routes = {"DCA-YYZ":"","DCA-DCA":"","LGA-YYZ":"","YYC-YYZ":""};airports = {"DCA":["38.851917","-77.037700","RONALD REAGAN WASHINGTON NATNL"],"YYZ":["43.676661","-79.630645","TORONTO\/LESTER B. PEARSON INTL"],"LGA":["40.777250","-73.872611","LA GUARDIA"],"YYC":["51.113833","-114.020333","CALGARY INTL"]};show = "PID_VAC047644";