (day < 10)
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{
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day = "0" + day;
212

}
213

displayElement.value = displayYear + "-" + strDisplayMonth + "-" + day;
214

hideElement(eltName);
215

}
216

217

218

//——————————————————————————————————————
219

220

// fixPosition() 这个函数和前面所讲的那个函数一样
221

//
222

function fixPosition(eltname) {
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elt = getXBrowserRef(eltname);
224

positionerImgName = eltname + 'Pos';
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// hint: try setting isPlacedUnder to false
226

isPlacedUnder = false;
227

if (isPlacedUnder) {
228

setPosition(elt,positionerImgName,true);
229

} else {
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setPosition(elt,positionerImgName)
231

}
232

}
233

234

235

236

function toggleDatePicker(eltName,formElt) {
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var x = formElt.indexOf('.');
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var formName = formElt.substring(0,x);
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var formEltName = formElt.substring(x+1);
240

241

//Added by Wangjianke(jianke@{域名已经过期})
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var attachedElement = document.forms[formName].elements[formEltName]
243

244

if (attachedElement) {
245

if (displayDivName && displayDivName != eltName) hideElement(displayDivName);
246

displayElement = attachedElement;
247

}
248

displayDivName = eltName;
249

250

var defaultDate = displayElement.value;
251

if ((defaultDate != "") && (defaultDate != "0000-00-00"))
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{
253

x = defaultDate.indexOf('-');
254

var defaultYear = defaultDate.substring(0,x);
255

var y = defaultDate.indexOf('-',x+1);
256

var defaultMonth = defaultDate.substring(x+1,y)-1;
257

var defaultDay = defaultDate.substring(y+1);
258

259

displayYear = defaultYear;
260

displayMonth = defaultMonth;
261

displayDay = defaultDay;
262

}
263

//End Added
264

265

newCalendar(eltName,document.forms[formName].elements[formEltName]);
266

toggleVisible(eltName);
267

}
268

269

// -->

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