$(function() {
	$('.hoverable').hover(function() {
		var hoverable = $(this);
		var originalClasses = hoverable.attr('class').split(' ');
		hoverable.data('hoverableOriginalClasses', originalClasses);
		$.each(originalClasses, function() {
			var originalClass = this;
			hoverable.addClass(originalClass + '-hover');
		});
	}, function() {
		var hoverable = $(this);
		hoverable.attr('class', hoverable.data('hoverableOriginalClasses').join(' '));
	});
});