var viaturas = null;
var carImg = null;
var imgPath = "http://www.wh-executiveservice.com/images/cars/_";
var imgExtension = ".jpg";
var auto = null;
var manual = null;
var r_auto = null;
var r_manual = null;

function init(){
viaturas = document.getElementById("viatura");
carImg = document.getElementById("car");
auto = document.getElementById("auto");
manual = document.getElementById("manual");
r_auto = document.getElementById("r_auto");
r_manual = document.getElementById("r_manual");

hideTransmission();

viaturas.options[1]=new Option("VW Golf SW 1.9 TDI", 1, true, false);
viaturas.options[2]=new Option("VW Passat 2.0 TDI", 2, true, false);
viaturas.options[3]=new Option("VW Passat 2.0 TDI SW", 3, true, false);
viaturas.options[4]=new Option("Audi A4 2.0 TDI", 4, true, false);
viaturas.options[5]=new Option("Audi A4 2.0 SW", 5, true, false);
viaturas.options[6]=new Option("Lexus IS 220D", 6, true, false);
viaturas.options[7]=new Option("Chrysler Sebring Cabrio 2.0", 7, true, false);
viaturas.options[8]=new Option("Jeep Wrangler 2.8D", 8, true, false);
viaturas.options[9]=new Option("Mercedes Classe E 220 CDI", 9, true, false);
viaturas.options[10]=new Option("BMW 525", 10, true, false);
viaturas.options[11]=new Option("Audi A6 Sport 2.7 SW", 11, true, false);
viaturas.options[12]=new Option("Jaguar S-Type", 12, true, false);
viaturas.options[13]=new Option("Audi Q7 3.0", 13, true, false);
viaturas.options[14]=new Option("Mercedes Classe S 320 CDI", 14, true, false);

}

function hideTransmission(){
	auto.style.display = "none";
	manual.style.display = "none";
}

function showTransmission(){
	auto.style.display = "inline";
	manual.style.display = "inline";
}

function showManual(){
	manual.style.display = "inline";
	r_manual.checked = true;
	
	
}
function showAuto(){
	auto.style.display = "inline";
	r_auto.checked = true;
}

function updateViatura(){
	hideTransmission();
	
	carImg.src = imgPath + viaturas.selectedIndex + imgExtension;
	
	switch(viaturas.selectedIndex){
		//none
		case 0:
		carImg.src = imgPath + "pixel.gif";
		break;
	//manual
	case 1:	case 4:	case 6:	case 7:	case 8:	case 11:
		showManual();
		break;
	//auto
	case 12: case 13:
		showAuto();
		break;
	//both
	default:
		showTransmission();
	}
}