		/* *
		 * ---------------------------------------- *
		 * 城市选择组件 v1.0
		 * Author: VVG
		 * QQ: 83816819
		 * Mail: mysheller@163.com
		 * http://www.cnblogs.com/NNUF/
		 * ---------------------------------------- *
		 * Date: 2012-07-10
		 * ---------------------------------------- *
		 * */
		
		/* *
		 * 全局空间 Vcity
		 * */
		var Vcity = {};
		/* *
		 * 静态方法集
		 * @name _m
		 * */
		Vcity._m = {
			/* 选择元素 */
			$:function (arg, context) {
				var tagAll, n, eles = [], i, sub = arg.substring(1);
				context = context || document;
				if (typeof arg == 'string') {
					switch (arg.charAt(0)) {
						case '#':
							return document.getElementById(sub);
							break;
						case '.':
							if (context.getElementsByClassName) return context.getElementsByClassName(sub);
							tagAll = Vcity._m.$('*', context);
							n = tagAll.length;
							for (i = 0; i < n; i++) {
								if (tagAll[i].className.indexOf(sub) > -1) eles.push(tagAll[i]);
							}
							return eles;
							break;
						default:
							return context.getElementsByTagName(arg);
							break;
					}
				}
			},
		
			/* 绑定事件 */
			on:function (node, type, handler) {
				node.addEventListener ? node.addEventListener(type, handler, false) : node.attachEvent('on' + type, handler);
			},
		
			/* 获取事件 */
			getEvent:function(event){
				return event || window.event;
			},
		
			/* 获取事件目标 */
			getTarget:function(event){
				return event.target || event.srcElement;
			},
		
			/* 获取元素位置 */
			getPos:function (node) {
				var scrollx = document.documentElement.scrollLeft || document.body.scrollLeft,
						scrollt = document.documentElement.scrollTop || document.body.scrollTop;
				var pos = node.getBoundingClientRect();
				return {top:pos.top + scrollt, right:pos.right + scrollx, bottom:pos.bottom + scrollt, left:pos.left + scrollx }
			},
		
			/* 添加样式名 */
			addClass:function (c, node) {
				if(!node)return;
				node.className = Vcity._m.hasClass(c,node) ? node.className : node.className + ' ' + c ;
			},
		
			/* 移除样式名 */
			removeClass:function (c, node) {
				var reg = new RegExp("(^|\\s+)" + c + "(\\s+|$)", "g");
				if(!Vcity._m.hasClass(c,node))return;
				node.className = reg.test(node.className) ? node.className.replace(reg, '') : node.className;
			},
		
			/* 是否含有CLASS */
			hasClass:function (c, node) {
				if(!node || !node.className)return false;
				return node.className.indexOf(c)>-1;
			},
		
			/* 阻止冒泡 */
			stopPropagation:function (event) {
				event = event || window.event;
				event.stopPropagation ? event.stopPropagation() : event.cancelBubble = true;
			},
			/* 去除两端空格 */
			trim:function (str) {
				return str.replace(/^\s+|\s+$/g,'');
			}
		};
		
