routes = {"YVR-YYC":"","YLW-YVR":"","YHZ-YYZ":"","SFO-YVR":""};airports = {"YVR":["49.194694","-123.183967","VANCOUVER INTERNATIONAL"],"YYC":["51.113833","-114.020333","CALGARY INTL"],"YLW":["49.957222","-119.377778","KELOWNA"],"YHZ":["44.881186","-63.508708","HALIFAX INTL"],"YYZ":["43.676661","-79.630645","TORONTO\/LESTER B. PEARSON INTL"],"SFO":["37.618972","-122.374889","SAN FRANCISCO INTERNATIONAL"]};show = "PID_VAC047701";