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HomeWeb Front-endJS TutorialdhDataGrid Ver2.0.0 code of javascript_form effects

Updated for the previous version of dhDataGrid Ver1.0.0!

1. The fixed mode of the title bar and left sidebar is updated, and the expression mode is cancelled;

2. The sorting mode is updated, and it also supports the sorting of numbers, characters, dates, mixed numbers and characters, and Chinese characters;

3. Support skin change, you can customize the control style yourself;

4. Reserve [double-click], [right-click] functions;

5. Support IE, FF;

CSS:


/*dhdatagrid block style*/
#dhdatagrid {position:relative;width:500px;height:200px;background:white;margin :0px;padding:0px;overflow:hidden;border:1px inset;-moz-user-select:none;}
/*dhdatagrid table global style*/
#dhdatagrid table {table-layout:fixed; margin:0px;}
#dhdatagrid table td {height:18px;cursor:default;font-size:12px;font-family:verdana;overflow:hidden;white-space:nowrap;text-indent:2px;border -right:1px solid buttonface;border-bottom:1px solid buttonface;}
#dhdatagrid table td .arrow {font-size:8px;color:#808080;}
#dhdatagrid table .lastdata {border-right :none;}
#dhdatagrid table .column {width:120px;cursor:default;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border-bottom:1px solid # 404040;border-left:1px solid #fff;}
#dhdatagrid table .over {width:120px;cursor:default;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040 ;border-bottom:1px solid #404040;border-left:1px solid #fff;}
#dhdatagrid table .sortdown {width:120px;cursor:default;background:buttonface;border-right:1px solid #ffffff; border-bottom:1px solid #ffffff;border-left:1px solid #404040;border-top:1px solid #404040;position:relative;left:1px;}
#dhdatagrid table .dataover {background:#FAFAFA; }
#dhdatagrid table .firstcolumn {width:30px;text-indent:0px;text-align:center;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border- bottom:1px solid #404040;border-left:1px solid #fff;}
#dhdatagrid table .lastcolumn {background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border- bottom:1px solid #404040;border-left:1px solid #fff;}
/*dhdatagrid selected row style*/
#dhdatagrid table .selectedrow {background:highlight;color:white;}
/*dhdatagrid header style*/
#dhdatagrid #titlecolumn {width:100%;position:absolute;top:0px;left:0px;z-index:3;}
/*dhdatagrid left column style* /
#dhdatagrid #slidecolumn {width:30px;position:absolute;top:0px;left:0px;z-index:2;}
#dhdatagrid #slidecolumn td {width:30px;text-indent:0px ;text-align:center;background:buttonface;border-top:1px solid #fff;border-right:1px solid #404040;border-bottom:1px solid #404040;border-left:1px solid #fff;}
/*dhdatagrid content table body style*/
#dhdatagrid #datacolumn {width:100%;position:absolute;top:0px;left:0px;}
/*dhdatagrid origin style*/
# dhdatagrid #zero {width:30px;height:18px;margin:0px;padding:0px;position:absolute;top:0px;left:0px;z-index:10;background:buttonface;border-top:1px solid #fff ;border-right:1px solid #404040;border-bottom:1px solid #404040;border-left:1px solid #fff;text-align:center;font-size:10px;color:#A19F92;}


JS:



function dhdatagrid(){
//author:dh20156;
this.callname = "dhdg";
this.width = 500;
this.height = 200;
this.rid = "dhdatagrid";
this.columns = [];
this.data = [];
this.dblclick_fun = function(){}
this.contextmenu_fun = function(){}
this.parentNode = document.body;

var dh = this;
var framediv = null;
var zerobj = null;
var leftobj = null;
var titleobj = null;
var dataobj = null;
var hbar = null;
var vbar = null;
var bgbar = null;

//Change the initial position of the column width
var ml = 0;
//Change the initial width of the column width object
var ow = 0;
//Change the column width object
var tdobj = null;
//Current selection Fixed row index
var nowrow = null;
//Whether to change the vertical scroll bar position
var changeposv = true;

this.init = function(){
//init the data initial data
var dgc = "";
if(this.columns.length>0){
dgc = "