		/* 所有城市数据,可以按照格式自行添加（北京|beijing|bj），前16条为热门城市 */
		
		Vcity.allCity = ['北京|beijing|bj','上海|shanghai|sh', '重庆|chongqing|cq',  '深圳|shenzhen|sz', '广州|guangzhou|gz', '杭州|hangzhou|hz',
			'南京|nanjing|nj', '苏州|shuzhou|sz', '天津|tianjin|tj', '成都|chengdu|cd', '南昌|nanchang|nc', '三亚|sanya|sy','青岛|qingdao|qd',
			'厦门|xiamen|xm', '西安|xian|xa','长沙|changsha|cs','合肥|hefei|hf','西藏|xizang|xz', '内蒙古|neimenggu|nmg', '安庆|anqing|aq', '阿泰勒|ataile|atl', '安康|ankang|ak',
			'阿克苏|akesu|aks', '包头|baotou|bt', '北海|beihai|bh', '百色|baise|bs','保山|baoshan|bs', '长治|changzhi|cz', '长春|changchun|cc', '常州|changzhou|cz', '昌都|changdu|cd',
			'朝阳|chaoyang|cy', '常德|changde|cd', '长白山|changbaishan|cbs', '赤峰|chifeng|cf', '大同|datong|dt', '大连|dalian|dl', '达县|daxian|dx', '东营|dongying|dy', '大庆|daqing|dq', '丹东|dandong|dd',
			'大理|dali|dl', '敦煌|dunhuang|dh', '鄂尔多斯|eerduosi|eeds', '恩施|enshi|es', '福州|fuzhou|fz', '阜阳|fuyang|fy', '贵阳|guiyang|gy',
			'桂林|guilin|gl', '广元|guangyuan|gy', '格尔木|geermu|gem', '呼和浩特|huhehaote|hhht', '哈密|hami|hm',
			'黑河|heihe|hh', '海拉尔|hailaer|hle', '哈尔滨|haerbin|heb', '海口|haikou|hk', '黄山|huangshan|hs', '邯郸|handan|hd',
			'汉中|hanzhong|hz', '和田|hetian|ht', '晋江|jinjiang|jj', '锦州|jinzhou|jz', '景德镇|jingdezhen|jdz',
			'嘉峪关|jiayuguan|jyg', '井冈山|jinggangshan|jgs', '济宁|jining|jn', '九江|jiujiang|jj', '佳木斯|jiamusi|jms', '济南|jinan|jn',
			'喀什|kashi|ks', '昆明|kunming|km', '康定|kangding|kd', '克拉玛依|kelamayi|klmy', '库尔勒|kuerle|kel', '库车|kuche|kc', '兰州|lanzhou|lz',
			'洛阳|luoyang|ly', '丽江|lijiang|lj', '林芝|linzhi|lz', '柳州|liuzhou|lz', '泸州|luzhou|lz', '连云港|lianyungang|lyg', '黎平|liping|lp',
			'连成|liancheng|lc', '拉萨|lasa|ls', '临沧|lincang|lc', '临沂|linyi|ly', '芒市|mangshi|ms', '牡丹江|mudanjiang|mdj', '满洲里|manzhouli|mzl', '绵阳|mianyang|my',
			'梅县|meixian|mx', '漠河|mohe|mh', '南充|nanchong|nc', '南宁|nanning|nn', '南阳|nanyang|ny', '南通|nantong|nt', '那拉提|nalati|nlt',
			'宁波|ningbo|nb', '攀枝花|panzhihua|pzh', '衢州|quzhou|qz', '秦皇岛|qinhuangdao|qhd', '庆阳|qingyang|qy', '齐齐哈尔|qiqihaer|qqhe',
			'石家庄|shijiazhuang|sjz',  '沈阳|shenyang|sy', '思茅|simao|sm', '铜仁|tongren|tr', '塔城|tacheng|tc', '腾冲|tengchong|tc', '台州|taizhou|tz',
			'通辽|tongliao|tl', '太原|taiyuan|ty', '威海|weihai|wh', '梧州|wuzhou|wz', '文山|wenshan|ws', '无锡|wuxi|wx', '潍坊|weifang|wf', '武夷山|wuyishan|wys', '乌兰浩特|wulanhaote|wlht',
			'温州|wenzhou|wz', '乌鲁木齐|wulumuqi|wlmq', '万州|wanzhou|wz', '乌海|wuhai|wh', '兴义|xingyi|xy', '西昌|xichang|xc',  '襄樊|xiangfan|xf',
			'西宁|xining|xn', '锡林浩特|xilinhaote|xlht', '西双版纳|xishuangbanna|xsbn', '徐州|xuzhou|xz', '义乌|yiwu|yw', '永州|yongzhou|yz', '榆林|yulin|yl', '延安|yanan|ya', '运城|yuncheng|yc',
			'烟台|yantai|yt', '银川|yinchuan|yc', '宜昌|yichang|yc', '宜宾|yibin|yb', '盐城|yancheng|yc', '延吉|yanji|yj', '玉树|yushu|ys', '伊宁|yining|yn', '珠海|zhuhai|zh', '昭通|zhaotong|zt',
			'张家界|zhangjiajie|zjj', '舟山|zhoushan|zs', '郑州|zhengzhou|zz', '中卫|zhongwei|zw', '芷江|zhijiang|zj', '湛江|zhanjiang|zj'];
		
