高分求51job、智联招聘JS代码

求类似如下效果图的js代码。
功能要求：
1、点击按钮时弹出如下的框图效果
2、当用户选择之后，所选的值传递到那个按钮上以上两点就是与51job、智联招聘搜索页面的效果一样，数据等什么可以不同，关键是能实现那种效果。
如果有友友能提供智能提示代码，另外加分。如还有什么不明白的地方我会在回复当中解释的。

解决方案 »

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下载智联的网页就有JS了,似乎没有压缩,没下过具体不清楚,
51JOB里的代码是用JQ的,以前是没有压缩的,代码写得没有注释,估计要看很费神.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style>
* {margin:0;}
body {font-size:12px;}
#container div{margin-top:5px;}
#select_city h3{float:left;}
#main_city,#all_province {clear:both;}
#main_city div,#all_province div{width:600px;clear:left;}
#main_city h4,#all_province h4{float:left;display:inline;font-size:16px;}
#main_city div span,#all_province div span{margin:0 10px;cursor:pointer;font-size:12px;}
#float_lay{width:200px;height:120px;border:1px #d1d1d1 solid;position:absolute;background:#fff;z-index:999;display:none;}
</style>
</head>
<body>
<input name="Input" id="test" value="选择/修改" type="button" onclick="openLayer('popupAddr')" />
<div id="addrinfo"></div>
<div id="result">我就是结果：</div>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
<select></select>
 
 
 
<input name="Input" value="选择/修改" type="button" onclick="openLayer('popupAddr')" />
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
</body>
</html>
<script type="text/javascript">
//弹出层
function openLayer()
{
//创建一个div元素
var popupDiv = document.createElement("div");

//给这个元素设置属性与样式
popupDiv.setAttribute("id","popupAddr")
popupDiv.style.border = "1px solid #ccc";
popupDiv.style.width = "600px";
popupDiv.style.height = "400px";
popupDiv.style.background = "#fff";
popupDiv.style.zIndex = 99;
popupDiv.style.position = "absolute";

//让弹出层在页面中垂直左右居中
var arrayPageSize = getPageSize();
var arrayPageScroll = getPageScroll();
//alert(arrayPageScroll);
//alert(arrayPageSize);

popupDiv.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - 400) / 2) + 'px') ;
popupDiv.style.left = (((arrayPageSize[0] - 20 - 600) / 2) + 'px');

//创建背景层
var bodyBack = document.createElement("div");
bodyBack.setAttribute("id","bodybg")
bodyBack.style.width = "100%";
bodyBack.style.height = (arrayPageSize[1] + 35 + 'px');
bodyBack.style.zIndex = 98;
bodyBack.style.position = "absolute";
bodyBack.style.top = 0;
bodyBack.style.left = 0;

bodyBack.style.filter = "alpha(opacity=20)";
bodyBack.style.opacity = 0.2;
bodyBack.style.background = "#000";

//收工插入到目标元素之后
var mybody = document.getElementById("test");
insertAfter(popupDiv,mybody);
insertAfter(bodyBack,mybody);

//弹出层内容
popupDiv.innerHTML = addrHTML();
init_check();
init_check_event();
}
//元素插入另一个元素之后
function insertAfter(newElement, targetElement)
{
 var parent = targetElement.parentNode;
 if(parent.lastChild == targetElement)
 {
 parent.appendChild(newElement);
 }
 else
 {
 parent.insertBefore(newElement, targetElement.nextSibling);
 }
}
//获取滚动条的高度
function getPageScroll(){
var yScroll;
if (self.pageYOffset) {
 yScroll = self.pageYOffset;
} else if (document.documentElement && document.documentElement.scrollTop){ // Explorer 6 Strict
 yScroll = document.documentElement.scrollTop;
} else if (document.body) {// all other Explorers
 yScroll = document.body.scrollTop;
}
arrayPageScroll = new Array('',yScroll)
return arrayPageScroll;
}
//获取页面实际大小
function getPageSize(){

 var xScroll, yScroll;

 if (window.innerHeight && window.scrollMaxY) {
 xScroll = document.body.scrollWidth;
 yScroll = window.innerHeight + window.scrollMaxY;
 } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
 xScroll = document.body.scrollWidth;
 yScroll = document.body.scrollHeight;
 } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
 xScroll = document.body.offsetWidth;
 yScroll = document.body.offsetHeight;
 }

 var windowWidth, windowHeight;
 if (self.innerHeight) { // all except Explorer
 windowWidth = self.innerWidth;
 windowHeight = self.innerHeight;
 } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
 windowWidth = document.documentElement.clientWidth;
 windowHeight = document.documentElement.clientHeight;
 } else if (document.body) { // other Explorers
 windowWidth = document.body.clientWidth;
 windowHeight = document.body.clientHeight;
 }

