$.tabs = function(selector, start) {
	$(selector).each(function(i, element) {
		$($(element).attr('tab')).css('display', 'none');
		
		$(element).click(function() {
			$(selector).each(function(i, element) {
				$($(element).attr('tab')).hide(function() {});
			});
			$($(this).attr('tab')).show('slow', 'linear', function() {});
		});
		
	});
	
	if (!start) {
		start = $(selector + ':first').attr('tab');
	}

	$(selector + '[tab=\'' + start + '\']').trigger('click');
};