routes = {"SFO-YVR":"","YLW-YVR":"","YLW-YYZ":"","YWG-YYZ":""};airports = {"SFO":["37.618972","-122.374889","SAN FRANCISCO INTERNATIONAL"],"YVR":["49.194694","-123.183967","VANCOUVER INTERNATIONAL"],"YLW":["49.957222","-119.377778","KELOWNA"],"YYZ":["43.676661","-79.630645","TORONTO\/LESTER B. PEARSON INTL"],"YWG":["49.910011","-97.240094","WINNIPEG\/JAMES A. RICHARDSON"]};show = "PID_VAC047639";