routes = {"YHZ-YYZ":"","LHR-YHZ":"","CUN-YVR":"","YVR-YYZ":"","CUN-YYZ":"","CUN-YEG":"","YEG-YUL":"","LIR-YUL":"","YUL-YYC":"","YWG-YYC":"","YWG-YYZ":"","SFO-YYZ":""};airports = {"YHZ":["44.881186","-63.508708","HALIFAX INTL"],"YYZ":["43.676661","-79.630645","TORONTO\/LESTER B. PEARSON INTL"],"LHR":["51.477500","-0.461389","LONDON HEATHROW"],"CUN":["21.042742","-86.873200","CANCUN"],"YVR":["49.194694","-123.183967","VANCOUVER INTERNATIONAL"],"YEG":["53.309789","-113.579617","EDMONTON INTL"],"YUL":["45.470464","-73.740933","MONTREAL\/PIERRE ELLIOT TRUDEAU"],"LIR":["10.593014","-85.545545","DANIEL ODUBER"],"YYC":["51.113833","-114.020333","CALGARY INTL"],"YWG":["49.910011","-97.240094","WINNIPEG\/JAMES A. RICHARDSON"],"SFO":["37.618972","-122.374889","SAN FRANCISCO INTERNATIONAL"]};show = "PID_VAC047401";