routes = {"YUL-YYZ":"","YWG-YYZ":"","YWG-YYC":"","YVR-YYC":"","YEG-YVR":"","YEG-YUL":"","ORD-YYZ":"","ORD-YUL":"","PHL-YUL":""};airports = {"YUL":["45.470464","-73.740933","MONTREAL\/PIERRE ELLIOT TRUDEAU"],"YYZ":["43.676661","-79.630645","TORONTO\/LESTER B. PEARSON INTL"],"YWG":["49.910011","-97.240094","WINNIPEG\/JAMES A. RICHARDSON"],"YYC":["51.113833","-114.020333","CALGARY INTL"],"YVR":["49.194694","-123.183967","VANCOUVER INTERNATIONAL"],"YEG":["53.309789","-113.579617","EDMONTON INTL"],"ORD":["41.981650","-87.906672","CHICAGO OHARE INTL"],"PHL":["39.872250","-75.240867","PHILADELPHIA INTL"]};show = "PID_VAC047475";