var citycode={
"AAT":"A 阿勒泰","AKA":"A 安康","AQG":"A 安庆","BAV":"B 包头","BHY":"B 北海","BSD":"B 宝山","BPX":"C 昌都","CAN":"G 广州","CGD":"C 常德","CGO":"Z 郑州","CGQ":"C 长春","CHG":"C 朝阳","CIF":"C 赤峰","CIH":"C 长治","CKG":"C 重庆","NKG":"N 南京","CSX":"C 长沙","CTU":"C 成都","CZX":"C 常州","DAX":"D 达州","DAT":"D 大同","DDG":"D 丹东","DLC":"D 大连","DLU":"D 大理","DNH":"D 敦煌","DYG":"Z 张家界","ENH":"E 恩施","ENY":"Y 延安","DSN":"E 鄂尔多斯","FOC":"F 福州","FUG":"F 阜阳","GYS":"G 广元","GOQ":"G 格尔木","HAK":"H 海口","HEK":"H 黑河","HET":"H 呼和浩特","HFE":"H 合肥","HGH":"H 杭州","HKG":"H 香港","HLD":"H 海拉尔","HLH":"W 乌兰浩特","HNY":"H 衡阳","HRB":"H 哈尔滨","HTN":"H 和田","HYN":"H 黄岩","HZG":"H 汉中","INC":"Y 银川","JDZ":"J 景德镇","JGN":"J 嘉峪关","JGS":"J 井冈山","JHG":"X 西双版纳","JIL":"J 吉林","JJN":"Q 泉州","JIU":"J 九江","JMU":"J 佳木斯","JNZ":"J 锦州","JUZ":"Q 衢州","JZH":"J 九寨沟","KHG":"K 喀什","KHN":"N 南昌","KMG":"K 昆明","KNC":"J 吉安","KOW":"G 赣州","KWE":"G 贵阳","KWL":"G 桂林","LHW":"L 兰州","LJG":"L 丽江","LUM":"M 芒市","LXA":"L 拉萨","LZY":"L 林芝","LYA":"L 洛阳","LYG":"L 连云港","LYI":"L 临沂","LZH":"L 柳州","LZO":"L 泸州","MIG":"M 绵阳","MDG":"M 牡丹江","MXZ":"M 梅县","NAO":"N 南茺","NDG":"Q 齐齐哈尔","NGB":"N 宁波","NNG":"N 南宁","NNY":"N 南阳","NTG":"N 南通","NZH":"M 满洲里","PEK":"B 北京","PVG":"S 上海浦东","PZI":"P 攀枝花","SHA":"S 上海虹桥","SHE":"S 沈阳","SHP":"Q 秦皇岛","SHS":"S 沙市","SIA":"X 西安","SJW":"S 石家庄","SWA":"S 汕头","SYM":"S 思茅","SYX":"S 三亚","SZX":"S 深圳","TAO":"Q 青岛","TGO":"T 通辽","TNA":"J 济南","TSN":"T 天津","TCZ":"T 腾冲","TXN":"H 黄山","TYN":"T 太原","URC":"W 乌鲁木齐","UYN":"Y 榆林","WEF":"W 潍坊","WEH":"W 威海","WNZ":"W 温州","WUH":"W 武汉","WUX":"W 无锡","WUS":"W 武夷山","WUZ":"W 梧州","WXN":"W 万县","XFN":"X 襄樊","XIC":"X 西昌","XIL":"X 锡林浩特","XIY":"X 西安","XMN":"X 厦门","XNN":"X 西宁","XUZ":"X 徐州","YBP":"Y 宜宾","YCU":"Y 运城","YIH":"Y 宜昌","YIN":"Y 伊宁","YIW":"Y 义乌","YNJ":"Y 延吉","YNT":"Y 烟台","YNZ":"Y 盐城","ZAT":"Z 昭通","ZHA":"Z 湛江","ZUH":"Z 珠海","ZYI":"Z 遵义","BKK":"B 曼谷","MAD":"M 马德里","DXB":"D 迪拜","DEL":"D 德里","FRA":"F 法兰克福","FUK":"F 福冈","FNJ":"P 平壤","HIJ":"H 广岛","SGN":"H 胡志明市","HKG":"H 香港","JKT":"J 雅加达","KHI":"K 卡拉奇","KTM":"K 加德满都","KUL":"K 吉隆坡","KWI":"K 科威特","LON":"L 伦敦","LAX":"L 洛杉矶","MEL":"M 墨尔本","MIL":"M 米兰","MOW":"M 莫斯科","MUC":"M 慕尼黑","NYC":"N 纽约","NGO":"N 名古屋","OSA":"O 大阪","PAR":"P 巴黎","PUS":"P 釜山","RGN":"R 仰光","ROM":"R 罗马","SFO":"S 旧金山","SAO":"S 圣保罗","SDJ":"S 仙台","SEL":"S 首尔","SIN":"S 新加坡","STO":"S 斯德哥尔摩","SYD":"S 悉尼","TAE":"T 大邱","TYO":"T 东京","ULN":"U 乌兰巴托","ATH":"A 雅典","YVR":"V 温哥华","SPK":"S 札幌","TPE":"T 台北","blue":"------------------------"
}

var domesticcitycode = new Array("PEK","AAT","AKA","AQG","BSD","BAV","BHY","CGD","BPX","CGQ","CSX","CZX","CIH","CHG","CTU","CIF","CKG","DLU","DLC","DAT","DDG","DAX","DNH","ENH","DSN","FUG","FOC","KOW","GOQ","GYS","CAN","KWL","KWE","HRB","HLD","HAK","HGH","HZG","HYN","TXN","HFE","HEK","HNY","HTN","HET","KNC","TNA","JMU","JGN","JIL","JDZ","JGS","JIU","JZH","JNZ","KHG","KMG",'LXA',"LHW","LJG",'LZY',"LYG","LYI","LZH","LYA","LZO","LUM","NZH","MXZ","MIG","MDG","KHN","NAO","NKG","NNG","NTG","NNY","NGB","PZI","TAO","SHP","NDG","JJN","JUZ","PVG","SHA","SYX","SHS","SWA","SHE","SZX","SJW","SYM","TYN","TCZ","TSN","TGO","WXN","WEF","WEH","WNZ","WUH","HLH","WUH","URC","WUX","WUS","WUZ","XIY","XMN","XFN","XIC","XIL","XNN","JHG","XUZ","ENY","YNZ","YNJ","YNT","YBP","YIH","INC","YIN","YIW","YCU","UYN","ZAT","ZHA","DYG","CGO","ZUH","ZYI"
);
var domesticcitycodestr = domesticcitycode.join(",");

var internationalcitycode = new Array("BKK","MAD","DXB","DEL","FRA","FUK","FNJ","HIJ","SGN","HKG","JKT","KHI",'KTM',"KUL","KWI","LON","LAX","MEL","MIL","MOW","MUC","NYC","NGO","OSA","PAR","PUS","RGN","ROM","SFO","SAO","SDJ","SEL","SIN","STO","SYD","TAE","TYO","ULN","ATH","YVR","SPK","TPE");
var internationalcitycodestr = internationalcitycode.join(",");

