routes = {"YOW-YUL":"","BOS-YUL":"","BOS-YHZ":"","YHZ-YYT":"","IAH-YYC":"","YWG-YYC":"","YYR-YYT":"","YHZ-YQY":"","BOS-YYZ":"","YOW-YYZ":"","YSJ-YUL":"","YXE-YYC":"","YKA-YYC":"","YKA-YVR":"","YLW-YVR":"","YLW-YYC":"","YEG-YYC":"","YEG-YZF":"","YUL-YUY":"","YHZ-YYG":"","YQM-YUL":"","YQM-YYG":"","YVR-YYJ":"","BOS-YOW":"","YQB-YUL":"","YQB-YYZ":"","YSB-YYZ":"","YXU-YYZ":"","YSJ-YYZ":"","DTW-YYZ":"","EWR-YUL":"","YHZ-YYZ":"","YTZ-YUL":"","BDL-YYZ":"","YBC-YYY":"","VSF-YUL":"","YUL-YYZ":"","YHZ-YOW":"","YQX-YYT":"","YHZ-YQX":"","YCD-YVR":"","YHZ-YUL":"","PDX-YYC":"","SEA-YYC":"","YOW-YQB":"","YOW-YWG":"","MCO-YYZ":"","MCO-YUL":"","ORD-YYZ":"","YCG-YVR":"","YCG-YYC":"","EWR-YYZ":"","YVR-YYC":"","YUL-YYG":"","BUF-YUL":"","BUF-YYZ":"","HKG-YYZ":"","YYT-YYZ":"","LGA-YUL":"","SXM-YOW":"","YHZ-YQM":"","YQG-YYZ":"","YYC-YYZ":"","YDF-YHZ":"","YQG-YUL":"","YFC-YUL":"","YHZ-YYR":"","IAD-YUL":"","YEG-YQU":"","YTS-YYZ":"","YAM-YYZ":"","YBG-YUL":"","YWK-YZV":"","YFC-YHZ":"","LHR-YUL":"","BRU-YUL":"","YEG-YVR":"","NAS-YYZ":"","YQT-YYZ":"","YWG-YYZ":"","LAX-YVR":"","YVR-YXC":"","YQR-YVR":"","YQR-YXE":"","YQM-YYZ":"","YVR-YXS":"","YQU-YYC":"","YMM-YYC":"","YDF-YQM":"","EWR-YOW":"","DCA-YOW":"","BED-YUL":"","DEN-YYZ":"","SDF-YUL":"","SDF-YYZ":"","PHL-YYZ":"","PHL-YUL":"","BWI-YUL":"","BWI-YHZ":"","PIT-YUL":"","PIT-YYZ":"","YUL-YXU":"","RDU-YUL":"","MKE-YYZ":"","STL-YYZ":"","YQB-YQB":"","BDL-YUL":"","ATL-YYZ":"","CLE-YYZ":"","YQY-YYZ":"","YQY-YUL":"","ORD-YUL":"","LGA-YYZ":"","EWR-YYC":"","YOW-YYC":"","ORD-YVR":"","DEN-YUL":"","SEA-YYZ":"","YVR-YXE":"","IAD-YYZ":"","MIA-YYZ":"","BWI-YYZ":"","MSP-YYZ":"","DCA-YUL":"","YLW-YYZ":"","YOW-YOW":"","FDF-YYZ":"","YUL-YYC":"","DCA-YYZ":""};airports = {"YOW":["45.322503","-75.667270","OTTAWA MACDONALD CARTIER INTL"],"YUL":["45.470464","-73.740933","MONTREAL\/PIERRE ELLIOT TRUDEAU"],"BOS":["42.362972","-71.006417","GEN EDWARD LAWRENCE LOGAN INTL"],"YHZ":["44.881186","-63.508708","HALIFAX INTL"],"YYT":["47.618620","-52.752420","ST. JOHNS INTL"],"IAH":["29.984434","-95.341442","GEORGE BUSH INTERCONT.\/HOUSTON"],"YYC":["51.113833","-114.020333","CALGARY INTL"],"YWG":["49.910011","-97.240094","WINNIPEG\/JAMES A. RICHARDSON"],"YYR":["53.319236","-60.425792","GOOSE BAY"],"YQY":["46.161389","-60.048056","SYDNEY\/J.A. DOUGLAS MCCURDY"],"YYZ":["43.676661","-79.630645","TORONTO\/LESTER B. PEARSON INTL"],"YSJ":["45.316158","-65.890122","SAINT JOHN"],"YXE":["52.170961","-106.699958","SASKATOON\/JOHN G DIEFENBAKER"],"YKA":["50.702511","-120.448606","KAMLOOPS"],"YVR":["49.194694","-123.183967","VANCOUVER INTERNATIONAL"],"YLW":["49.957222","-119.377778","KELOWNA"],"YEG":["53.309789","-113.579617","EDMONTON INTL"],"YZF":["62.463039","-114.440403","YELLOWKNIFE"],"YUY":["48.206189","-78.835589","ROUYN NORANDA"],"YYG":["46.289156","-63.119250","CHARLOTTETOWN"],"YQM":["46.112222","-64.678611","MONCTON"],"YYJ":["48.647222","-123.425742","VICTORIA INTL"],"YQB":["46.791195","-71.393314","QUEBEC\/JEAN LESAGE