		/* 正则表达式 筛选中文城市名、拼音、首字母 */
		
		Vcity.regEx = /^([\u4E00-\u9FA5\uf900-\ufa2d]+)\|(\w+)\|(\w)\w*$/i;
		Vcity.regExChiese = /([\u4E00-\u9FA5\uf900-\ufa2d]+)/;
		
		/* *
		 * 格式化城市数组为对象oCity，按照a-h,i-p,q-z,hot热门城市分组：
		 * {HOT:{hot:[]},ABCDEFGH:{a:[1,2,3],b:[1,2,3]},IJKLMNOP:{i:[1.2.3],j:[1,2,3]},QRSTUVWXYZ:{}}
		 * */
		
		(function () {
			var citys = Vcity.allCity, match, letter,
					regEx = Vcity.regEx,
					reg2 = /^[a-h]$/i, reg3 = /^[i-p]$/i, reg4 = /^[q-z]$/i;
			if (!Vcity.oCity) {
				Vcity.oCity = {hot:{},ABCDEFGH:{}, IJKLMNOP:{}, QRSTUVWXYZ:{}};
				//console.log(citys.length);
				for (var i = 0, n = citys.length; i < n; i++) {
					match = regEx.exec(citys[i]);
					letter = match[3].toUpperCase();
					if (reg2.test(letter)) {
						if (!Vcity.oCity.ABCDEFGH[letter]) Vcity.oCity.ABCDEFGH[letter] = [];
						Vcity.oCity.ABCDEFGH[letter].push(match[1]);
					} else if (reg3.test(letter)) {
						if (!Vcity.oCity.IJKLMNOP[letter]) Vcity.oCity.IJKLMNOP[letter] = [];
						Vcity.oCity.IJKLMNOP[letter].push(match[1]);
					} else if (reg4.test(letter)) {
						if (!Vcity.oCity.QRSTUVWXYZ[letter]) Vcity.oCity.QRSTUVWXYZ[letter] = [];
						Vcity.oCity.QRSTUVWXYZ[letter].push(match[1]);
					}
					/* 热门城市 前16条 */
					if(i<16){
						if(!Vcity.oCity.hot['hot']) Vcity.oCity.hot['hot'] = [];
						Vcity.oCity.hot['hot'].push(match[1]);
					}
				}
			}
		})();
		/* 城市HTML模板 */
		Vcity._template = [
			'<p class="tip">热门城市(支持汉字/拼音)</p>',
			'<ul>',
			'<li class="on">热门城市</li>',
			'<li>ABCDEFGH</li>',
			'<li>IJKLMNOP</li>',
			'<li>QRSTUVWXYZ</li>',
			'</ul>'
		];
		
		/* *
		 * 城市控件构造函数
		 * @CitySelector
		 * */
		
		Vcity.CitySelector = function () {
			this.initialize.apply(this, arguments);
		};
		
		Vcity.CitySelector.prototype = {
		
			constructor:Vcity.CitySelector,
		
			/* 初始化 */
		
			initialize :function (options) {
				var input = options.input;
				this.input = Vcity._m.$('#'+ input);
				this.inputEvent();
			},
		