var alerttpestr="尊敬的旅客：\n\t您好，由于台湾航线具有一定特殊性，请您购票前确认自身条件符合《大陆居民赴台湾地区旅游管理办法》、《大陆居民赴台湾地区旅游注意事项》、《大陆居民赴台湾地区旅游领队人员管理办法》、《<大陆居民赴台湾地区旅游团名单表>管理办法》等相关规定。如因旅客违反此类规定造成的无法乘机等损失，将由旅客自行承担，国航对此不承担任何责任，谢谢您的配合。\n\t\t\t\t\t\t\t\t\t中国国际航空公司\n\t\t\t\t\t\t\t\t\t2008年7月4日";
//单程--北京--到达城市
var oneway_pek = new 
Array('BAV','BHY','CGD','CZX','CGQ','CSX','CTU','CKG','DLC','DAT','DAX','DDG','DSN','FOC','CAN','KWL','KWE','HRB','HAK','HLD','HGH','HFE','HET','TXN','JGS','JJN','JMU','JZH','KMG','LHW','LXA','MIG','KHN','NKG','NNG','NTG','NDG','NGB','SHP','TAO','SYX','SWA','SHA','PVG','SZX','SHE','TNA','TYN','WEH','WNZ','URC','WUH','WUS','WUX','XIY','XNN','XIL','XMN','XFN','XUZ','YCU','YNZ','YNT','YNJ','YIH','YIW','INC','DYG','CGO','ZUH');
//往返--北京--到达城市
var return_pek = new Array('BAV','BHY','CGD','CGQ','CZX','CSX','CTU','CKG','DLC','DDG','DAT','DAX','DSN','FOC','CAN','KWL','KWE','HRB','HAK','HLD','HGH','HFE','HET','TXN','JJN','JMU','JZH','KMG','LHW','LXA','MIG','KHN','NKG','NNG','NTG','NGB','TAO','SYX','SWA','SHA','PVG','SZX','SHE','TNA','TYN','WEH','WNZ','URC','WUH','WUX','WUS','XIY','XNN','XIL','XMN','XFN','XUZ','YCU','YNZ','YNJ','YNT','YIH','YIW','INC','DYG','CGO','ZUH');
//单程(国际)--北京--到达城市
var oneway_pek_i = new Array('ATH','BKK','DXB','DEL','FNJ','FRA','FUK','HIJ','SGN','HKG','JKT','KHI','KUL','KWI','LON','LAX','MAD','MEL','MOW','MUC','NYC','NGO','OSA','PAR','PUS','RGN','ROM','SFO','SAO','SDJ','SEL','SIN','SPK','STO','SYD','TAE','TYO','ULN','YVR');
//往返(国际)--北京--到达城市
var return_pek_i = new Array('ATH','BKK','DEL','DXB','FRA','FUK','HIJ','HKG','JKT','KUL','LAX','LON','MAD','MEL','MUC','NGO','NYC','OSA','PAR','PUS','ROM','SAO','SDJ','SEL','SGN','SFO','SPK','SYD','STO','SIN','TAE','TYO','ULN','YVR');

//单程--上海虹桥--到达城市
var oneway_sha = new Array('PEK','BAV','CAN','DSN','KWE','KWL','HLD','HET','TNA','KMG','TAO','SZX','TSN','WUH','XMN','YNT');
//往返--上海虹桥--到达城市
var return_sha = new Array('PEK','CAN','DSN','KWE','KWL','HET','TNA','KMG','TAO','SZX','TSN','WUH','XMN','YNT');
//单程(国际)--上海虹桥--到达城市
var oneway_sha_i = new Array('ATH','FUK','FRA','LAX','LON','MAD',"MEL",'MIL','MOW','MUC','NGO','OSA','PAR',"ROM",'SDJ','SAO','SFO','SYD','STO','TYO','YVR');
//往返(国际)--上海虹桥--到达城市
var return_sha_i = new Array('ATH','FRA','FUK','LAX','LON','MAD','MEL','MIL','OSA','PAR','ROM','SAO','SYD','MUC','NGO','SDJ','SFO','STO','TYO','YVR');

//单程--广州--到达城市
var oneway_can = new Array('PEK','BAV','CSX','CGQ','DLC','CTU','CKG','DAX','DSN','KWL','KWE','HRB','HGH','HET','LZO','MIG','SHA','TSN','NKG','WXN','WNZ','YBP','INC','XIC','XIY','YCU');
//往返--广州--到达城市
var return_can = new Array('PEK','CSX','CTU','CKG','DAX','DSN','KWL','KWE','HGH','HET','LZO','MIG','NKG','SHA','TSN','NKG','WXN','WNZ','YBP','YCU');

//单程--深圳--到达城市
var oneway_szx = itemcode=new Array('PEK','BAV','CGQ','CTU','CKG','DLC','CAN','KWE','HET','HLD','HRB','HGH','JHG','JZH','LJG','KMG','SHA','PVG','TSN','SHE','URC','YNJ','ZUH');
//往返--深圳--到达城市
var return_szx = itemcode=new Array('PEK','CTU','CKG','KWE','HGH','KMG','SHA','PVG','TSN');
//单程(国际)--深圳--到达城市
var oneway_szx_i = itemcode=new Array('OSA','TYO');
//往返(国际)--深圳--到大城市
var return_szx_i = itemcode=new Array('OSA','TYO');

//单程--成都--到达城市
var oneway_ctu = new Array('PEK','BAV','CSX','CIH','CKG','CGQ','DLC','DAX','FOC','CAN','KWL','KWE','HLD','HRB','HAK','HGH','HFE','HET','INC','JZH','KMG','LHW','LXA','LZY','LJG','LZO','LUM','KHN','NKG','NNG','NTG','PZI','TAO','SYX','SHA','PVG','SZX','SHE','TYN','TSN','WEH','WNZ','URC','WUH','XIY','XIC','XMN','XNN','JHG','XIL','YNJ','YNT','YBP','YCU','ZHA','CGO');
//往返--成都--到达城市
var return_ctu = new Array('PEK','CGQ','CSX','CIH','CKG','DAX','FOC','CAN','KWL','KWE','HRB','HAK','HGH','HET','INC','JZH','KMG','LHW','LJG','LXA','LZY','LZO','KHN','NKG','NNG','PZI','TAO','SYX','SHA','PVG','SZX','SHE','TSN','TYN','WNZ','URC','WUH','XIY','XIC','JHG','XMN','XNN','YBP','CGO');
//单程(国际)--成都--到达城市
var oneway_ctu_i = new Array('BKK','FUK','HKG','KTM','SEL','SIN','TYO');
//往返(国际)--成都--到达城市
var return_ctu_i = new Array('BKK','FUK','KTM','SEL','SIN','TYO');

