// This is the array of rollovers

var rollOverNav = new Array();

addNavItem("car racks","bike-car-racks/images/thule-car-rack.jpg");
addNavItem("lighting Systems","../bikes/commuter/lighting-systems/images/sigma-karma-pro-light.jpg");
addNavItem("tires","bicycle-tires/images/bike-tires.jpg");
addNavItem("bike components","bike-components/images/bicycle-components.jpg");
addNavItem("brakes","bicycle-brakes/images/bike-brakes.jpg");
addNavItem("shocks","bicycle-shocks/images/bicycle-shock.jpg");
addNavItem("saddles","bicycle-saddles/images/specialized-saddle.jpg");
addNavItem("hydration","hydration-systems/images/camelbak.jpg");
addNavItem("eyewear","cycling-eyewear/images/tifosi-interchangable-eyewear.jpg");

function addNavItem(title, imgUrl) {
	var item = new Object();
	// Set the nav items values
	item.title = title;
	item.imgUrl = imgUrl;
	// Add the item to the list
	rollOverNav[rollOverNav.length] = item; 
}

var lastIndex = 1;
function rollOver(index) {
	var item = rollOverNav[index-1];
	document.images.productPic.src = item.imgUrl;
}