 // for small pages with total height less then height of the viewport
 if(yScroll < windowHeight){
 pageHeight = windowHeight;
 } else {
 pageHeight = yScroll;
 }

 // for small pages with total width less then width of the viewport
 if(xScroll < windowWidth){
 pageWidth = windowWidth;
 } else {
 pageWidth = xScroll;
 }

 arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
 return arrayPageSize;
}
//关闭弹出层
function closeLayer(obj)
{
obj.style.display = "none";
document.getElementById("bodybg").style.display = "none";
return false;
}
//拖动函数
function mousedown(e)
{
var obj = document.getElementById("popupAddr");
var e = window.event ? window.event : e;
obj.startX = e.clientX - obj.offsetLeft;
obj.startY = e.clientY - obj.offsetTop;

document.onmousemove = mousemove;
var temp = document.attachEvent ? document.attachEvent("onmouseup",mouseup) : document.addEventListener("mouseup",mouseup,"");
}
function mousemove(e)
{
var obj = document.getElementById("popupAddr");
var e = window.event ? window.event : e;
with(obj.style)
{
 left = e.clientX - obj.startX + "px";
 top = e.clientY - obj.startY + "px";
}
}
function mouseup(e)
{
document.onmousemove = "";
var temp = document.detachEvent ? document.detachEvent("onmouseup",mouseup) : document.addEventListener("mouseup",mouseup,"");
}
//END拖动函数
//弹出层内容
function addrHTML() {
//文字
var TITLE = "请选择工作地点你最多能选择 5 项";
var CLOSE = '[确定]';

//图片地址
var TITLEBG = "http://www.qqdang.net/code/title_bg.gif";
var ICN = "http://www.qqdang.net/code/icn.gif";
var htmlDiv = '';
htmlDiv += '<div style="width:100%;font-size:12px;">';

//头部
htmlDiv += '<div style="background:url('+TITLEBG+') repeat-x;height:40px;color:#fff;cursor:move;" onmousedown="mousedown(arguments[0])">';
htmlDiv += '';
htmlDiv += TITLE;
htmlDiv += '';
htmlDiv += '';
htmlDiv += CLOSE;
htmlDiv += '';
htmlDiv += '</div>';
//END头部