";
for(var cc=0;cc dgc = "" this.columns[cc] " ";
}
dgc = "
";
}

var dgs = "";
var dgd = "";
if(this.data.length> 0){
//First column
dgs = " ";
for(var r=0;r dgs = "" (r 1) "";
dgd = " ";
for( var c=0;c dgd = "" this.data[r][c] "";
}
dgd = "
";
}
if(dgc==""){
dgc = " ";
for(var dc=0;dc dgc = "Expr" (dc 1) " ";
}
dgc = "
";
}
}

//dhdatagrid frame frame
var dgframe = document.createElement(" DIV");
dgframe.id = this.rid;
dgframe.onmousedown = function(e){e=e||window.event;getrow(e);}
dgframe.onmousemove = function (e){e=e||window.event;rsc_m(e);}
if(document.attachEvent){
document.attachEvent("onmouseup",rsc_u);
}else{
document.addEventListener("mouseup",rsc_u,false);
}
dgframe.oncontextmenu = function(){return false}
dgframe.onselectstart = function(){return false}
ae(dgframe);

//dhdatagrid zero point zero point
var dgzero = "
"

//dhdatagrid slidecolumn first column
var dgslide = "" dgs "
";

//dhdatagrid column title bar
var dgcolumn = "" dgc "
";

//dhdatagrid data data
var dgdata = "" dgc dgd "
";

 //dhdatagrid hbar 水平滚动条
 var dghbar = document.createElement("DIV");
 dghbar.id = "hbar";
 dghbar.style.position = "absolute";
 dghbar.style.width = "100%";
 dghbar.style.height = "17px";
 dghbar.style.top = this.height-17;
 dghbar.style.overflowX = "auto";
 dghbar.style.zIndex = "10";
 dghbar.onscroll = function(){scrh();}
 dghbar.innerHTML = "
 
";

 //dhdatagrid vbar 垂直滚动条
 var dgvbar = document.createElement("DIV");
 dgvbar.id = "vbar";
 dgvbar.style.position = "absolute";
 dgvbar.style.width = "17px";
 dgvbar.style.height = "100%";
 dgvbar.style.left = this.width-17;
 dgvbar.style.overflowY = "auto";
 dgvbar.style.zIndex = "10";
 dgvbar.onscroll = function(){scrv();}
 dgvbar.innerHTML = "
 
";

 //dhdatagrid bgbar 滚动条背景
 var dgbgbar = document.createElement("DIV");
 dgbgbar.id = "bgbar";
 dgbgbar.style.background = "buttonface";
 dgbgbar.style.position = "absolute";
 dgbgbar.style.width = "100%";
 dgbgbar.style.height = "17px";
 dgbgbar.style.top = this.height-17;
 dgbgbar.style.overflowX = "auto";
 dgbgbar.style.zIndex = "9";
 dgbgbar.style.display = "none";
 dgbgbar.innerHTML = " ";

 //appendChild
 dgframe.innerHTML = dgzero dgslide dgcolumn dgdata;
 dgframe.appendChild(dghbar);
 dgframe.appendChild(dgvbar);
 dgframe.appendChild(dgbgbar);

 this.parentNode.appendChild(dgframe);

 if(document.attachEvent){
  document.attachEvent("onkeydown",updown);
 }else{
  document.addEventListener("keydown",updown,false);
 }

 framediv = dgframe;
 zerobj = document.getElementById("zero");
 leftobj = document.getElementById("slidecolumn");
 titleobj = document.getElementById("titlecolumn");
 dataobj = document.getElementById("datacolumn");
 hbar = dghbar;
 vbar = dgvbar;
 bgbar = dgbgbar;

 var btt = getCurrentStyle(framediv,"borderTopWidth");
 var btr = getCurrentStyle(framediv,"borderRightWidth");
 var btb = getCurrentStyle(framediv,"borderBottomWidth");
 var btl = getCurrentStyle(framediv,"borderLeftWidth");
 var fh = getCurrentStyle(framediv,"height");
 var zh = getCurrentStyle(zerobj,"height");
 var zbt = getCurrentStyle(zerobj,"borderTopWidth");
 var zbb = getCurrentStyle(zerobj,"borderBottomWidth");

