//初始化所有国内机场城市
var citys=[
['PEK','北京首都国际机场','BEIJING','BJ'],
['CGQ','长春龙嘉机场','CHANGCHUN','CC'],
['CSX','长沙黄花机场','CHANGSHA','CS'],
['CTU','成都双流机场','CHENGDU','CD'],
['KWE','贵阳龙洞堡机场','GUIYANG','GY'],
['CAN','广州白云机场','GUANGZHOU','GZ'],
['KWL','桂林两江机场','GUILIN','GL'],
['HRB','哈尔滨太平机场','HARBIN','HEB'],
['FOC','福州长乐机场','FUZHOU','FZ'],
['HAK','海口美兰机场','HAIKOU','HK'],
['HET','呼和浩特白塔机场','HUHEHAOTE','HHHT'],
['NKG','南京禄口机场','NANJING','NJ'],
['KMG','昆明巫家坝机场','KUNMING','KM'],
['LXA','拉萨贡嘎机场','LASA','LS'],
['LHW','兰州中川机场','LANZHOU','LZ'],
['LJG','丽江三义机场','LIJIANG','LJ'],
['TAO','青岛流亭机场','QINGDAO','QD'],
['SYX','三亚凤凰国际机场','SANYA','SY'],
['SHA','上海虹桥机场','SHANGHAI','SHHQ'],
['PVG','上海浦东机场','SHANGHAI','SHPD'],
['SZX','深圳宝安机场','SHENZHEN','SZ'],
['SHE','沈阳桃仙机场','SHENYANG','SY'],
['SJW','石家庄正定机场','SHIJIAZHUANG','SJZ'],
['TYN','太原武宿机场','TAIYUAN','TY'],
['TSN','天津滨海机场','TIANJIN','TJ'],
['WUH','武汉天河机场','WUHAN','WH'],
['XNN','西宁曹家堡机场','XINING','XN'],
['XMN','厦门高崎机场','XIAMEN','XM'],
['INC','银川河东机场','YINCHUANG','YC'],
['ZUH','珠海三灶机场','ZHUHAI','SZ'],
['URC','乌鲁木齐地窝铺机场','Wulumuqi','WLMQ'],
['XIY','西安咸阳机场','XIAN','XA'],
['TNA','济南遥墙机场','JINAN','JN'],
['AKU','阿克苏机场','AKSU','AKS'],
['AAT','阿勒泰机场','ALETAI','ALT'],
['AKA','安康机场','ANKANG','AK'],
['AQG','安庆天柱山机场','ANQING','AQ'],
['AVA','安顺黄果树机场','ANSHUN','AS'],
['AOG','鞍山机场','ANSHAN','AS'],
['BFU','蚌埠机场','BENGBU','BB'],
['BAV','包头二里半机场','BAOTOU','BT'],
['BSD','保山云瑞机场','BAOSHAN','BS'],
['BHY','北海福城机场','BEIHAI','BH'],
['NAY','北京南苑机场','BeiJing','BJ'],
['BPX','昌都邦达机场','CHANGDU','CD'],
['CIH','长治王村机场','CHANGZHI','CZ'],
['CZX','常州奔牛机场','CHANGZHOU','CZ'],
['CHG','朝阳机场','CHAOYANG','CY'],
['CIF','赤峰土城子机场','CHIFENG','CF'],
['DAX','达县机场','DAXIAN','DZ'],
['DLU','大理荒草坝机场','DALI','DL'],
['DLC','大连周水子机场','DALIAN','DL'],
['DAT','大同机场','DATONG','DT'],
['DDG','丹东浪头机场','DANDONG','DD'],
['DIG','迪庆香格里拉机场','DIQING','DQ'],
['DOY','东营永安机场','DONGYING','DY'],
['DNH','敦煌机场','DUNHUANG','DH'],
['DSN','鄂尔多斯伊金霍洛机场','eerduosi','eeds'],
['ENH','恩施机场','ENSHI','ES'],
