var length = 2;
var galleryImage = new Array(length);
 
for (i=0; i<(length); i++) {
	galleryImage[i] = new Array(2);
}
 
galleryImage[0][0] = "/axa/north.nsf/AttachmentsByTitle/North/$FILE/image1.jpg";
galleryImage[0][1] = "Susan accelerates her super success";
galleryImage[0][2] = "/axa/north.nsf/Content/Product-CaseStudy1";
 
galleryImage[1][0] = "/axa/north.nsf/AttachmentsByTitle/North/$FILE/image2.jpg";
galleryImage[1][1] = "Tom protects & grows his pension investment";
galleryImage[1][2] = "/axa/north.nsf/Content/Product-CaseStudy2";
 
function nextImage() {
	var i;
	for (i=0; i<(length); i++) {
	if ((document.getElementById('gallery_img').src.indexOf(galleryImage[i][0])) != -1) {
		if (i != (length-1)) {
		document.getElementById('gallery_img').src = galleryImage[i+1][0];
		document.getElementById('gallery_img').alt = galleryImage[i+1][1];
		document.getElementById('gallery_anchor').href = galleryImage[i+1][2];
		break;
		} else {
		document.getElementById('gallery_img').src = galleryImage[0][0];
		document.getElementById('gallery_img').alt = galleryImage[0][1];
		document.getElementById('gallery_anchor').href = galleryImage[0][2];
		break;
		}
	}
	}
}
function prevImage() {
	var i;
	for (i=0; i<(length); i++) {
	if ((document.getElementById('gallery_img').src.indexOf(galleryImage[i][0])) != -1) {
		if (i != 0) {
		document.getElementById('gallery_img').src = galleryImage[i-1][0];
		document.getElementById('gallery_img').alt = galleryImage[i-1][1];
		document.getElementById('gallery_anchor').href = galleryImage[i-1][2];
		break;
		} else {
		document.getElementById('gallery_img').src = galleryImage[length-1][0];
		document.getElementById('gallery_img').alt = galleryImage[length-1][1];
		document.getElementById('gallery_anchor').href = galleryImage[length-1][2];
		break;
		}
	}
	}
}