 if(document.all){
  vbar.style.left = parseInt(vbar.style.left)-parseInt(btr)-parseInt(btl);
 }else{
  framediv.style.height = parseInt(fh)-parseInt(btb)-parseInt(btt);
  zerobj.style.height = parseInt(zh)-parseInt(zbb)-parseInt(zbt);
 }

 hbar.style.top = parseInt(hbar.style.top)-parseInt(btb)-parseInt(btt);
 bgbar.style.top = parseInt(bgbar.style.top)-parseInt(btb)-parseInt(btt);
}
function getCurrentStyle(oElement, sProperty) {   
 if(oElement.currentStyle){   
  return oElement.currentStyle[sProperty];   
 }else if(window.getComputedStyle){   
  sProperty = sProperty.replace(/([A-Z])/g, "-$1").toLowerCase();   
  return window.getComputedStyle(oElement, null).getPropertyValue(sProperty);   
 }else{   
  return null;   
 }   
}
//设置块滚动条
this.setwh = function(){
 hbar.style.display = "block";
 vbar.style.display = "block";
 hbar.childNodes[0].style.width = dataobj.offsetWidth;
 vbar.childNodes[0].style.height = dataobj.offsetHeight;
 if(hbar.childNodes[0].offsetWidth  hbar.style.display = "none";
 }else{
  hbar.style.display = "block";
 }
 if(vbar.childNodes[0].offsetHeight  vbar.style.display = "none";
 }else{
  vbar.style.display = "block";
 }
 if(hbar.childNodes[0].offsetWidth>hbar.offsetWidth && vbar.childNodes[0].offsetHeight>vbar.offsetHeight && changeposv){
  bgbar.style.display = "block";
  hbar.style.width = hbar.offsetWidth-17;
  vbar.style.height = vbar.offsetHeight-17;
  vbar.childNodes[0].style.height = vbar.childNodes[0].offsetHeight 17;
  changeposv = false;
 }
 if(hbar.childNodes[0].offsetWidth  bgbar.style.display = "none";
  hbar.childNodes[0].style.width = 0;
  hbar.style.width = hbar.offsetWidth 17;
  vbar.style.height = vbar.offsetHeight 17;
  changeposv = true;
  if(vbar.offsetHeight-dataobj.offsetHeight>dataobj.offsetTop && document.all){
   leftobj.style.top = leftobj.offsetTop 17;
   dataobj.style.top = dataobj.offsetTop 17;
  }
 }
}

//鼠标滚轮,列表滚动事件
function mwEvent(e){
 e=e||window.event;
 if(e.wheelDelta0){
  vbar.scrollTop  = 18;
 }else {
  vbar.scrollTop -= 18;
 }
}
function ae(obj){
 if(document.attachEvent){
  obj.attachEvent("onmousewheel",mwEvent);
 }else{
  obj.addEventListener("DOMMouseScroll",mwEvent,false);
 }
}

//滚动条事件
function scrv(){
 leftobj.style.top = -(vbar.scrollTop);
 dataobj.style.top = -(vbar.scrollTop);
}

function scrh(){
 titleobj.style.left = -(hbar.scrollLeft);
 dataobj.style.left = -(hbar.scrollLeft);
}

//选择行
function getrow(e){
 e=e||window.event;
 var esrcobj = e.srcElement?e.srcElement:e.target;
 if(esrcobj.parentNode.tagName=="TR"){
  var epobj = esrcobj.parentNode;
  var eprowindex = epobj.rowIndex;
  if(eprowindex!=0){
   if(nowrow!=null){
    dataobj.rows[nowrow].className = "";
   }
   dataobj.rows[eprowindex].className = "selectedrow";
   nowrow = eprowindex;
  }
 }
}

