Event.observe(window, 'load', function() {
	$$('.rollover').each(function(elem) { elem.hide(); });
	$$('.rollovertarget').each(function(elem) {
		var box = $$(elem.readAttribute('rel')).first();

		elem.observe('mouseover', function(el) {
			box.clonePosition(elem, {
				setWidth: false, setHeight: false, 
				offsetTop: elem.getHeight(), offsetLeft: elem.getWidth() / 2
			});
			box.show();
		});
		elem.observe('mouseout', function(el) {
			box.hide();
		});
	});
});