$(document).ready(function() {

  $('.products-category-buttons1').addClass('selected-tab');
  $('.front-license-plates').slideDown();

  $('a.products-category-buttons1').click(function () {
	  $('.products-category-buttons2, .products-category-buttons3, .products-category-buttons4').removeClass('selected-tab');
	  $('.license-plate-frames, .key-chains, .trailer-hitch-covers').hide();
	  $('.products-category-buttons1').addClass('selected-tab');
	  $('.front-license-plates').fadeIn();	
  });
  
  $('.products-category-buttons2').click(function () {	
  	  $('.products-category-buttons1, .products-category-buttons3, .products-category-buttons4').removeClass('selected-tab');
	  $('.front-license-plates, .key-chains, .trailer-hitch-covers').hide();
	  $('.license-plate-frames').fadeIn();
	  $('.products-category-buttons2').addClass('selected-tab');
  });
  
  $('.products-category-buttons3').click(function () {	
  	  $('.products-category-buttons1, .products-category-buttons2, .products-category-buttons4').removeClass('selected-tab');
	  $('.front-license-plates, .license-plate-frames, .trailer-hitch-covers').hide();
	  $('.key-chains').fadeIn();
	  $('.products-category-buttons3').addClass('selected-tab');

  });
  
  $('.products-category-buttons4').click(function () {	
  	  $('.products-category-buttons1, .products-category-buttons2, .products-category-buttons3').removeClass('selected-tab');
	  $('.front-license-plates, .license-plate-frames, .key-chains').hide();
	  $('.trailer-hitch-covers').fadeIn();
	  $('.products-category-buttons4').addClass('selected-tab');
  });
});