//更改列宽
this.rsc_d = function(e,obj){
 var px = document.all?e.offsetX:e.layerX-obj.offsetLeft;
 if(px>obj.offsetWidth-6 && px  e=e||window.event;
  obj=obj||this;
  ml = e.clientX;
  ow = obj.offsetWidth;
  tdobj = obj;
  if(obj.setCapture){
   obj.setCapture();
  }else{
   e.preventDefault();
  }
 }else{
  if(nowrow!=null){
   dataobj.rows[nowrow].className = "";
  }
  if(obj.getAttribute("sort")==null){
   obj.setAttribute("sort",0);
  }
  var sort = obj.getAttribute("sort");
  if(sort==1){
   dgsort(obj,true);
   obj.setAttribute("sort",0);
  }else{
   dgsort(obj,false);
   obj.setAttribute("sort",1);
  }
  obj.className = "sortdown";
 }
}
this.mouseup = function(obj){
 obj.className = "over";
}
function rsc_m(e){
 if(tdobj!=null){
  e=e||window.event;
  var newwidth = ow-(ml-e.clientX);
  if(newwidth>5){
   tdobj.style.width = newwidth;
   dataobj.rows[0].cells[tdobj.cellIndex].style.width = newwidth;
  }else{
   tdobj.style.width = 5;
   dataobj.rows[0].cells[tdobj.cellIndex].style.width = 5;
  }
  dh.setwh();
  scrh();
 }
}
function rsc_u(e){
 if(tdobj!=null){
  e=e||window.event;
  var newwidth = ow-(ml-e.clientX);
  if(newwidth>5){
   tdobj.style.width = newwidth;
   dataobj.rows[0].cells[tdobj.cellIndex].style.width = newwidth;
  }else{
   tdobj.style.width = 5;
   dataobj.rows[0].cells[tdobj.cellIndex].style.width = 5;
  }
  if(tdobj.releaseCapture){
   tdobj.releaseCapture();
  }
  ml = 0;
  ow = 0;
  tdobj = null;
 }
 dh.setwh();
 scrh();
}

this.cc = function(e,obj){
 var px = document.all?e.offsetX:e.layerX-obj.offsetLeft;
 if(px>obj.offsetWidth-6 && px  obj.style.cursor = "col-resize";
 }else{
  obj.style.cursor = "default";
 }
}

this.over = function(obj){
 obj.className = "over";
}

this.out = function(obj){
 obj.className = "column";
}

this.dataover = function(obj){
 if(obj.rowIndex!=nowrow){
  obj.className = "dataover";
 }
}

this.dataout = function(obj){
 if(obj.rowIndex!=nowrow){
  obj.className = "";
 }
}

//键盘Up & Down事件
function updown(e){
 e=e || window.event; e=e.which || e.keyCode;
 var rl = dh.data.length;
 switch(e){
  case 38://Up;
   if(nowrow!=null && nowrow>1){
    vbar.scrollTop -= 18;
    dataobj.rows[nowrow].className = "";
    nowrow -= 1;
    dataobj.rows[nowrow].className = "selectedrow";
   };
   break;
  case 40://Down;
   if(nowrow!=null && nowrow    vbar.scrollTop  = 18;
    dataobj.rows[nowrow].className = "";
    nowrow  = 1;
    dataobj.rows[nowrow].className = "selectedrow";
   };
   break;
  default:break;
 }
}

function dti(s){
 var n = 0;
 var a = s.match(/d /g);
 for(var i=0;i  if(a[i].length   a[i] = "0" a[i];
  }
 }
 n = a.join("");
 return n;
}

//排序
function dgsort(obj,asc){
 var rl = dh.data.length;
 var ci = obj.cellIndex;
 var rowsobj = [];
 for(var i=1;i  rowsobj[i-1] = dataobj.childNodes[0].rows[i];
 }
 rowsobj.sort(function(trObj1,trObj2){
   if(!isNaN(trObj1.cells[ci].innerHTML.charAt(0)) && !isNaN(trObj2.cells[ci].innerHTML.charAt(0))){
    if(asc){
     return dti(trObj1.cells[ci].innerHTML)-dti(trObj2.cells[ci].innerHTML);
    }else{
     return dti(trObj2.cells[ci].innerHTML)-dti(trObj1.cells[ci].innerHTML);
    }
   }else{
    if(asc){
     return trObj1.cells[ci].innerHTML.localeCompare(trObj2.cells[ci].innerHTML);
    }else{
     return trObj2.cells[ci].innerHTML.localeCompare(trObj1.cells[ci].innerHTML);
    }
   }
  });
 for(var i=0;i  dataobj.childNodes[0].appendChild(rowsobj[i]);
 }
 for(var c=1;c  obj.parentNode.cells[c].childNodes[1].innerHTML = "";
 }
 if(asc){
  obj.childNodes[1].innerHTML = "▲";
 }else{
  obj.childNodes[1].innerHTML = "▼";
 }
}
}



















