// this script requires the variable slideImagePath to be set to the
// path of the promo images
// example: var slideImagePath = 'images/frontpage/'; 
function swapImages() {
	var img_promo = document.getElementById("img_promo");
	var a_promo = document.getElementById("a_promo");		
	if (img_promo){
		if (img_promo.src.indexOf(slideImagePath +"main_1.jpg") > 0){
			if (a_promo){a_promo.href = "/content/new_fiesta";}
			img_promo.src = slideImagePath + "main_2.jpg";
				}
		else if (img_promo.src.indexOf(slideImagePath +"main_2.jpg") > 0){
			if (a_promo){a_promo.href = "/content/new_focus";}				
			img_promo.src = slideImagePath + "main_3.jpg";
			}
			else if (img_promo.src.indexOf(slideImagePath +"main_3.jpg") > 0){
			if (a_promo){a_promo.href = "/content/new_smax";}				
			img_promo.src = slideImagePath + "main_4.jpg";
			}
		else{
			if (a_promo){a_promo.href = "/content/new_transit";}				
			img_promo.src = slideImagePath + "main_1.jpg";
			}
		}
}
function preloadImages() {
	img1 = new Image(594, 276);
	img1.src = slideImagePath + "main_1.jpg";
	img2 = new Image(594, 276);
	img2.src = slideImagePath + "main_2.jpg";
	img3 = new Image(594, 276);
	img2.src = slideImagePath + "main_3.jpg";
	img4 = new Image(594, 276);
	img4.src = slideImagePath + "main_4.jpg";		
	setInterval("swapImages()", 6000);
}
window.onload = preloadImages;