//单程--重庆--到达城市
var oneway_ckg = new Array('PEK','BAV','CGQ','CSX','CTU','DLC','FOC','CAN','KWL','KWE','HLD','HAK','HGH','HFE','HET','HRB','TNA','JZH','KMG','LHW','LJG','LXA','KHN','NKG','NTG','TAO','SYX','SHA','PVG','SZX','SHE','TSN','WXN','WEH','WNZ','URC','XMN','XNN','XIC','XIL','YNJ','YNT','CGO');
//往返--重庆--到达城市
var return_ckg = new Array('PEK','CSX','CTU','FOC','CAN','KWL','KWE','HAK','HGH','HFE','JZH','KMG','LHW','LXA','NKG','TAO','SYX','SHA','PVG','SZX','SHE','TSN','WNZ','WXN','URC','XMN','CGO');
//单程(国际)--重庆--到达城市
var oneway_ckg_i = new Array('HKG','NGO');
//往返(国际)--重庆--到达城市
var return_ckg_i = new Array('HKG','NGO');

//单程--杭州--到达城市
var oneway_hgh = new Array('PEK','BAV','CGQ','CSX','CTU','CKG','DLC','CAN','KWE','HRB','HAK','HLD','HET','JZH','JHG','KMG','LHW','LZO','LUM','MIG','TAO','SZX','SHE','TYN','WXN','WNZ','WUH','URC','YBP','YNJ','XIY','XIC','XNN','XIL','DYG');
//往返--杭州--到达城市
var return_hgh = new Array('PEK','CSX','CTU','CKG','DLC','CAN','KWE','HRB','HAK','HET','KMG','TAO','SZX','WNZ','WUH','URC','XIY','XNN','DYG');
//单程(国际)--杭州--到达城市
var oneway_hgh_i = new Array('PUS','HKG','SEL','TAE','LON');
//往返(国际)--杭州--到达城市
var return_hgh_i = new Array('HKG','PUS','SEL','TAE','LON');

//单程--昆明--到达城市
var oneway_kmg =new Array('PEK','CTU','CKG','KWL','KWE','HGH','JHG','LUM','LJG','SHA','PVG','SZX','WNZ','XMN');
//往返--昆明--到达城市
var return_kmg = new Array('PEK','CTU','CKG','KWL','KWE','HGH','SHA','PVG','LJG','SZX','WNZ','XMN');
//单程(国际)--昆明--到达城市
var oneway_kmg_i =new Array('RGN');
//往返(国际)--昆明--到达城市
var return_kmg_i =new Array('RGN');

//单程--厦门--到达城市
var oneway_xmn = new Array('PEK','BAV','CGQ','CSX','DLC','CTU','CKG','KWL','KWE','HRB','HET','HLD','KMG','LHW','LUM','KHN','SHA','TSN','XIC','SHE','TYN','URC','XIL','YNJ','YNT');
//往返--厦门--到达城市
var return_xmn =  new Array('PEK','CSX','CTU','CKG','KWL','KWE','KMG','KHN','SHA');
//单程(国际)--厦门--到达城市
var oneway_xmn_i = new Array('JKT','SIN');
//往返(国际)--厦门--到达城市
var return_xmn_i =  new Array('JKT','SIN');

//单程--福州--到达城市
var oneway_foc = new Array('PEK','CSX','CTU','CKG','KWE','KHN');
//往返--福州--到达城市
var return_foc = new Array('PEK','CSX','CTU','CKG','KWE','KHN','JZH','LJG','BAV','CGQ','DLC','HET','HLD','HRB','LHW','NTG','SHE','WEH','XIL','XIY','YNJ','URC');

//单程--沈阳--到达城市
var oneway_she = new Array('PEK','CTU','CKG','LJG','SYX','XIC','BAV','CZX','HET','HFE','HGH','HLD','JGS','NGB','SWA','TYN','CAN','CGO','CSX','DYG','FOC','HAK','JZH','KHN','KMG','KWE','KWL','LHW','NNG','SZX','URC','WNZ','WUH','XIY','XMN');
//往返--沈阳--到达城市
var return_she = new Array('PEK','CTU','CKG');
//单程(国际)--沈阳--到达城市
var oneway_she_i = new Array('FRA','LAX','ROM','SFO','SIN');
//往返(国际)--沈阳--到达城市
var return_she_i = new Array('FRA','LAX','ROM','SFO','SIN');

//单程--西安--到达城市
var oneway_xiy = new Array('PEK','CTU','CKG','KWL','HGH','SHA','PVG','TSN','HAK','KWE','LJG','PZI','SYX','URC','WNZ','XIC','XMN','CAN','SZX','BAV','CGQ','DLC','HET','HLD','TAO','YNJ','YNT','HRB','SHE');
//往返--西安--到达城市
var return_xiy = new Array('PEK','CTU','HGH','SHA','PVG','TSN');

//单程--南京--到达城市
var oneway_nkg = new Array('PEK','CTU','CAN','CKG','KWL','TSN','LJG','JZH','KMG','CGQ','DLC','HLD','HRB','SHE','YNJ','BAV','HET','LHW','URC');
//往返--南京--到达城市
var return_nkg = new Array('PEK','CTU','CKG','CAN','KWL','TSN');

//单程--呼和浩特--到达城市
var oneway_het = new Array('PEK','CTU','CIF','CAN','HLD','HGH','NZH','TGO','XIL','SHA','HLH','WUH','CGO','WXN','YBP','CGQ','CSX','CZX','DLC','DNH','DYG','FOC','HFE','HRB','JGS','KHN','LHW','NGB','NKG','NTG','PVG','XIY','SWA','TAO','TXN','URC','WEH','XFN','XNN','YCU','YNJ','YNT','ZUH','MIG','NNG','HAK','KMG','SZX','CKG','KWE','KWL','WNZ','XMN');
//往返--呼和浩特--到达城市
var return_het = new Array('PEK','CTU','CIF','CAN','HLD','HGH','NZH','TGO','XIL','SHA','HLH','WUH','CGO');

//单程--青岛--到达城市
var oneway_tao = new Array('PEK','CSX','CTU','CKG','KWE','HRB','HGH','SHA','GOQ','PZI','JZH','BAV','CGQ','DNH','HET','HLD','LHW','TYN','XIL','XIY','YNJ','XNN','KMG','URC','KWL');
//往返--青岛--到达城市
var return_tao = new Array('PEK','CSX','CTU','CKG','KWE','HRB','HGH','SHA');
//单程(国际)--青岛--到达城市
var oneway_tao_i = new Array('PUS','SEL','TAE');
//往返(国际)--青岛--到达城市
var return_tao_i = new Array('SEL');

//单程--大连--到达城市
var oneway_dlc = new Array('PEK','CTU','HGH','KHN','KMG','KWE','LHW','KWL','MIG','NKG','NNG','NTG','SWA','SZX','TXN','TYN','URC','WNZ','WUH','XFN','XIL','XIY','XMN','YCU','YNZ');
//往返--大连--到达城市
var return_dlc = new Array('PEK','CTU','HGH');
//单程(国际)--大连--到达城市
var oneway_dlc_i = new Array('FUK','HIJ','HKG','MUC','OSA','SDJ','SEL','TYO');
//往返(国际)--大连--到达城市
var return_dlc_i = new Array('FUK','HIJ','HKG','MUC','OSA','SDJ','SEL','TYO');