//内容部分
htmlDiv += '<div id="container" style="width:600px;height:400px;"></div>';
htmlDiv += '<div id="float_lay"></div>';
//END内容部分
htmlDiv += '</div>';
return htmlDiv;
}
//工作地点键值匹配数组
var ja=[];
ja['0100']='北京市';
ja['0200']='上海市';
ja['0300']='广东省';ja['0302']='广州市';ja['0303']='惠州市';ja['0304']='汕头市';ja['0305']='珠海市';ja['0306']='佛山市';ja['0307']='中山市';ja['0308']='东莞市';ja['0310']='从化市';ja['0314']='韶关市';ja['0315']='江门市';ja['0316']='增城市';ja['0317']='湛江市';ja['0318']='肇庆市';ja['0319']='清远市';ja['0320']='潮州市';ja['0321']='河源市';ja['0322']='揭阳市';ja['0323']='茂名市';ja['0324']='汕尾市';ja['0325']='顺德市';
ja['0400']='深圳市';
ja['0500']='天津市';
ja['0600']='重庆市';
ja['0700']='江苏省';ja['0702']='南京市';ja['0703']='苏州市';ja['0704']='无锡市';ja['0705']='常州市';ja['0706']='昆山市';ja['0707']='常熟市';ja['0708']='扬州市';ja['0709']='南通市';ja['0710']='镇江市';ja['0711']='徐州市';ja['0712']='连云港市';ja['0713']='盐城市';ja['0714']='张家港市';
ja['0800']='浙江省';ja['0802']='杭州市';ja['0803']='宁波市';ja['0804']='温州市';ja['0805']='绍兴市';ja['0806']='金华市';ja['0807']='嘉兴市';ja['0808']='台州市';ja['0809']='湖州市';ja['0810']='丽水市';ja['0811']='舟山市';ja['0812']='衢州市';
ja['0900']='四川省';ja['0902']='成都市';ja['0903']='绵阳市';ja['0904']='乐山市';ja['0905']='泸州市';ja['0906']='德阳市';ja['0907']='宜宾市';ja['0908']='自贡市';ja['0909']='内江市';ja['0910']='攀枝花市';
ja['1000']='海南省';ja['1002']='海口市';ja['1003']='三亚市';
ja['1100']='福建省';ja['1102']='福州市';ja['1103']='厦门市';ja['1104']='泉州市';ja['1105']='漳州市';ja['1106']='莆田市';ja['1107']='三明市';ja['1108']='南平市';ja['1109']='宁德市';ja['1110']='龙岩市';
ja['1200']='山东省';ja['1202']='济南市';ja['1203']='青岛市';ja['1204']='烟台市';ja['1205']='潍坊市';ja['1206']='威海市';ja['1207']='淄博市';ja['1208']='临沂市';ja['1209']='济宁市';ja['1210']='东营市';ja['1211']='泰安市';ja['1212']='日照市';ja['1213']='德州市';
ja['1300']='江西省';ja['1302']='南昌市';ja['1303']='九江市';
ja['1400']='广西';ja['1402']='南宁市';ja['1403']='桂林市';ja['1404']='柳州市';ja['1405']='北海市';
ja['1500']='安徽省';ja['1502']='合肥市';ja['1503']='芜湖市';ja['1504']='安庆市';ja['1505']='马鞍山市';ja['1506']='蚌埠市';ja['1507']='阜阳市';ja['1508']='铜陵市';ja['1509']='滁州市';ja['1510']='黄山市';ja['1511']='淮南市';ja['1512']='六安市';ja['1513']='巢湖市';ja['1514']='宣城市';ja['1515']='池州市';
ja['1600']='河北省';ja['1602']='石家庄市';ja['1603']='廊坊市';ja['1604']='保定市';ja['1605']='唐山市';ja['1606']='秦皇岛市';
ja['1700']='河南省';ja['1702']='郑州市';ja['1703']='洛阳市';ja['1704']='开封市';
ja['1800']='湖北省';ja['1802']='武汉市';ja['1803']='宜昌市';ja['1804']='黄石市';ja['1805']='襄樊市';ja['1806']='十堰市';ja['1807']='荆州市';ja['1808']='荆门市';ja['1809']='孝感市';ja['1810']='鄂州市';
ja['1900']='湖南省';ja['1902']='长沙市';ja['1903']='株洲市';ja['1904']='湘潭市';ja['1905']='衡阳市';ja['1906']='岳阳市';ja['1907']='常德市';ja['1908']='益阳市';ja['1909']='郴州市';ja['1910']='邵阳市';ja['1911']='怀化市';ja['1912']='娄底市';ja['1913']='永州市';ja['1914']='张家界市';
ja['2000']='陕西省';ja['2002']='西安市';ja['2003']='咸阳市';ja['2004']='宝鸡市';ja['2005']='铜川市';ja['2006']='延安市';
ja['2100']='山西省';ja['2102']='太原市';ja['2103']='运城市';ja['2104']='大同市';ja['2105']='临汾市';
