var left_banner_index = 0;
var left_banner_links = new Array();
var left_banner_images = new Array();

var bottom_banner_index = 0;
var bottom_banner_links = new Array();
var bottom_banner_images = new Array();

var banner_rotation_delay = 5000;

function rotate_banner() {
	if (left_banner_images.length > 1) {
		Effect.Fade("left_banner_image", {to: 0.01});

		setTimeout("document.getElementById('left_banner_image').src=left_banner_images[left_banner_index]; document.getElementById('left_banner_link').href=left_banner_links[left_banner_index]; Effect.Appear('left_banner_image');", 1000);
	}

	if (bottom_banner_images.length > 1) {
		Effect.Fade("bottom_banner_image", {to: 0.01});

		setTimeout("document.getElementById('bottom_banner_image').src=bottom_banner_images[bottom_banner_index]; document.getElementById('bottom_banner_link').href=bottom_banner_links[bottom_banner_index]; Effect.Appear('bottom_banner_image');", 1000);
	}

	left_banner_index++;
	bottom_banner_index++;

	if (left_banner_index >= left_banner_images.length)
		left_banner_index = 0;

	if (bottom_banner_index >= bottom_banner_images.length)
		bottom_banner_index = 0;

	setTimeout("rotate_banner();", banner_rotation_delay);
}