//单程--哈尔滨--到达城市
var oneway_hrb = new Array('PEK','HGH','TAO','TSN','JZH','LJG','XIC','DNH','HET','NGB','NTG','XIY','SWA','ZUH','NKG','CGO','HFE','FOC','HAK','KHN','LHW','NNG','TYN','URC','WNZ','BAV','DYG','CSX','KWE','KWL','WUH','CAN','CKG','KMG','SZX','XMN','CTU');
//往返--哈尔滨--到达城市
var return_hrb = new Array('PEK','HGH','TAO','TSN');

//单程--三亚--到达城市
var oneway_syx = new Array('PEK','CTU','CKG','KWE','JZH','LHW','XNN');
//往返--三亚--到达城市
var return_syx = new Array('PEK','CTU','CKG','KWE');

//单程--海口--到达城市
var oneway_hak = itemcode=new Array('PEK','CTU','CKG','KWE','HGH','JZH','HLD','SHE','WEH');
//往返--海口--到达城市
var return_hak = itemcode=new Array('PEK','CTU','CKG','KWE','HGH');

//单程--九寨沟--到达城市
var oneway_jzh = new Array('PEK','CTU','CKG');
//往返--九寨沟--到达城市
var return_jzh = new Array('PEK','CTU','CKG');


//单程--徐州--到达城市
var oneway_xuz = new Array('PEK');
//往返--徐州--到达城市
var return_xuz = new Array('PEK');

//单程--拉萨--到达城市
var oneway_lxa = new Array('PEK','CTU','CKG','XNN');
//往返--拉萨--到达城市
var return_lxa = new Array('PEK','CTU','CKG','XNN');
var oneway_lxa_i = new Array('KTM');
//往返(国际)--拉萨--到达城市
var return_lxa_i = new Array('KTM');

//单程--林芝--到达城市
var oneway_lzy = new Array('CTU');
//往返--林芝--到达城市
var return_lzy = new Array('CTU');

//单程--天津--到达城市
var oneway_tsn = new Array('CTU','CKG','CAN','KWL','NKG','SHA','SZX','URC','XIY','XMN','DYG');
//往返--天津--到达城市
var return_tsn = new Array('CTU','CKG','CAN','KWL','NKG','SHA','SZX','URC','XIY','XMN');
//单程(国际)--天津--到达城市
var oneway_tsn_i = new Array('HKG','SEL');
//往返(国际)--天津--到达城市
var return_tsn_i = new Array('HKG','SEL');

//单程--温州--到达城市
var oneway_wnz = new Array('PEK','CSX','CTU','CKG','CAN','HGH','KMG','PVG','LZO','YBP','JZH','KWL','NNG','BAV','CGQ','DLC','HET','HLD','HRB','SHE','XIL','YNJ','LHW','URC','XIY');
//往返--温州--到达城市
var return_wnz = new Array('PEK','CSX','CTU','CKG','CAN','HGH','KMG','PVG');

//单程--乌鲁木齐--到达城市
var oneway_urc = new Array('PEK','CTU','CKG','HGH','LHW','TSN','XNN','CAN','KMG','KWL','NNG','SYX','SZX','TNA','FOC','KHN','NKG','SHA','XMN','JZH','KWE','LJG','WUH','XIC','BAV','CGQ','DLC','HET','HLD','HRB','NTG','SHE','TAO','WEH','XFN','YNJ','YNT','PVG','TYN','WNZ');
//往返--乌鲁木齐--到达城市
var return_urc = new Array('PEK','CTU','CKG','HGH','LHW','TSN','XNN');

//单程--桂林--到达城市
var oneway_kwl = new Array('PEK','CTU','CKG','CAN','CGO','HGH','KMG','NKG','SHA','WNZ','JZH','LJG','XNN','TSN','BAV','CGQ','HLD','HRB','SHE','TNA','YNJ','URC','HET','TAO','YNT');
//往返--桂林--到达城市
var return_kwl = new Array('PEK','CTU','CKG','CAN','CGO','HGH','KMG','NKG','SHA');

//单程--长沙--到达城市
var oneway_csx = new Array('PEK','CTU','CKG','FOC','CAN','KWE','HGH','TAO','WNZ','XMN','PZI','XIY','XIC','JZH','KMG','LHW','BAV','CGO','CGQ','DAT','DDG','DLC','HET','HLD','HRB','SHE','TNA','TYN','WEH','XIL','YNJ','URC','XNN');
//往返--长沙--到达城市
var return_csx = new Array('PEK','CTU','CKG','FOC','CAN','KWE','HGH','TAO','WNZ','XMN');

//单程--武汉--到达城市
var oneway_wuh = new Array('PEK','CTU','HGH','HET','SHA','PVG','XNN','BAV','CGQ','DLC','HET','HRB','SHE','YNJ','URC');
//往返--武汉--到达城市
var return_wuh = new Array('PEK','CTU','HGH','HET','SHA','PVG');
//单程(国际)--武汉--到达城市
var oneway_wuh_i = new Array('HKG');
//往返(国际)--武汉--到达城市
var return_wuh_i = new Array('HKG');

//单程--贵阳--到达城市
var oneway_kwe = new Array('PEK','CSX','CTU','CKG','FOC','CAN','HAK','HGH','KMG','TAO','SYX','SHA','PVG','SZX','XMN','ZHA','KWL','CGO','DAX','JZH','XIY','URC','XIC','XNN','NKG','WNZ','TSN','BAV','DLC','HLD','TXN','WEH','XIL','YNJ','YCU','CGQ','HRB','LHW','SHE','TYN','HET','YNT');
//往返--贵阳--到达城市
var return_kwe = new Array('PEK','CSX','CTU','CKG','FOC','HAK','HGH','TAO','SYX','SHA','PVG','SZX','XMN');
//单程(国际)--贵阳--到达城市
var oneway_kwe_i = new Array('HKG');
//往返(国际)--贵阳--到达城市
var return_kwe_i = new Array('HKG');

//单程--汕头--到达城市
var oneway_swa = new Array('PEK','BAV','DLC','HET','HLD','HRB','SHE','TNA','WEH','XIL','YNJ','YNT');
//往返--汕头--到达城市
var return_swa = new Array('PEK');

//单程--银川--到达城市
var oneway_inc = new Array('PEK','CAN','HAK','KMG','KWE','LJG','SYX','SZX','CGQ','DLC','HFE','HRB','SHE','TAO','WEH','WNZ','YNJ','YNT','FOC','HGH','NKG','SHA','XMN');
//往返--银川--到达城市
var return_inc = new Array('PEK');

//单程--长春--到达城市
var oneway_cgq = new Array('PEK','CTU','BAV','CAN','CKG','CSX','DAT','DYG','FOC','HAK','HET','HFE','HGH','INC','KHN','KMG','KWE','KWL','LHW','NGB','NKG','NNG','NTG','SHA','SZX','SWA','TYN','URC','WNZ','WUH','XIY','XMN','XNN');
//往返--长春--到达城市
var return_cgq = new Array('PEK','CTU','BAV','CAN','CKG','CSX','DAT','DYG','FOC','HAK','HET','HFE','HGH','INC','KHN','KMG','KWE','KWL','LHW','NGB','NKG','NNG','NTG','SHA','SZX','SWA','TYN','URC','WNZ','WUH','XIY','XMN','XNN');