ja['2200']='黑龙江省';ja['2202']='哈尔滨市';ja['2203']='伊春市';ja['2204']='绥化市';ja['2205']='大庆市';ja['2206']='齐齐哈尔市';ja['2207']='牡丹江市';ja['2208']='佳木斯市';
ja['2300']='辽宁省';ja['2302']='沈阳市';ja['2303']='大连市';ja['2304']='鞍山市';ja['2305']='营口市';ja['2306']='抚顺市';ja['2307']='锦州市';ja['2308']='丹东市';ja['2309']='葫芦岛市';ja['2310']='本溪市';ja['2311']='辽阳市';ja['2312']='铁岭市';
ja['2400']='吉林省';ja['2402']='长春市';ja['2403']='吉林市';ja['2404']='辽源市';ja['2405']='通化市';
ja['2500']='云南省';ja['2502']='昆明市';ja['2503']='曲靖市';ja['2504']='玉溪市';ja['2505']='大理市';ja['2506']='丽江市';ja['2507']='蒙自市';ja['2508']='开远市';ja['2509']='个旧市';ja['2510']='红河州';
ja['2600']='贵州省';ja['2602']='贵阳市';ja['2603']='遵义市';
ja['2700']='甘肃省';ja['2702']='兰州市';ja['2703']='金昌市';
ja['2800']='内蒙古';ja['2802']='呼和浩特市';ja['2803']='赤峰市';ja['2804']='包头市';
ja['2900']='宁夏';ja['2902']='银川市';
ja['3000']='西藏';ja['3002']='拉萨市';ja['3003']='日喀则市';
ja['3100']='新疆';ja['3102']='乌鲁木齐市';ja['3103']='克拉玛依市';ja['3104']='喀什地区市';
ja['3200']='青海省';ja['3202']='西宁市';
ja['3300']='香港';
ja['3400']='澳门';
ja['3500']='台湾';
ja['3600']='国外';
接上：//主要城市数据字典
var maincity=[['华北-东北',['0100','0500','2303','2302','2402','2202']],['华东地区',['0200','0702','0703','0802','0803','1502','1102','1202','1203']],['华南-华中',['0302','0400','0308','1802','1902','1702']],['西北-西南',['2002','0902','0600','2502']]];
//所有省份数据字典
var allprov=[['华北-东北',['1600','2100','2800','2300','2400','2200']],['华东地区',['0700','0800','1500','1100','1300','1200']],['华南-华中',['0300','1400','1000','1700','1800','1900']],['西北-西南',['2000','2700','3200','2900','3100','0900','2600','2500','3000']],['其它',['3300','3400','3500','3600']]];
var isIE = /msie/.test(navigator.userAgent.toLowerCase());
var containerID = "container";
var floatID = "float_lay";
function init_check(){
_container = document.getElementById(containerID);
_float = document.getElementById(floatID);
_float.onmouseover = function(){this.style.display = 'block';}
_float.onmouseout = function(){this.style.display = 'none';}
//三个区域的创建
_selectCity = document.createElement("div");
if(document.getElementById("result").getElementsByTagName("input").length == 0){
 var s_h3 = document.createElement("h3"); s_h3.innerHTML = "选中城市：";
 _selectCity.appendChild(s_h3);
}else{
 _selectCity.innerHTML = document.getElementById("result").innerHTML;
 var _input_s = _selectCity.getElementsByTagName("input");
 for (var i = 0 ; i < _input_s.length; i++){
 _input_s[i].checked = true;
 _input_s[i].onclick = function(){
 var _input_m = _mainCity.getElementsByTagName("input");
 var _input_a = _allProvince.getElementsByTagName("input");
 for (var i=0; i<_input_a.length; i++)
 _input_m[_input_m.length+i] = _input_a[i];
 for(var j=0; j<_input_m.length+_input_a.length; j++)
 if(_input_m[j].value == this.value)
 _input_m[j].checked = false;
 _selectCity.removeChild(this.parentNode);
 }
 }
}