			/* *
			 * @createWarp
			 * 创建城市BOX HTML 框架
			 * */
		
			createWarp:function(){
				var inputPos = Vcity._m.getPos(this.input);
				var div = this.rootDiv = document.createElement('div');
				var that = this;
		
				// 设置DIV阻止冒泡
				Vcity._m.on(this.rootDiv,'click',function(event){
					Vcity._m.stopPropagation(event);
				});
		
				// 设置点击文档隐藏弹出的城市选择框
				Vcity._m.on(document, 'click', function (event) {
					event = Vcity._m.getEvent(event);
					var target = Vcity._m.getTarget(event);
					if(target == that.input) return false;
					//console.log(target.className);
					if (that.cityBox)Vcity._m.addClass('hide', that.cityBox);
					if (that.ul)Vcity._m.addClass('hide', that.ul);
					if(that.myIframe)Vcity._m.addClass('hide',that.myIframe);
				});
				div.className = 'citySelector';
				div.style.position = 'absolute';
				div.style.left = inputPos.left + 'px';
				div.style.top = inputPos.bottom + 'px';
				div.style.zIndex = 999999;
		
				// 判断是否IE6，如果是IE6需要添加iframe才能遮住SELECT框
				var isIe = (document.all) ? true : false;
				var isIE6 = this.isIE6 = isIe && !window.XMLHttpRequest;
				if(isIE6){
					var myIframe = this.myIframe =  document.createElement('iframe');
					myIframe.frameborder = '0';
					myIframe.src = 'about:blank';
					myIframe.style.position = 'absolute';
					myIframe.style.zIndex = '-1';
					this.rootDiv.appendChild(this.myIframe);
				}
		
				var childdiv = this.cityBox = document.createElement('div');
				childdiv.className = 'cityBox';
				childdiv.id = 'cityBox';
				childdiv.innerHTML = Vcity._template.join('');
				var hotCity = this.hotCity =  document.createElement('div');
				hotCity.className = 'hotCity';
				childdiv.appendChild(hotCity);
				div.appendChild(childdiv);
				this.createHotCity();
			},
		
			/* *
			 * @createHotCity
			 * TAB下面DIV：hot,a-h,i-p,q-z 分类HTML生成，DOM操作
			 * {HOT:{hot:[]},ABCDEFGH:{a:[1,2,3],b:[1,2,3]},IJKLMNOP:{},QRSTUVWXYZ:{}}
			 **/
		
			createHotCity:function(){
				var odiv,odl,odt,odd,odda=[],str,key,ckey,sortKey,regEx = Vcity.regEx,
						oCity = Vcity.oCity;
				for(key in oCity){
					odiv = this[key] = document.createElement('div');
					// 先设置全部隐藏hide
					odiv.className = key + ' ' + 'cityTab hide';
					sortKey=[];
					for(ckey in oCity[key]){
						sortKey.push(ckey);
						// ckey按照ABCDEDG顺序排序
						sortKey.sort();
					}
					for(var j=0,k = sortKey.length;j<k;j++){
						odl = document.createElement('dl');
						odt = document.createElement('dt');
						odd = document.createElement('dd');
						odt.innerHTML = sortKey[j] == 'hot'?'&nbsp;':sortKey[j];
						odda = [];
						for(var i=0,n=oCity[key][sortKey[j]].length;i<n;i++){
							str = '<a href="#">' + oCity[key][sortKey[j]][i] + '</a>';
							odda.push(str);
						}
						odd.innerHTML = odda.join('');
						odl.appendChild(odt);
						odl.appendChild(odd);
						odiv.appendChild(odl);
					}
		