注: DEMO(演示):http://www.jxxg.com/dh20156/dhdatagrid/
原文:http://blog.csdn.net/dh20156/archive/2007/02/08/1505050.aspx

另外一个封装的很简单的grid by 秦皇也爱JS  
<script> <BR>var GridData = { <BR> title: ["姓名","性别","年龄","学历","特长"], <BR> type: [0,1,0,1,0], //编辑框类型 &#320;--textbox &#321;---select <BR> order: [-1,-1,-1,-1,-1], //排序类型 &#321;----升序 -1---降序 <BR> data: [["张三","男",27,"本科","足球"], <BR> ["YM","男",26,"本科","中锋"], <BR> ["McGrady","男",28,"博士","前锋"], <BR> ["James","男",25,"本科","小前锋"], <BR> ["Good","女",21,"高中","商品"], <BR> ["Fut","男",22,"本科","WAR3"], <BR> ["Keens","男",37,"高中","SC"], <BR> ["Gruby","女",32,"本科","SC"], <BR> ["Grrr","男",19,"硕士","SC"], <BR> ["Sky","男",22,"本科","WAR3"], <BR> ["Moon","男",25,"本科","WAR3"]] <BR>}; <br><br>var 性别 = ["男", "女"]; <BR>var 学历 = ["高中", "本科", "硕士", "博士"]; <br><br>function MyGrid(data, cnt){ <BR> MyGrid.backColor = "#fdfdfd"; <BR> MyGrid.hoverColor = "#edfae9"; <BR> MyGrid.clickColor = "#e1e6f1"; <br><br> this.datas = data; <BR> this.container = cnt; <BR> this.table; <BR> this.curRow; <BR> this.curCell; <BR> this.editTools = [document.body.appendChild(document.createElement("input")),document.body.appendChild(document.createElement("select"))]; <BR> var CurGrid = this; <BR> this.load = function(){ //grid重画模块 <BR> /** 加载table **/ <BR> var tbStr = []; <BR> tbStr.push("<table cellspacing='1'><tr height='25'>"); <BR> for(var o in this.datas.title){ <BR> tbStr.push("<th>" + this.datas.title[o] + (this.datas.order[o]==1?"↑":"↓") + ""); <BR> } <BR> tbStr.push(""); <br><br> for(var i in this.datas.data){ <BR> tbStr.push("<tr bgcolor=" + MyGrid.backColor + " height='25'>"); <BR> for(var j in this.datas.data[i]){ <BR> tbStr.push("<td>" + this.datas.data[i][j] + ""); <BR> } <BR> tbStr.push(""); <BR> } <br><br> tbStr.push(""); <BR> this.container.innerHTML = tbStr.join(""); <BR> this.table = this.container.firstChild; <br><br> /** 设置编辑工具 **/ <BR> this.editTools[0].onblur = function(){ <BR> CurGrid.curCell.removeChild(CurGrid.curCell.firstChild) <BR> CurGrid.curCell.appendChild(document.createTextNode(this.value)); <BR> if(isNaN(CurGrid.datas.data[CurGrid.curCell.parentNode.rowIndex-1][CurGrid.curCell.cellIndex])){ <BR> CurGrid.datas.data[CurGrid.curCell.parentNode.rowIndex-1][CurGrid.curCell.cellIndex] = this.value; <BR> }else{ <BR> CurGrid.datas.data[CurGrid.curCell.parentNode.rowIndex-1][CurGrid.curCell.cellIndex] = Number(this.value) <BR> } <br><br> this.value = ""; <BR> this.style.display = "none"; <BR> } <br><br> this.editTools[1].onblur = function(){ <BR> this.options.length = 0; <BR> this.style.display = "none"; <BR> } <br><br> this.editTools[1].onchange = function(){ <BR> CurGrid.curCell.removeChild(CurGrid.curCell.firstChild) <BR> CurGrid.curCell.appendChild(document.createTextNode(this.value)); <BR> CurGrid.datas.data[CurGrid.curCell.parentNode.rowIndex-1][CurGrid.curCell.cellIndex] = this.value; <br><br> this.options.length = 0; <BR> this.style.display = "none"; <BR> } <br><br> /** 设置单元格 **/ <BR> for(var r=1; r<this.table.rows.length;r++){ <BR> this.table.rows[r].onmouseover = function(){ this.style.backgroundColor = MyGrid.hoverColor; } <BR> this.table.rows[r].onmouseout = function(){ <BR> if(CurGrid.curRow!