$.tabs = function(selector, start) { $(selector).each(function(i, element) { $($(element).attr('tab')).css('display', 'none');  $(element).click(function() { $(selector).each(function(i, element) { $(element).removeClass('selected');  $($(element).attr('tab')).css('display', 'none'); });  $(this).addClass('selected');  $($(this).attr('tab')).css('display', 'block'); }); });  if (!start) { start = $(selector + ':first').attr('tab'); }  $(selector + '[tab=\'' + start + '\']').trigger('click'); };