					// 移除热门城市的隐藏CSS
					Vcity._m.removeClass('hide',this.hot);
					this.hotCity.appendChild(odiv);
				}
				document.body.appendChild(this.rootDiv);
				/* IE6 */
				this.changeIframe();
		
				this.tabChange();
				this.linkEvent();
			},
		
			/* *
			 *  tab按字母顺序切换
			 *  @ tabChange
			 * */
		
			tabChange:function(){
				var lis = Vcity._m.$('li',this.cityBox);
				var divs = Vcity._m.$('div',this.hotCity);
				var that = this;
				for(var i=0,n=lis.length;i<n;i++){
					lis[i].index = i;
					lis[i].onclick = function(){
						for(var j=0;j<n;j++){
							Vcity._m.removeClass('on',lis[j]);
							Vcity._m.addClass('hide',divs[j]);
						}
						Vcity._m.addClass('on',this);
						Vcity._m.removeClass('hide',divs[this.index]);
						/* IE6 改变TAB的时候 改变Iframe 大小*/
						that.changeIframe();
					};
				}
			},
		
			/* *
			 * 城市LINK事件
			 *  @linkEvent
			 * */
		
			linkEvent:function(){
				var links = Vcity._m.$('a',this.hotCity);
				var that = this;
				for(var i=0,n=links.length;i<n;i++){
					links[i].onclick = function(){
						that.input.value = this.innerHTML;
						Vcity._m.addClass('hide',that.cityBox);
						/* 点击城市名的时候隐藏myIframe */
						Vcity._m.addClass('hide',that.myIframe);
					}
				}
			},
		
			/* *
			 * INPUT城市输入框事件
			 * @inputEvent
			 * */
		
			inputEvent:function(){
				var that = this;
				Vcity._m.on(this.input,'click',function(event){
					event = event || window.event;
					if(!that.cityBox){
						that.createWarp();
					}else if(!!that.cityBox && Vcity._m.hasClass('hide',that.cityBox)){
						// slideul 不存在或者 slideul存在但是是隐藏的时候 两者不能共存
						if(!that.ul || (that.ul && Vcity._m.hasClass('hide',that.ul))){
							Vcity._m.removeClass('hide',that.cityBox);
		
							/* IE6 移除iframe 的hide 样式 */
							//alert('click');
							Vcity._m.removeClass('hide',that.myIframe);
							that.changeIframe();
						}
					}
				});
				Vcity._m.on(this.input,'focus',function(){
					that.input.select();
					if(that.input.value == '城市名') that.input.value = '';
				});
				Vcity._m.on(this.input,'blur',function(){
					if(that.input.value == '') that.input.value = '城市名';
				});
				Vcity._m.on(this.input,'keyup',function(event){
					event = event || window.event;
					var keycode = event.keyCode;
					Vcity._m.addClass('hide',that.cityBox);
					that.createUl();
		
					/* 移除iframe 的hide 样式 */
					Vcity._m.removeClass('hide',that.myIframe);
		
					// 下拉菜单显示的时候捕捉按键事件
					if(that.ul && !Vcity._m.hasClass('hide',that.ul) && !that.isEmpty){
						that.KeyboardEvent(event,keycode);
					}
				});
			},
		
			/* *
			 * 生成下拉选择列表
			 * @ createUl
			 * */
		
			createUl:function () {
				//console.log('createUL');
				var str;
				var value = Vcity._m.trim(this.input.value);
				// 当value不等于空的时候执行
				if (value !== '') {
					var reg = new RegExp("^" + value + "|\\|" + value, 'gi');
					// 此处需设置中文输入法也可用onpropertychange
					var searchResult = [];
					for (var i = 0, n = Vcity.allCity.length; i < n; i++) {
						if (reg.test(Vcity.allCity[i])) {
							var match = Vcity.regEx.exec(Vcity.allCity[i]);
							if (searchResult.length !== 0) {
								str = '<li><b class="cityname">' + match[1] + '</b><b class="cityspell">' + match[2] + '</b></li>';
							} else {
								str = '<li class="on"><b class="cityname">' + match[1] + '</b><b class="cityspell">' + match[2] + '</b></li>';
							}
							searchResult.push(str);
						}
					}
					this.isEmpty = false;
					// 如果搜索数据为空
					if (searchResult.length == 0) {
						this.isEmpty = true;
						str = '<li class="empty">对不起，没有找到数据 "<em>' + value + '</em>"</li>';
						searchResult.push(str);
					}
					// 如果slideul不存在则添加ul
					if (!this.ul) {
						var ul = this.ul = document.createElement('ul');
						ul.className = 'cityslide';
						this.rootDiv && this.rootDiv.appendChild(ul);
						// 记录按键次数，方向键
						this.count = 0;
					} else if (this.ul && Vcity._m.hasClass('hide', this.ul)) {
						this.count = 0;
						Vcity._m.removeClass('hide', this.ul);
					}
					this.ul.innerHTML = searchResult.join('');
		