_mainCity = document.createElement("div");
var m_h3 = document.createElement("h3"); m_h3.innerHTML = "主要城市：";
_mainCity.appendChild(m_h3);
_allProvince = document.createElement("div");
var a_h3 = document.createElement("h3"); a_h3.innerHTML = "所有省份：";
_allProvince.appendChild(a_h3);
var div = [],h = [],input = [],span = [];
_selectCity.id = "select_city"; _mainCity.id = "main_city"; _allProvince.id = "all_province";
_container.appendChild(_selectCity); _container.appendChild(_mainCity); _container.appendChild(_allProvince);
//主要城市部分check的创建
for (var i = 0 ; i < maincity.length ;i++){
 div[i] = document.createElement("div");
 _mainCity.appendChild(div[i]);
 h[i] = document.createElement("h4");
 div[i].appendChild(h[i]);
 h[i].innerHTML = maincity[i][0];
 for (var j=0 ; j < maincity[i][1].length ; j++){
 input[j] = document.createElement("input");
 input[j].type = "checkbox";
 input[j].value = maincity[i][1][j];
 span[j] = document.createElement("span");
 div[i].appendChild(span[j]);
 span[j].appendChild(input[j]);
 span[j].appendChild(document.createTextNode(ja[maincity[i][1][j]]));
 }
}
//所有省份check的创建(不包括其他)
for (var i=0 ; i < allprov.length - 1; i++){
 div[i] = document.createElement("div");
 _allProvince.appendChild(div[i]);
 h[i] = document.createElement("h4");
 div[i].appendChild(h[i]);
 h[i].innerHTML = allprov[i][0];
 for (var j=0 ; j < allprov[i][1].length ; j++){
 span[j] = document.createElement("span");
 span[j].id = allprov[i][1][j];
 span[j].innerHTML = ja[allprov[i][1][j]];
 div[i].appendChild(span[j]);
 span[j].onclick = function(evt){
 if(_float.style.display == 'none'){
 var e = evt || window.event;
 _float.style.left = e.clientX-document.getElementById("popupAddr").offsetLeft + "px";
 _float.style.top = e.clientY-document.getElementById("popupAddr").offsetTop + "px";
 _float.style.display = 'block';
 _float.className = this.id;
 createLay(this.id);
 }
 }
 span[j].onmouseover = function(){
 if(_float.className == this.id)
 _float.style.display = 'block';
 }
 span[j].onmouseout = function(){
 _float.style.display = 'none';
 }
 }
}
//所有省份check中其他的创建
div[0] = document.createElement("div");
_allProvince.appendChild(div[0]);
h[0] = document.createElement("h4");
div[0].appendChild(h[0]);
h[0].innerHTML = allprov[4][0];
for (var j=0 ; j < allprov[4][1].length ; j++){
 input[j] = document.createElement("input");
 input[j].type = "checkbox";
 input[j].value = allprov[4][1][j];
 span[j] = document.createElement("span");
 div[0].appendChild(span[j]);
 span[j].appendChild(input[j]);
 span[j].appendChild(document.createTextNode(ja[allprov[4][1][j]]));
}
check_in_select();
}
//maincity中的checkbox的事件相应
function init_check_event(){
var _input_m = _mainCity.getElementsByTagName("input");
var _input_a = _allProvince.getElementsByTagName("input");
for (var j=0; j<_input_a.length; j++)
 _input_m[_input_m.length+j] = _input_a[j];
for(var i=0 ; i < _input_m.length+_input_a.length ; i++)
 _input_m[i].onclick = function(){
 if(this.checked && check_num(this)){
 var span = this.parentNode.cloneNode(true);
 _selectCity.appendChild(span);
 change_float_check(this.value);
 if(isIE) select_true();
 //已选中的checkbox的事件相应
 span.getElementsByTagName("input")[0].onclick = function(){
 for(var j=0; j<_input_m.length+_input_a.length; j++)
 if(_input_m[j].value == this.value)
 _input_m[j].checked = false;
 change_float_check(this.value);
 _selectCity.removeChild(this.parentNode);
 }
 } else {
 var _input_s = _selectCity.getElementsByTagName("input");
 for (var j=0; j < _input_s.length; j++){
 if(_input_s[j].value == this.value)
 _selectCity.removeChild(_input_s[j].parentNode);
 }
 change_float_check(this.value);
 }
 }
}
接上：//为浮动层创建数据
function createLay(id){
if(id.substr(0,1) != '0')
 var num = parseInt(id);
else
 var num = parseInt(id.substr(1,4));
var n;
var span = [],input = [];
_float.innerHTML = "";
input[num] = document.createElement("input");
input[num].type = "checkbox";
input[num].value = id;
span[num] = document.createElement("span");
span[num].appendChild(input[num]);