=this) this.style.backgroundColor = MyGrid.backColor; <BR> else this.style.backgroundColor = MyGrid.clickColor; <BR> } <br><br> for(var c=0;c<this.table.rows[r].cells.length;c++){ <BR> this.table.rows[r].cells[c].onclick = function(){ <BR> if(CurGrid.curRow) CurGrid.curRow.style.backgroundColor = MyGrid.backColor; <BR> CurGrid.curRow = this.parentNode; <BR> this.parentNode.style.backgroundColor = MyGrid.clickColor; <BR> } <br><br> this.table.rows[r].cells[c].ondblclick = function(){ <BR> //alert("( " + this.cellIndex + "," + this.parentNode.rowIndex + " ) " + this.firstChild.data); <BR> CurGrid.curCell = this; <br><br> CurGrid.editTools[CurGrid.datas.type[this.cellIndex]].style.display = "block"; <BR> CurGrid.editTools[CurGrid.datas.type[this.cellIndex]].style.width = this.offsetWidth; <BR> CurGrid.editTools[CurGrid.datas.type[this.cellIndex]].style.height = this.offsetHeight; <BR> CurGrid.editTools[CurGrid.datas.type[this.cellIndex]].style.left = getAbsPos(this).leftx - CurGrid.container.scrollLeft; <BR> CurGrid.editTools[CurGrid.datas.type[this.cellIndex]].style.top = getAbsPos(this).topy - CurGrid.container.scrollTop; <BR> CurGrid.editTools[CurGrid.datas.type[this.cellIndex]].focus(); <br><br> if(CurGrid.datas.type[this.cellIndex] == 0){ <BR> CurGrid.editTools[CurGrid.datas.type[this.cellIndex]].select(); <BR> }else if(CurGrid.datas.type[this.cellIndex] == 1){ <BR> CurGrid.loadSelect(CurGrid.datas.title[this.cellIndex]); <BR> } <br><br> CurGrid.editTools[CurGrid.datas.type[this.cellIndex]].value = this.firstChild.data; <BR> } <BR> } <BR> } <br><br> for(var g=0; g<this.table.rows[0].cells.length;g++){ <BR> this.table.rows[0].cells[g].onclick = function(){ <BR> CurGrid.datas.order[this.cellIndex] = -CurGrid.datas.order[this.cellIndex]; <BR> CurGrid.sort(this.cellIndex, CurGrid.datas.order[this.cellIndex]); <BR> } <BR> } <BR> } <br><br> this.sort = function(n, type){ //排序 <BR> this.datas.data = this.datas.data.sort(function(x,y){if (x[n]>y[n]){return type;}else if(x[n]<y[n]){return -type;}else{return 0;}}); <BR> this.load(); <BR> } <br><br> this.delRow = function(){ //删除行 <BR> this.datas.data.splice(this.curRow.rowIndex-1, 1); <BR> this.table.deleteRow(this.curRow.rowIndex); <BR> } <br><br> this.loadSelect = function(type){ //读取下拉框内容 <BR> var opts = this.editTools[1].options; <BR> for(var o in eval(type)){ <BR> var opt = document.createElement("option"); <BR> opt.value = opt.text = eval(type)[o]; <BR> opts.add(opt); <BR> } <BR> } <BR>} <br><br>var grid; <BR>window.onload = loadGrid; <br><br>function loadGrid(){ <BR> grid = new MyGrid(GridData, $("panel")); <BR> grid.load(); <BR>} <br><br>function $(id){ <BR> return document.getElementById?document.getElementById(id):eval(id); <BR>} <br><br>function getAbsPos(obj){ <BR> var objResult = new Object(); <BR> objResult.topy = obj.offsetTop; <BR> objResult.leftx = obj.offsetLeft; <BR> while( obj = obj.offsetParent){ <BR> objResult.topy += obj.offsetTop; <BR> objResult.leftx += obj.offsetLeft; <BR> } <BR> return objResult; <BR>} <br><br></script>








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