browserName=navigator.appName;
browserVer=parseInt(navigator.appVersion);
if(browserVer >=3)
    version="3";
else
    version="2";
if (version=="3")
{
    home_on=new Image();
    home_on.src="images/home-r.gif";
    home_off=new Image();
    home_off.src="images/home.gif";

    services_on=new Image();
    services_on.src="images/services-r.gif";
    services_off=new Image();
    services_off.src="images/services.gif";

    mission_on=new Image();
    mission_on.src="images/mission-r.gif";
    mission_off=new Image();
    mission_off.src="images/mission.gif";

    history_on=new Image();
    history_on.src="images/history-r.gif";
    history_off=new Image();
    history_off.src="images/history.gif";

    keyper_on=new Image();
    keyper_on.src="images/keyper-r.gif";
    keyper_off=new Image();
    keyper_off.src="images/keyper.gif";

    contact_on=new Image();
    contact_on.src="images/contact-r.gif";
    contact_off=new Image();
    contact_off.src="images/contact.gif";

    new_on=new Image();
    new_on.src="images/new-r.gif";
    new_off=new Image();
    new_off.src="images/new.gif";

    guest_on=new Image();
    guest_on.src="images/guest-r.gif";
    guest_off=new Image();
    guest_off.src="images/guest.gif";

    usedCars_on=new Image();
    usedCars_on.src="images/usedCars-r.gif";
    usedCars_off=new Image();
    usedCars_off.src="images/usedCars.gif";

    links_on=new Image();
    links_on.src="images/links-r.gif";
    links_off=new Image();
    links_off.src="images/links.gif";
}

function rollIn(imgName)
{
	if (version=="3")
	{
		document[imgName].src=eval(imgName + "on.src");
	}
}

function rollOut(imgName)
{
	if (version=="3")
	{
		document[imgName].src=eval(imgName + "off.src");
	}
}

var rand1 = 0;
var useRand = 0;

images = new Array;
images[1] = new Image();
images[1].src = "images/topCar1.png";
images[2] = new Image();
images[2].src = "images/topCar2.png";
images[3] = new Image();
images[3].src = "images/topCar3.png";
images[4] = new Image();
images[4].src = "images/topCar4.png";
images[5] = new Image();
images[5].src = "images/topCar5.png";
images[6] = new Image();
images[6].src = "images/topCar6.png";

function swapPic() {
  var imgnum = images.length - 1;
  do {
    var randnum = Math.random();
    rand1 = Math.round((imgnum - 1) * randnum) + 1;
  } while (rand1 == useRand);
  useRand = rand1;
  document.randimg.src = images[useRand].src;
}