//单程--郑州--到达城市
var oneway_cgo = new Array('PEK','CTU','CKG','HET','WUH','BAV','CGQ','CSX','DDG','DLC','DYG','HFE','HLD','HRB','JGS','KHN','KMG','KWL','LHW','NKG','NTG','SHE','XIY','TAO','URC','WEH','XIL','YNJ','YNT');
//往返--郑州--到达城市
var return_cgo = new Array('PEK','CTU','CKG','HET','WUH');

//单程--南宁--到达城市
var oneway_nng = new Array('PEK','CTU');
//往返--南宁--到达城市
var return_nng = new Array('PEK','CTU');
//单程(国际)--南宁--到达城市
var oneway_nng_i = new Array('SGN');
//往返(国际)--南宁--到达城市
var return_nng_i = new Array('SGN');

//单程--兰州--到达城市
var oneway_lhw = new Array('PEK','CTU','CKG','URC','CAN','HAK','KWE','LJG','NNG','PVG','SYX','SZX','BAV','CGQ','DLC','FOC','HET','HRB','SHA','SHE','TAO','WNZ','YNT','HGH','NKG','XMN');
//往返--兰州--到达城市
var return_lhw = new Array('PEK','CTU','CKG','URC');

//单程--南昌--到达城市
var oneway_khn = new Array('PEK','CKG','CTU','FOC','XMN','PZI','BAV','DLC','HLD','NTG','NGB','WEH','XFN','XIL','YCU','YNJ','YNT','CGO','CGQ','HET','HRB','SHE','URC','WUH');
//往返--南昌--到达城市
var return_khn = new Array('PEK','CKG','CTU','FOC','NGB','XMN');

//单程--西宁--到达城市
var oneway_xnn = new Array('PEK','URC','GOQ','CAN','CKG','CSX','CTU','HAK','KMG','KWE','KWL','LJG','NNG','PVG','SYX','SZX','WUH','XIC','CGQ','DLC','TYN','FOC','HFE','HGH','HRB','KHN','NKG','SHE','WNZ','TAO','XMN');
//往返--西宁--到达城市
var return_xnn = new Array('PEK','URC','GOQ','CTU');

//单程--烟台--到达城市
var oneway_ynt = new Array('BAV','PEK','CGQ','LHW','SHA','PVG','SHE','CSX','HAK','HET','HGH','HLD','HRB','KHN','KMG','NKG','NNG','SWA','TYN','URC','WUH','XIY','YNJ','CAN','CKG','CTU','KWE','KWL','SZX','XMN');
//往返--烟台--到达城市
var return_ynt = new Array('PEK','SHA','PVG');
//单程(国际)--烟台--到达城市
var oneway_ynt_i = new Array('SEL');
//往返(国际)--烟台--到达城市
var return_ynt_i = new Array('SEL');

//单程--丽江--到达城市
var oneway_ljg = new Array('CKG','CTU','KMG');
//往返--丽江--到达城市
var return_ljg = new Array('CKG','CTU','KMG');

//单程--威海--到达城市
var oneway_weh = new Array('PEK','BAV','CAN','CGQ','CKG','CSX','CTU','FOC','HAK','HET','HGH','HLD','HRB','INC','KHN','KMG','KWE','LHW','MIG','NKG','NNG','SHE','SWA','SZX','TYN','URC','WUH','XIY','XMN','YNJ');
//往返--威海--到达城市
var return_weh = new Array('PEK');
//单程(国际)--威海--到达城市
var oneway_weh_i = new Array('SEL');
//往返(国际)--威海--到达城市
var return_weh_i = new Array('SEL');

//单程--武夷山--到达城市
var oneway_wus = new Array('PEK','CGQ','HRB','HET','SHE','YNJ');
//往返--武夷山--到达城市
var return_wus = new Array('PEK');

//单程--屯溪--到达城市
var oneway_txn = new Array('PEK','CGQ','INC','URC','XNN','YNJ');
//往返--屯溪--到达城市
var return_txn = new Array('PEK');

//单程--张家界--到达城市
var oneway_dyg = new Array('BAV','PEK','CGQ','HGH','HET','HLD','TAO','TSN','WEH','XIL','YNJ','CGO');
//往返--张家界--到达城市
var return_dyg = new Array('PEK','HGH','TSN');

//单程--西双版纳--到达城市
var oneway_jhg = new Array('KMG','LJG');
//往返--西双版纳--到达城市
var return_jhg = new Array('KMG','LJG');

//单程--太原--到达城市
var oneway_tyn = new Array('PEK','CTU');
//往返--太原--到达城市
var return_tyn = new Array('PEK','CTU');

//单程--襄樊--到达城市
var oneway_xfn = new Array('PEK');
//往返--襄樊--到达城市
var return_xfn = new Array('PEK');

//单程--盐城--到达城市
var oneway_ynz = new Array('BAV','PEK','CGQ','LHW','SHA','PVG','SHE');
//往返--盐城--到达城市
var return_ynz = new Array('PEK');

//单程--宁波--到达城市
var oneway_ngb = new Array('PEK','BAV','CTU','HLD','HRB','LHW','KHN','SHE','URC','XIL','YNJ');
//往返--宁波--到达城市
var return_ngb = new Array('CTU','KHN','PEK');

//单程--南通--到达城市
var oneway_ntg = new Array('PEK','DLC','HET','HLD','HRB','INC','LHW','SHE','TYN','URC','XNN','YNJ');
//往返--南通--到达城市
var return_ntg = new Array('PEK');

//单程--格尔木--到达城市
var oneway_goq = new Array('XNN');
//往返--格尔木--到达城市
var return_goq = new Array('XNN');

//单程--海拉尔--到达城市
var oneway_hld = new Array('PEK','CTU','HRB','HGH','HET');
//往返--海拉尔--到达城市
var return_hld = new Array('PEK','CTU','HRB','HGH','HET');

//单程--包头--到达城市
var oneway_bav = itemcode=new Array('PEK','CAN','CGO','CGQ','CKG','CSX','CTU','CZX','DDG','DLC','FOC','HAK','HFE','HGH','HRB','INC','JGS','KHN','KMG','KWE','KWL','LHW','MIG','NGB','NKG','NNG','NTG','PVG','SHA','SHE','XIY','SWA','SYX','SZX','TAO','TXN','URC','WEH','WNZ','WUH','WUS','XFN','XMN','XNN','YCU','YIW','YNJ','YNT','ZUH');
//往返--包头--到达城市
var return_bav = itemcode=new Array('CAN','PEK','SHA');

//单程--锡林浩特--到达城市
var oneway_xil = new Array('PEK','CTU','HET');
//往返--锡林浩特--到达城市
var return_xil = new Array('PEK','HET');