					/* IE6 */
					this.changeIframe();
		
					// 绑定Li事件
					this.liEvent();
				}else{
					Vcity._m.addClass('hide',this.ul);
					Vcity._m.removeClass('hide',this.cityBox);
		
					Vcity._m.removeClass('hide',this.myIframe);
		
					this.changeIframe();
				}
			},
		
			/* IE6的改变遮罩SELECT 的 IFRAME尺寸大小 */
			changeIframe:function(){
				if(!this.isIE6)return;
				this.myIframe.style.width = this.rootDiv.offsetWidth + 'px';
				this.myIframe.style.height = this.rootDiv.offsetHeight + 'px';
			},
		
			/* *
			 * 特定键盘事件，上、下、Enter键
			 * @ KeyboardEvent
			 * */
		
			KeyboardEvent:function(event,keycode){
				var lis = Vcity._m.$('li',this.ul);
				var len = lis.length;
				switch(keycode){
					case 40: //向下箭头↓
						this.count++;
						if(this.count > len-1) this.count = 0;
						for(var i=0;i<len;i++){
							Vcity._m.removeClass('on',lis[i]);
						}
						Vcity._m.addClass('on',lis[this.count]);
						break;
					case 38: //向上箭头↑
						this.count--;
						if(this.count<0) this.count = len-1;
						for(i=0;i<len;i++){
							Vcity._m.removeClass('on',lis[i]);
						}
						Vcity._m.addClass('on',lis[this.count]);
						break;
					case 13: // enter键
						this.input.value = Vcity.regExChiese.exec(lis[this.count].innerHTML)[0];
						Vcity._m.addClass('hide',this.ul);
						Vcity._m.addClass('hide',this.ul);
						/* IE6 */
						Vcity._m.addClass('hide',this.myIframe);
						break;
					default:
						break;
				}
			},
		
			/* *
			 * 下拉列表的li事件
			 * @ liEvent
			 * */
		
			liEvent:function(){
				var that = this;
				var lis = Vcity._m.$('li',this.ul);
				for(var i = 0,n = lis.length;i < n;i++){
					Vcity._m.on(lis[i],'click',function(event){
						event = Vcity._m.getEvent(event);
						var target = Vcity._m.getTarget(event);
						that.input.value = Vcity.regExChiese.exec(target.innerHTML)[0];
						Vcity._m.addClass('hide',that.ul);
						/* IE6 下拉菜单点击事件 */
						Vcity._m.addClass('hide',that.myIframe);
					});
					Vcity._m.on(lis[i],'mouseover',function(event){
						event = Vcity._m.getEvent(event);
						var target = Vcity._m.getTarget(event);
						Vcity._m.addClass('on',target);
					});
					Vcity._m.on(lis[i],'mouseout',function(event){
						event = Vcity._m.getEvent(event);
						var target = Vcity._m.getTarget(event);
						Vcity._m.removeClass('on',target);
					})
				}
			}
		};
		var test=new Vcity.CitySelector({input:'citySelect'});
		var test2=new Vcity.CitySelector({input:'citySelect1'});