['FUO','佛山机场','FOSHAN','FS'],
['FUG','阜阳西关机场','FUYANG','FY'],
['KOW','赣州黄金机场','GANZHOU','GZ'],
['GOQ','格尔木机场','GEERMU','GEM'],
['GHN','广汉机场','GUANGHAN','GH'],
['GYS','广元机场','GUANGYUAN','GY'],
['HMI','哈密机场','HAMI','HM'],
['HZG','汉中西关机场','HANZHONG','HZ'],
['HGH','杭州萧山机场','HANGZHOU','HZ'],
['HFE','合肥骆岗机场','HEFEI','HF'],
['HTN','和田机场','HETIAN','HT'],
['HEK','黑河机场','HEIHE','HH'],
['HNY','衡阳东江机场','HENGYANG','HY'],
['HJJ','怀化芷江机场','HUAIHUA','HH'],
['TXN','黄山屯溪机场','HUANGSHAN','HS'],
['HUZ','惠州机场','HUIZHOU','HZ'],
['KNC','吉安机场','JI AN','JA'],
['JIL','吉林二台子机场','JILIN','JL'],
['JNG','济宁机场','JINING','JN'],
['JMU','佳木斯机场','JIAMUSI','JMS'],
['JGN','嘉峪关机场','JIAYUGUAN','JYG'],
['YNZ','江苏盐城南洋机场','YANCHENG','YC'],
['JNZ','锦州小岭子机场','JINZHOU','JZ'],
['SHS','荆州沙市机场','JINGZHOU','JZ'],
['JGS','井冈山机场','JINGGANGSHAN','JGS'],
['JDZ','景德镇罗家机场','JINGDEZHEN','JDZ'],
['JHG','景洪西双版纳机场','XISHUANGBANNA','XSBN'],
['JIU','九江庐山机场','JIUJIANG','JJ'],
['JZH','九寨沟黄龙机场','JIUZHAIGOU','JZG'],
['KHG','喀什机场','KASHI','KS'],
['KRY','克拉玛依机场','KELAMAYI','KLMY'],
['KCA','库车机场','KUCHE','KC'],
['KRL','库尔勒机场','KUERLE','KEL'],
['LLB','荔波机场','LIBO','LB'],
['LYG','连云港白塔埠机场','LIANYUNGANG','LYG'],
['LNJ','临沧机场','LINCANG','LC'],
['LYI','临沂沐埠岭机场','LINYI','LY'],
['LZH','柳州白莲机场','LIUZHOU','LZ'],
['LZO','泸州机场','LUZHOU','LZ'],
['LYA','洛阳机场','LUOYANG','LY'],
['NZH','满洲里西郊机场','MANZHOULI','MZL'],
['LUM','芒市机场','MANGSHI','MS'],
['MXZ','梅县机场','MEIXIAN','MX'],
['MIG','绵阳莱坝机场','MIANYANG','MY'],
['MDG','牡丹江海浪机场','MUDANJIANG','MDJ'],
['HLD','内蒙古海拉尔东山机场','HAILAR','HLR'],
['KHN','南昌昌北机场','NANCHANG','NC'],
['NAO','南充高坪机场','NANCHONG','NC'],
['NNG','南宁吴圩机场','NANNING','NN'],
['NTG','南通兴东机场','NANTONG','NT'],
['NNY','南阳姜营机场','NANYANG','NY'],
['NNN','嫩江机场','NENJIANG','NJ'],
['NGB','宁波栎社机场','NINGBO','NB'],
['PZI','攀枝花保安营机场','PANZHIHUA','PZH'],
['NDG','齐齐哈尔三家子机场','QIQIHAR','QQHE'],
['IQM','且末机场','QIEME','QM'],
['SHP','秦皇岛机场','QINHUANGDAO','QHD'],
['IQN','庆阳机场','QINGYAN','QY'],
['JUZ','衢州机场','QUZHOU','QZ'],
['JJN','泉州晋江机场','JINJIANG','JJ'],
