$(document).ready(function() {
	
		var randomImage = $('#top img.random');
		var alternativeImages = new Array();
		try {
			eval('alternativeImages = ' + randomImage.attr('longdesc'));
		} catch(e) {}
		window.setInterval(function() {
			var nextRandomImage = alternativeImages.pop();
			alternativeImages.unshift({src: randomImage.attr('src'), alt: randomImage.attr('alt')});
			
			randomImage.attr('src', nextRandomImage.src);
			randomImage.attr('alt', nextRandomImage.alt);
		}, 5000);   
		
	});