//单程--攀枝花--到达城市
var oneway_pzi = new Array('PEK','CTU','CAN','CGO','CKG','CSX','FOC','HFE','HGH','JZH','KHN','KMG','LHW','LJG','SHA','PVG','SZX','TAO','TSN','WNZ','URC','XIC','XIY');
//往返--攀枝花--到达城市
var return_pzi = new Array('CTU');

//单程--西昌--到达城市
var oneway_xic = new Array('PEK','CTU','CAN','CGO','CKG','CSX','HAK','HFE','HGH','HRB','JZH','KHN','KMG','KWE','KWL','LHW','LJG','NKG','NNG','SHA','PVG','SZX','SHE','TAO','SYX','TNA','TSN','WNZ','URC','WUH','XIY','XMN');
//往返--西昌--到达城市
var return_xic = new Array('CTU');

//单程--运城--到达城市
var oneway_ycu = new Array('PEK','BAV','CGQ','DLC','CTU','CAN','HET','HRB','SHE','YNT','YNJ');
//往返--运城--到达城市
var return_ycu = new Array('CAN');


//单程--上海浦东--到达城市
var oneway_pvg = new Array('PEK','BAV','CTU','CKG','KWE','KMG','SZX','WNZ','WUH','XIY','YNT','YIH','HET','HLD');
//往返--上海浦东--到达城市
var return_pvg = new Array('PEK','CTU','CKG','KWE','KMG','SZX','WNZ','WUH','XIY','YNT','YIH');

//单程--大同--到达城市
var oneway_dat = new Array('PEK');
//往返--大同--到达城市
var return_dat = new Array('PEK');

//单程--达县--到达城市
var oneway_dax = new Array('CTU','CAN','PEK','DLC','FOC','HAK','HET','HRB','LJG','NNG','SHA','PVG','SHE','SZX','WEH');
//往返--达县--到达城市
var return_dax = new Array('CTU','CAN','PEK');

//单程--万县--到达城市
var oneway_wxn = new Array('CKG','CAN');
//往返--万县--到达城市
var return_wxn = new Array('CKG','CAN');

//单程--宜宾--到达城市
var oneway_ybp = new Array('CTU','CAN');
//往返--宜宾--到达城市
var return_ybp = new Array('CTU','CAN');

//单程--绵阳--到达城市
var oneway_mig = new Array('PEK','CAN');
//往返--绵阳--到达城市
var return_mig = new Array('PEK','CAN');

//单程--合肥--到达城市
var oneway_hfe = new Array('PEK','BAV','CGQ','CKG','CTU','DLC','HET','HRB','JZH','KMG','KWE','LHW','SHE','XIY','TYN','URC','XNN','YNJ');
//往返--合肥--到达城市
var return_hfe = new Array('PEK','CKG');

//单程--泸州--到达城市
var oneway_lzo = new Array('CTU','CAN');
//往返--泸州--到达城市
var return_lzo = new Array('CTU','CAN');

//单程--赤峰--到达城市
var oneway_cif = new Array('HET','CTU','SHA');
//往返--赤峰--到达城市
var return_cif = new Array('HET');

//单程--满洲里--到达城市
var oneway_nzh = new Array('HET');
//往返--满洲里--到达城市
var return_nzh = new Array('HET');

//单程--通辽--到达城市
var oneway_tgo = new Array('HET');
//往返--通辽--到达城市
var return_tgo = new Array('HET');

//单程--乌兰浩特--到达城市
var oneway_hlh = new Array('HET');
//往返--乌兰浩特--到达城市
var return_hlh = new Array('HET');

//单程--济南--到达城市
var oneway_tna = new Array('PEK','SHA');
//往返--济南--到达城市
var return_tna = new Array('PEK','SHA');
//单程(国际)--济南--到达城市
var oneway_tna_i = new Array('SEL');
//往返(国际)--济南--到达城市
var return_tna_i = new Array('SEL');

//单程--宜昌--到达城市
var oneway_yih = new Array('PEK','DLC','HRB','PVG','SHE','URC','YNJ','YNT');
//往返--宜昌--到达城市
var return_yih = new Array('PEK','PVG');

//单程--丹东--到达城市
var oneway_ddg = new Array('PEK');
//往返--丹东--到达城市
var return_ddg = new Array('PEK');

//单程--珠海--到达城市
var oneway_zuh = new Array('PEK','BAV','HET','HRB','SHE','TAO','YNT');
//往返--珠海--到达城市
var return_zuh = new Array('PEK');

//单程(国际)--延吉--到达城市
var oneway_ynj = new Array('PEK');
var return_ynj = new Array('PEK');
var oneway_ynj_i = new Array('SEL');
//往返(国际)--延吉--到达城市
var return_ynj_i = new Array('SEL');

//单程(国际)--香港--到达城市
var oneway_hkg_i = new Array('PEK','CTU','CKG','DLC','KWE','HGH','TSN','WUH');
//往返(国际)--香港--到达城市
var return_hkg_i = new Array('PEK','CTU','CKG','DLC','KWE','HGH','TSN','WUH');

//单程--常州--到达城市
var oneway_czx = new Array('PEK','BAV','CGQ','DLC','HET','HLD','HLD','INC','LHW','SHE','TYN','XNN','YNJ');
//往返--常州--到达城市
var return_czx = new Array('PEK');

//单程--常州--到达城市
var oneway_cgd = new Array('PEK');
//往返--常州--到达城市
var return_cgd = new Array('PEK');

//单程--鄂尔多斯--到达城市
var oneway_dsn = new Array('CAN','PEK','SHA');
//往返--鄂尔多斯--到达城市
var return_dsn = new Array('CAN','PEK','SHA');

//单程--晋江--到达城市
//var oneway_jjn = new Array('PEK');
//往返--晋江--到达城市
//var return_jjn = new Array('PEK');

//单程--齐齐哈尔--到达城市
var oneway_ndg = new Array('PEK');
//往返--齐齐哈尔--到达城市
var return_ndg = new Array('PEK');

//单程--佳木斯--到达城市
var oneway_jmu = new Array('PEK');
//往返--佳木斯--到达城市
var return_jmu = new Array('PEK');

//单程--义乌--到达城市
var oneway_yiw = new Array('PEK');
//往返--义乌--到达城市
var return_yiw = new Array('PEK');

//单程--无锡--到达城市
var oneway_wux = new Array('PEK');
//往返--无锡--到达城市
var return_wux = new Array('PEK');


//单程--北海--到达城市
var oneway_bhy = new Array('PEK');
//往返--北海--到达城市
var return_bhy = new Array('PEK');

//单程--泉州--到达城市
var oneway_jjn = new Array('PEK');
//往返--泉州--到达城市
var return_jjn = new Array('PEK');

//单程--芒市--到达城市
var oneway_lum = new Array('KMG');
//往返--芒市--到达城市
var return_lum = new Array('KMG');


//单程(国际)--曼谷--到达城市
var oneway_bkk_i = new Array('PEK','CTU');
//往返(国际)--曼谷--到达城市
var return_bkk_i = new Array('PEK','CTU');

//单程(国际)--德里--到达城市
var oneway_del_i = new Array('PEK');
//往返(国际)--德里--到达城市
var return_del_i = new Array('PEK');


