var trucksObject = { 
	 "Ashok Leyland" : ["12 M bus", "222 CNG", "Beaver", "Bison", "Bus Hino", "Cheetah bus", "Comet", "Ecomet", "Hippo", "Lynx bus", "Panther bus", "Stag bus", "Taurus", "Tusker", "Vestibule bus", "Viking bus"], 
	 "Eicher" : ["HCV", "HCV Bus", "LCV", "MCV", "Terra"], 
	 "Tata" : ["207 DI", "Ace", "Bus range", "LPT 407", "LPT 709", "LPT 712 EX", "Novus", "SFC 407", "SFC 410 EX", "SFC 709", "Tipper range", "TL 4x4", "Truck range"], 
	 "Tatra" : ["23 N 65 Tractor", "Hemang Dumper", "T-815 Dumper"], 
	 "Volvo" : ["FM Tipper", "FM Tractor"]
 };  
var car_list = eval( trucksObject );