span[num].appendChild(document.createTextNode(ja[id]));
_float.appendChild(span[num]);
_float.appendChild(document.createElement("br"));
for (var i = num+2; true; i++){
 if(num > 950)
 n = i.toString();
 else
 n = '0' + i.toString();
 if(ja[n] == null) break;
 else{
 input[n] = document.createElement("input");
 input[n].type = "checkbox";
 input[n].value = n;
 span[n] = document.createElement("span");
 span[n].appendChild(input[n]);
 span[n].appendChild(document.createTextNode(ja[n]));
 _float.appendChild(span[n]);
 }
}
check_in_select();
init_lay_event();
}
function init_lay_event(){
var _input_l = _float.getElementsByTagName("input");
for (var i = 0 ; i < _input_l.length ; i++){
 _input_l[i].id = i;
 _input_l[i].onclick = function(){
 if(this.checked && check_num(this)){
 if(this.id == 0){
 var _input_s = _selectCity.getElementsByTagName("input");
 for (var j = 0 ; j < _input_s.length; j++){
 if(_input_s[j].value.indexOf(this.value.substr(0,2)) != -1){
 change_maincity_check(_input_s[j].value);
 change_float_check(_input_s[j].value);
 _selectCity.removeChild(_input_s[j].parentNode);
 j--;
 }
 }
 }
 else{
 if(_input_l[0].checked){
 var _input_t = _selectCity.getElementsByTagName("input");
 //alert(_input_t.length);
 for (var k = 0 ; k < _input_t.length; k++){
 if(_input_t[k].value == _input_l[0].value)
 _selectCity.removeChild(_input_t[k].parentNode);
 //alert(_input_t[k].value);
 }
 _input_l[0].checked = false;
 }
 }
 var span = this.parentNode.cloneNode(true);
 _selectCity.appendChild(span);
 if(isIE) select_true();
 change_maincity_check(this.value);
 //float层中已选中的checkbox的事件相应
 span.getElementsByTagName("input")[0].onclick = function(){
 for(var j=0; j<_input_l.length; j++)
 if(_input_l[j].value == this.value)
 _input_l[j].checked = false;
 change_maincity_check(this.value);
 _selectCity.removeChild(this.parentNode);
 }
 } else {
 var _input_s = _selectCity.getElementsByTagName("input");
 for (var j=0; j < _input_s.length; j++){
 if(_input_s[j].value == this.value)
 _selectCity.removeChild(_input_s[j].parentNode);
 }
 change_maincity_check(this.value);
 }
 }
}
}
function check_num(obj){
var _input_s = _selectCity.getElementsByTagName("input");
if(_input_s.length < 5) return true;
else{
 obj.checked = false;
 alert("最多只能选择5个选项");
 return false;
}
}
function change_maincity_check(value){
var _input_m = _mainCity.getElementsByTagName("input");
for (var i = 0 ; i < _input_m.length; i++){
 if(_input_m[i].value == value)
 if(!_input_m[i].checked)
 _input_m[i].checked = true;
 else
 _input_m[i].checked = false;
}
}
function change_float_check(value){
var _input_f = _float.getElementsByTagName("input");
for (var i = 0 ; i < _input_f.length; i++){
 if(_input_f[i].value == value)
 if(!_input_f[i].checked)
 _input_f[i].checked = true;
 else
 _input_f[i].checked = false;
}
}
function check_in_select(value){
var _input_s = _selectCity.getElementsByTagName("input");
var _input_f = _float.getElementsByTagName("input");
var _input_m = _mainCity.getElementsByTagName("input");
var _input_a = _allProvince.getElementsByTagName("input");
for (var i = 0 ; i < _input_s.length ; i++){
 for (var j=0 ; j < _input_f.length ; j++){
 if(_input_f[j].value == _input_s[i].value)
 _input_f[j].checked = true;
 }
 for (var k=0 ; k < _input_m.length ; k++){
 if(_input_m[k].value == _input_s[i].value)
 _input_m[k].checked = true;
 }
 for (var l=0 ; l < _input_a.length ; l++){
 if(_input_a[l].value == _input_s[i].value)
 _input_a[l].checked = true;
 }
}
}
function select_true(){
var _input_s = _selectCity.getElementsByTagName("input");
for (var i = 0 ; i < _input_s.length; i++)
 _input_s[i].checked = true;
}
function write_result(){
var _result = document.getElementById("result");
_result.innerHTML = _selectCity.innerHTML;
var _result_input = _result.getElementsByTagName("input");
for (var i = 0 ; i < _result_input.length; i++){
 _result_input[i].checked = true;
 _result_input[i].onclick = function(){
 _result.removeChild(this.parentNode);
 }
}
}
</script>
找个jquery插件或其它类库的UI调用