//单程(国际)--福冈--到达城市
var oneway_fuk_i = new Array('PEK','CTU','DLC','SHA');
//往返(国际)--福冈--到达城市
var return_fuk_i = new Array('PEK','CTU','DLC','SHA');

//单程(国际)--广岛--到达城市
var oneway_hij_i = new Array('PEK','DLC');
//往返(国际)--广岛--到达城市
var return_hij_i = new Array('PEK','DLC');

//单程(国际)--胡志明市--到达城市
var oneway_sgn_i = new Array('PEK','NNG');
//往返(国际)--胡志明市--到达城市
var return_sgn_i = new Array('PEK','NNG');

//单程(国际)--雅加达--到达城市
var oneway_jkt_i = new Array('PEK','XMN');
//往返(国际)--雅加达--到达城市
var return_jkt_i = new Array('PEK','XMN');

//单程(国际)--吉隆坡--到达城市
var oneway_kul_i = new Array('PEK');
//往返(国际)--吉隆坡--到达城市
var return_kul_i = new Array('PEK');

//单程(国际)--洛杉矶--到达城市
var oneway_lax_i = new Array('PEK','SHA','SHE');
//往返(国际)--洛杉矶--到达城市
var return_lax_i = new Array('PEK','SHA','SHE');

//单程(国际)--名古屋--到达城市
var oneway_ngo_i = new Array('PEK','CKG','SHA');
//往返(国际)--名古屋--到达城市
var return_ngo_i = new Array('PEK','CKG','SHA');

//单程(国际)--纽约--到达城市
var oneway_nyc_i = new Array('PEK','SHA');
//往返(国际)--纽约--到达城市
var return_nyc_i = new Array('PEK','SHA');

//单程(国际)--大阪--到达城市
var oneway_osa_i = new Array('PEK','DLC');
//往返(国际)--大阪--到达城市
var return_osa_i = new Array('PEK','DLC');

//单程(国际)--釜山--到达城市
var oneway_pus_i = new Array('PEK','HGH');
//往返(国际)--釜山--到达城市
var return_pus_i = new Array('PEK','HGH');

//单程(国际)--旧金山--到达城市
var oneway_sfo_i = new Array('PEK','SHA','SHE');
//往返(国际)--旧金山--到达城市
var return_sfo_i = new Array('PEK','SHA','SHE');

//单程(国际)--仙台--到达城市
var oneway_sdj_i = new Array('PEK','DLC','SHA');
//往返(国际)--仙台--到达城市
var return_sdj_i = new Array('PEK','DLC','SHA');

//单程(国际)--首尔--到达城市
var oneway_sel_i = new Array('PEK','DLC','HGH','TNA','TSN','WEH','YNJ','YNT');
//往返(国际)--首尔--到达城市
var return_sel_i = new Array('PEK','DLC','HGH','TNA','TSN','WEH','YNJ','YNT');


//单程(国际)--新加坡--到达城市
var oneway_sin_i = new Array('PEK','CTU','XMN');
//往返(国际)--新加坡--到达城市
var return_sin_i = new Array('PEK','CTU','XMN');


//单程(国际)--札幌--到达城市
var oneway_spk_i = new Array('PEK');
//往返(国际)--札幌--到达城市
var return_spk_i = new Array('PEK');

//单程(国际)--大邱--到达城市
var oneway_tae_i = new Array('PEK','HGH');
//往返(国际)--大邱--到达城市
var return_tae_i = new Array('PEK','HGH');


//单程(国际)--东京--到达城市
var oneway_tyo_i = new Array('PEK','CTU','DLC','SHA','SZX');
//往返(国际)--东京--到达城市
var return_tyo_i = new Array('PEK','CTU','DLC','SHA','SZX');


//单程(国际)--乌兰巴托--到达城市
var oneway_uln_i = new Array('PEK');
//往返(国际)--乌兰巴托--到达城市
var return_uln_i = new Array('PEK');

//单程(国际)--加德满都--到达城市
var oneway_ktm_i = new Array('CTU');
//往返(国际)--加德满都--到达城市
var return_ktm_i = new Array('CTU');

//单程(国际)--温哥华--到达城市
var oneway_yvr_i = new Array('PEK');
//往返(国际)--温哥华--到达城市
var return_yvr_i = new Array('PEK');

//单程(国际)--台北--到达城市
var oneway_tpe_i = new Array('PEK','SHA');
//往返(国际)--台北--到达城市
var return_tpe_i = new Array('PEK','SHA');

//单程(国际)--blue--到达城市
var blue = new Array();
//往返(国际)--blue--到达城市
var return_blue_i = new Array();

/**单程，往返两种情况下不同出发城市对应的到达城市*/
function kindselect(type)
{
	var kind;
	if(type!=null){
		var kind = type.toLowerCase();	
	}
	else{
		kind = getAirkind();
	}
	if(document.form1.actionkind!=null){
		document.form1.actionkind.value=kind;
	}
	if(kind=="multiseg")kind="oneway";//对于多段，城市对同单程
	if(kind=="roundtrip")kind="airreturn";//对国际票往返做出的修正
	var cfcity = document.form1.org.options[document.form1.org.selectedIndex].value;
	switch (kind.toLowerCase()) 
	{
		case "oneway":
			ddchange(cfcity,0);
			try{
				setOnewayCond();//Add by liaoxu,隐藏显示
			}catch(e){}
			break;
		case "airreturn": 
			ddchange(cfcity,1);
			try{
				setReturnCond();
			}catch(e){}
			break;
		case "roundtrip": 
			ddchange(cfcity,1);
			try{
				setReturnCond();
			}catch(e){}
			break;
		default://默认选中单程 
			if(document.getElementById("oneway_airkind")!=null){
				document.getElementById("oneway_airkind").checked = true;
			}
			break;
	}	
}
/*只改变行程种类，不重置城市*/
function kindchange()
{
	document.form1.actionkind.value=getAirkind();
	switch (getAirkind()) {
		case "oneway":setOnewayCond();kindselect();break;
		case "airreturn":setReturnCond();kindselect();break;
		case "multiseg":setOnewayCond();kindselect();break;
		/*case "oneway":setOnewayCond();break;
		case "airreturn":setReturnCond();break;
		case "multiseg":setOnewayCond();break;*/
	}
}

//公用函数
function cleardst(){
	var len = document.form1.dst.options.length;
	for(var i = (len-1); i >= 0; i--) {
		if (document.form1.dst.options[i] != null) {
			document.form1.dst.options[i] = null;
		}
	}
}

function filldst(itemno,itemcode){
	var length = itemno.length;
	var option = document.form1.dst;
	for(var i=0;i<length;i++){
		if(international&&itemcode[i]=="SHA"){
			itemno[i] == "SHANGHAI";//国际票显示上海而不是上海虹桥
		}
		option.options[i]=new Option(itemno[i],itemcode[i]); 
    }
}

Array.prototype.clone = function(){
 	var tmp=new Array();
 	for(ob in this)tmp[ob]=this[ob];
 	return tmp;
}

