routes = {"YUL-YYZ":"","YYT-YYZ":"","YOW-YYZ":"","YQT-YYZ":"","BNA-YYZ":""};airports = {"YUL":["45.470464","-73.740933","MONTREAL\/PIERRE ELLIOT TRUDEAU"],"YYZ":["43.676661","-79.630645","TORONTO\/LESTER B. PEARSON INTL"],"YYT":["47.618620","-52.752420","ST. JOHNS INTL"],"YOW":["45.322503","-75.667270","OTTAWA MACDONALD CARTIER INTL"],"YQT":["48.371997","-89.321703","THUNDER BAY"],"BNA":["36.124472","-86.678195","NASHVILLE INTERNATIONAL"]};show = "PID_VAC047470";