Event.observe(window, 'load',function() {

$('thumbnails').observe('mouseover', function(event){
			var t = Event.element(event);
			if(t.tagName == 'IMG') {
				matches = t.src.match(/(\d*)t\.jpg/);
				$('mainimg').src = '/media/portfolio/'+matches[1]+'.jpg';
				$('cutline').innerHTML = t.alt;
				$('picDetailsDiv').innerHTML = $('content'+matches[1]).innerHTML;
			}
			return false;
		});
});