INTL"],"YSB":["46.625550","-80.797833","SUDBURY"],"YXU":["43.033053","-81.151003","LONDON"],"DTW":["42.212444","-83.353389","DETROIT METROPOLITAN WAYNE CO."],"EWR":["40.692500","-74.168667","NEWARK LIBERTY INTERNATIONAL"],"YTZ":["43.627392","-79.396203","TORONTO\/BILLY BISHOP TORONTO"],"BDL":["41.939145","-72.683372","BRADLEY INTERNATIONAL"],"YBC":["49.132500","-68.204353","BAIE COMEAU"],"YYY":["48.609025","-68.207589","MONT JOLI"],"VSF":["43.343722","-72.517278","SPRINGFIELD-HARTNESS STATE"],"YQX":["48.937020","-54.568136","GANDER INTL"],"YCD":["49.054444","-123.870000","NANAIMO"],"PDX":["45.588708","-122.596870","PORTLAND INTL"],"SEA":["47.449889","-122.311778","SEATTLE-TACOMA INTL"],"MCO":["28.429395","-81.308995","ORLANDO INTL"],"ORD":["41.981650","-87.906672","CHICAGO OHARE INTL"],"YCG":["49.296333","-117.632500","CASTLEGAR\/WEST KOOTENAY"],"BUF":["42.940417","-78.730583","BUFFALO NIAGARA INTL"],"HKG":["22.308889","113.914722","HONG KONG"],"LGA":["40.777250","-73.872611","LA GUARDIA"],"SXM":["18.040928","-63.108958","ST MAARTEN\/PRINCESS JULIANA"],"YQG":["42.275864","-82.957647","WINDSOR"],"YDF":["49.209169","-57.394361","DEER LAKE"],"YFC":["45.868878","-66.537220","FREDERICTON INTL"],"IAD":["38.947445","-77.459945","WASHINGTON DULLES INTL"],"YQU":["55.179975","-118.884686","GRANDE PRAIRE"],"YTS":["48.570658","-81.376639","TIMMINS\/VICTOR M. POWER"],"YAM":["46.485056","-84.509611","SAULT ST.MARIE"],"YBG":["48.330592","-70.995922","BAGOTVILLE"],"YWK":["52.922725","-66.864675","WABUSH"],"YZV":["50.223389","-66.265692","SEPT ILES"],"LHR":["51.477500","-0.461389","LONDON HEATHROW"],"BRU":["50.901389","4.484445","BRUSSELS"],"NAS":["25.038958","-77.466231","LYNDEN PINDLING INT"],"YQT":["48.371997","-89.321703","THUNDER BAY"],"LAX":["33.942495","-118.408070","LOS ANGELES INTERNATIONAL"],"YXC":["49.612222","-115.781945","CRANBROOK\/CANADIAN ROCKIES"],"YQR":["50.432192","-104.666053","REGINA"],"YXS":["53.884039","-122.677553","PRINCE GEORGE"],"YMM":["56.653200","-111.223331","FORT MCMURRAY"],"DCA":["38.851917","-77.037700","RONALD REAGAN WASHINGTON NATNL"],"BED":["42.469945","-71.289000","LAURENCE G HANSCOM FIELD"],"DEN":["39.861667","-104.673167","DENVER INTERNATIONAL"],"SDF":["38.174086","-85.736500","LOUISVILLE INTL-STANDIFORD FLD"],"PHL":["39.872250","-75.240867","PHILADELPHIA INTL"],"BWI":["39.175361","-76.668333","BALTIMORE\/WASH THURGOOD MARSHA"],"PIT":["40.491472","-80.232861","PITTSBURGH INTERNATIONAL"],"RDU":["35.877639","-78.787472","RALEIGH\/DURHAM INTERNATIONAL"],"MKE":["42.947081","-87.897064","GENERAL MITCHELL INTERNATIONAL"],"STL":["38.748697","-90.370028","LAMBERT-ST LOUIS INTERNATIONAL"],"ATL":["33.636720","-84.428067","HARTSFIELD-JACKSON ATLANTA INT"],"CLE":["41.409417","-81.854981","CLEVELAND-HOPKINS INTL"],"MIA":["25.795361","-80.290111","MIAMI INTL"],"MSP":["44.881956","-93.221767","MINNEAPOLIS-ST.PAUL INTL WOLD"],"FDF":["14.592222","-60.996389","MARTINIQUE AIME CESAIRE"]};show = "PID_VAC100";