routes = {"SFO-YVR":"","YVR-YYC":"","YVR-YWG":"","YWG-YYC":"","ORD-YVR":"","LAS-YVR":""};airports = {"SFO":["37.618972","-122.374889","SAN FRANCISCO INTERNATIONAL"],"YVR":["49.194694","-123.183967","VANCOUVER INTERNATIONAL"],"YYC":["51.113833","-114.020333","CALGARY INTL"],"YWG":["49.910011","-97.240094","WINNIPEG\/JAMES A. RICHARDSON"],"ORD":["41.981650","-87.906672","CHICAGO OHARE INTL"],"LAS":["36.080056","-115.152250","MCCARRAN INTERNATIONAL"]};show = "PID_VAC046785";