var i = 0;
fullImageSrc = new Array();
fullImageObj = new Array(); 

if (numOfImages == '')
	numOfImages = 8;

if (photoDir == '')
	photoDir = 'snapper/'; 

function preloadFirstImage() {
	fullImageSrc[0] = 'images/' + photoDir + 'full/f1.jpg';
	fullImageObj[0] = new Image;
	fullImageObj[0].src = fullImageSrc[0];
	document.rollimg.src = fullImageObj[0].src;
}

function preloadThumbs() {	
		//Thumbnail image list
		thumbImageSrc = new Array();
		for (i = 0; i < numOfImages; i++) {
			thumbImageSrc[i] = 'images/' + photoDir + 'thumbs/t' + (i+1) + '.jpg';
		}
		
		//Thumbnail images - .src used in HTML
		thumbImageObj = new Array(); 
		for (i = 0; i < numOfImages; i++) {
			thumbImageObj[i] = new Image;
			thumbImageObj[i].src = thumbImageSrc[i];
		}	
}

function preLoadFull() {
		//Full size image list
		for (i = 1; i < numOfImages; i++) {
			fullImageSrc[i] = 'images/' + photoDir + 'full/f' + (i+1) + '.jpg';
		}
		
		//Full size images - .src used in HTML
		for (i = 1; i < numOfImages; i++) {
			fullImageObj[i] = new Image;
			fullImageObj[i].src = fullImageSrc[i];
		}	
}

function displayGallery() {
		for (i = 0; i < numOfImages; i++) {
			document.write( '<span onmouseover=document.rollimg.src="images/' + photoDir + 'full/f' + (i+1) + '.jpg">' );
            document.write( '<img src="images/' + photoDir + 'thumbs/t' + (i+1) + '.jpg" />' );
            document.write( '</span>' );
        }
}