function initGallery(){

	// Check for DOM compliance

	if(!document.getElementById) return false;

	if(!document.getElementsByTagName) return false;



	var gallery = document.getElementById("gallery");

	var thumbs = gallery.getElementsByTagName("a");

	var viewer = document.getElementById("viewer");

	var title = document.getElementById("image-title");

	var caption = document.getElementById("image-caption");

	

	// Load random image first

	var r = Math.floor(Math.random()*10);

	thumbs[r].className = "viewing";

	var imagesrc = thumbs[r].href;

	var newimage = thumbs[r].getElementsByTagName("img")[0];

	var newthumb = imagesrc.replace("full", "preview");

	newimage.setAttribute("src", newthumb);

	viewer.setAttribute("src", imagesrc);

	viewer.onclick = function(){

		window.open(imagesrc);

	}

	// Replace image title

	title.innerHTML = newimage.getAttribute("alt");

	// Replace image caption

	caption.innerHTML = newimage.getAttribute("title");

	

	for(var i=0;i<thumbs.length;i++){

		thumbs[i].onclick = function(){

			imagesrc = this.href;

			newimage = this.getElementsByTagName("img")[0];

			// Replace image source and make link to full-size

			viewer.setAttribute("src", imagesrc);

			viewer.onclick = function(){

				window.open(imagesrc);

			}

			// Replace image title

			title.innerHTML = newimage.getAttribute("alt");

			// Replace image caption

			caption.innerHTML = newimage.getAttribute("title");

			// Reset thumbs

			resetThumbs();

			// Replace thumbnail with larger thumbnail

			this.className = "viewing";

			var newthumb = imagesrc.replace("full", "preview");

			newimage.setAttribute("src", newthumb);

			this.blur();

			return false;				

		}

	}

}

window.onload = initGallery;



function resetThumbs(){

	var gallery = document.getElementById("gallery");

	var thumbs = gallery.getElementsByTagName("a");

	for(var i=0;i<thumbs.length;i++){

		thumbs[i].className = "";

		var thumbimg = thumbs[i].getElementsByTagName("img")[0];

		var thumbsrc = thumbimg.getAttribute("src");

		var resetthumb = thumbsrc.replace("preview", "thumb");

		thumbimg.setAttribute("src", resetthumb);

	}

	return true;

}