routes = {"YVR-YYC":"","IAH-YYC":"","LHR-YYZ":"","FRA-YYZ":""};airports = {"YVR":["49.194694","-123.183967","VANCOUVER INTERNATIONAL"],"YYC":["51.113833","-114.020333","CALGARY INTL"],"IAH":["29.984434","-95.341442","GEORGE BUSH INTERCONT.\/HOUSTON"],"LHR":["51.477500","-0.461389","LONDON HEATHROW"],"YYZ":["43.676661","-79.630645","TORONTO\/LESTER B. PEARSON INTL"],"FRA":["50.033306","8.570456","FRANKFURT"]};show = "PID_VAC035940";