var debug = document.getElementById('debug');
var pageElements = Array();
var prevPhotoIndex = 0;
var nextPhotoIndex = 0;

function pageElement(args) {
        for (var k in args) {
                this[k] = new Image();
                this[k].latentSource = args[k];
        }
}

function updatePage(photoIndex) {

        var displayPhoto = document.getElementById("display-photo-image");

        var cpe = pageElements[photoIndex];     // current page elements
        var npe = pageElements[photoIndex + 1]; // next page elements

	nextPhotoIndex = photoIndex + 1;

        var activeLink = document.getElementById("photog-link-" + photoIndex);
        var inactiveLink = document.getElementById("photog-link-" + prevPhotoIndex);

        inactiveLink.src = pageElements[prevPhotoIndex].inactive_link.latentSource;
        activeLink.src = cpe.active_link.latentSource;
        displayPhoto.src = cpe.display_photo.latentSource;

	if (photoIndex < 
	
// MODIFY THIS NUMBER!!!	
	
2
	
// MODIFY THIS NUMBER!!!
	
	
	) {
	        npe.active_link.src = npe.active_link.latentSource;
        	npe.display_photo.src = npe.display_photo.latentSource;
	}

        prevPhotoIndex = photoIndex;
}

function showNextPhoto() {
	updatePage(nextPhotoIndex);
}