var tab_selectors_product = null;

$.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');

  tab_selectors_product = selector;
};

function selectTab(tab) {
			$(tab_selectors_product).each(function(i, element) {
				$(element).removeClass('selected');

				$($(element).attr('tab')).css('display', 'none');
			});

			$(tab).addClass('selected');

			$($(tab).attr('tab')).css('display', 'block');
}