['SWA','汕头外砂机场','SHANTOU','ST'],
['SXJ','鄯善机场','SHANSHAN','SS'],
['SYM','思茅机场','SIMAO','SM'],
['SZV','苏州光福机场','SUZHOU','SZ'],
['TCG','塔城机场','TACHENG','TC'],
['HYN','台州黄岩路桥机场','HUANGYAN','TZ'],
['TGO','通辽机场','TONGLIAO','TL'],
['TEN','铜仁机场','TONGREN','TR'],
['WXN','万县五桥机场','WANZHOU','WX'],
['WEH','威海文登大水泊机场','WEIHAI','WH'],
['WEF','潍坊机场','WEIFANG','WF'],
['WNZ','温州永强机场','WENZHOU','WZ'],
['WNH','文山普者黑机场','WENSHAN','WS'],
['WUA','乌海机场','WUHAI','WH'],
['HLH','乌兰浩特机场','WULANHAOTE','WLHT'],
['WUX','无锡硕放机场','WUXI','WX'],
['WHU','芜湖机场','WUHU','WH'],
['WUZ','梧州长洲岛机场','WUZHOU','WZ'],
['WUS','武夷山机场','WUYISHAN','WYS'],
['XIC','西昌青山机场','XICHANG','XC'],
['XIL','锡林浩特机场','XILINHAOTE','XLHT'],
['XFN','襄樊刘集机场','XIANGFAN','XF'],
['ACX','兴义机场','XINGYI','XY'],
['XUZ','徐州观音机场','XUZHOU','XZ'],
['YNT','烟台莱山机场','YANTAI','YT'],
['ENY','延安二十里铺机场','YANAN','YA'],
['YNJ','延吉朝阳川机场','YANJI','YJ'],
['YIN','伊宁机场','YINING','YM'],
['YBP','宜宾宜宾高坪机场','YIBIN','YB'],
['YIH','宜昌三峡机场','YICHANG','YC'],
['YIW','义乌机场','YIWU','YW'],
['UYN','榆林西沙机场','YULIN','YL'],
['YCU','运城关公机场','YunCheng','YC'],
['DYG','张家界大庸荷花机场','ZHANGJIAJIE','ZJJ'],
['ZAT','昭通机场','ZHAOTONG','ZT'],
['CGO','郑州新郑机场','ZHENGZHOU','ZZ'],
['CKG','重庆江北机场','CHONGQING','CQ'],
['HSN','舟山普陀山朱家尖机场','ZHOUSHAN','ZS'],
['HKG','香港国际机场','XIANGGANG','XG'],
['MFM','澳门国际机场','AOMEN','AM'],
['KHH','高雄国际机场','GAOXIONG','GX'],
['TSA','台北松山机场','TAIBEI','TB'],
['TPE','台北桃园机场','TAOYUAN','TY'],
['AEB','百色机场','BAISE','BS'],
['CGD','常德桃花源机场','CHANGDE','CD'],
['DQA','大庆萨尔图机场','DAQING','DQ'],
['HDG','邯郸机场','HANDAN','HD'],
['HZH','黎平机场','LIPING','LP'],
['LLF','永州零陵机场','YONGZHOU','YZ'],
['TCZ','腾冲机场','TENGCHONG','TC'],
['ZHA','湛江机场','ZHANJIANG','ZJ'],
['NBS','长白山机场','CHANGBAISHAN','CBS'],
['LZY','林芝机场','LINZHI','LZ'],
['JXA','鸡西兴凯湖机场','JIXI','JX'],
['LDS','伊春林都机场','YICHUN','YC'],
['OHE','漠河机场','MOHE','MH'],
['LCX','龙岩冠豸山机场','LONGYAN','LY'],
['ZHY','中卫机场','ZHONGWEI','ZW'],
['THQ','天水机场','TIANSHUI','TS'],
['YUS','玉树三江源机场','YUSHUSHAN','YSS']
];

var commoncitys=[];