//显示可到达城市
function ddchange(cfcity,isreturn){
	cleardst();
	var arrayname;
	var theone= -1;
	var tmpitemno;
	var tmpitemcode;
	if(international){//国际票
		if(domesticcitycodestr.indexOf(cfcity.toUpperCase())>=0){
			arrayname = "internationalcitycode";
		}
		else if(isreturn == 1){
			arrayname = "return_"+cfcity.toLowerCase()+"_i";
		}
		else{
			arrayname = "oneway_"+cfcity.toLowerCase()+"_i";
		}
	}
	else{
		arrayname = "domesticcitycode";	
	}
	try{
		if(cfcity.toLowerCase()=="tpe"){alert(alerttpestr);}
		itemcode = eval(arrayname);
		var length = itemcode.length;
		var itemno = new Array();
		for(var i=0;i<length;i++){
			if(itemcode[i]==cfcity){
				theone = i;
			}
			itemno[i] = citycode[itemcode[i]];
		}
		if(theone!=-1){
			//alert(itemno);
			tmpitemno = itemno.clone();
			tmpitemcode = itemcode.clone();
			//alert(tmpitemno);
			tmpitemno.splice(theone,1);
			tmpitemcode.splice(theone,1);
			filldst(tmpitemno,tmpitemcode);
		}
		else{
			filldst(itemno,itemcode);
		}
	}
	catch(e){
		filldst(new Array(),null);
		return;
	}
}

//单程--北京--到达城市
function ddchange_oneway(){
	itemno=new Array(
    'Baotou','Changzhou','Changchun','Changsha','Chengdu','Chongqing','Dalian','Datong','Dazhou','Fuzhou','Guangzhou','Guilin','Guiyang','Haerbin','Haikou','Hailaer','Hangzhou','Hefei','Huhehaote','Huangshan','Jinggangshan','Kunming','Lasa','Lanzhou','Mianyang','Nanchang','Nanjing','Nanning','Nantong','Ningbo','Qinhuangdao','Qingdao','Sanya','Shantou','Shanghaihongqiao','Shanghaipudong','Shenzhen','Shenyang','Taiyuan','Weihai','Wenzhou','Wulumuqi','Wuhan','Wuyishan','Xi an','Xining','Xilinhaote','Xiamen','Xiangfan','Yancheng','Yantai','Yanji','Yinchuan','Zhangjiajie','Zhengzhou','Zhuhai');
    itemcode=new Array(
    'BAV','CZX','CGQ','CSX','CTU','CKG','DLC','DAT','DAX','FOC','CAN','KWL','KWE','HRB','HAK','HLD','HGH','HFE','HET','TXN','JGS','KMG','LHW','MIG','KHN','NKG','NNG','NTG','NGB','SHP','TAO','SYX','SWA','SHA','PVG','SZX','SHE','TYN','WEH','WNZ','URC','WUH','WUS','XIY','XNN','XIL','XMN','XFN','YNZ','YNT','YNJ','INC','DYG','CGO','ZUH');
	filldst(itemno,itemcode);
}

function getAirkind(){
	var kind = "";
	var airkind = document.getElementsByName("airkind");
	for (var i=0;i<airkind.length;i++){
		if(airkind[i].checked){
			kind = airkind[i].value;
			break;
		}	
	}
	return kind;
}

/**国际票使用：单程，往返两种情况下时间显示控件*/
function dateDisplay()
{
	switch (getAirkind()) 
	{
		case "oneway": 
			document.form1.actionkind.value="oneway";//赋值给将传递到下一个页面的参数"actionkind"
			//隐藏往返情况下的返城日期
			document.form1.sectime.value = "";
			document.getElementById("backdate_checkbox").style.display = 'none';
			break;
		case "airreturn": 
			document.form1.actionkind.value="airreturn";//赋值给将传递到下一个页面的参数"actionkind"
			document.form1.sectime.value = "返程日期:";
			document.getElementById("backdate_checkbox").style.display = 'block';
			break;
		default:
			document.getElementsById("oneway_airkind").checked = true;
			document.form1.dstcity.value = "To:";
			document.form1.fsttime.value = "Departing";
			document.form1.sectime.value = "";
			document.form1.back_year.disabled = false;
			document.form1.back_month.disabled = false;
			document.form1.back_date.disabled= false ;
			break;
	}
	
}

//起飞城市
function cfcityDisplay(formname)
{
	var operationform=document.form1;
	if(arguments.length==1){
		operationform=formname;
	}
	
	//清空列表
	var len = operationform.org.options.length;
	for(var i = len-1; i >= 0; i--) {
		operationform.org.options[i] = null;
	}
	
	if(!international){//国内起飞城市
		//itemcode=new Array('PEK','BAV','BHY','CGQ','CSX','CGD','CTU','CIF','CKG','DLC','DDG','DAT','DAX','DSN','FOC','CAN','KWL','KWE','GOQ','HRB','HAK','HLD','HGH','HFE','HET','TXN','TNA','JMU','JZH','KMG','LHW','LUM','LXA','LZO','LZY','NZH','MIG','KHN','NDG','NKG','NNG','NTG','NGB','PZI','TAO','SYX','SWA','SHA','PVG','SZX','SHE','TYN','TSN','TGO','WXN','WEH','WNZ','URC','HLH','WUH','WUS','WUX','XFN','XIY','XIC','XNN','XIL','XMN','XUZ','JHG','YNT','YNZ','INC','YBP','YIH','YIW','YCU','YNJ','DYG','CGO','ZUH');
		itemcode = domesticcitycode;
	}
    else {//国际起飞城市
		//itemcode=new Array('PEK','CTU','CKG','DLC','KWE','HGH','TNA','KMG','LXA','NNG','TAO','SHA','SHE','SZX','TSN','WEH','WUH','XMN','YNJ','YNT','blue','HKG','BKK','DEL','FUK','HIJ','JKT','KUL','KTM','LAX','OSA','NGO','NYC','PUS','SDJ','SEL','SFO','SGN','SIN','SPK','TAE','TYO','TPE','ULN','YVR');
		itemcode = domesticcitycode.concat(new Array('blue','HKG','BKK','DEL','FUK','HIJ','JKT','KUL','KTM','LAX','OSA','NGO','NYC','PUS','SDJ','SEL','SFO','SGN','SIN','SPK','TAE','TYO','TPE','ULN','YVR'));
	}
	for(var i=0;i<itemcode.length;i++){
		if (itemcode[i]=='SHA'&&international){
			//operationform.org.options[operationform.org.length]=new Option('Shanghai 上海','SHA');
			continue;
		}
		if (itemcode[i]=='blue'&&international){
			var blueline_option = new Option(citycode[itemcode[i]],itemcode[i]);
			blueline_option.style.color ="blue";
			operationform.org.options[operationform.org.length]=blueline_option;
			continue;
		}
		operationform.org.options[operationform.org.length]=new Option(citycode[itemcode[i]],itemcode[i]); 
	}
    setdv(operationform.org,"PEK");
}

function detectdstcity(formname){
	var operationform=document.form1;
	if(arguments.length==1){
		operationform=formname;
	}
	if(operationform.dst.value == "TPE"){
		alert(alerttpestr);
	}
}