@@ -0,0 +1,259 @@
+$(document).ready(function()%7B%0A  var $card = $(%22.card%22).not(%22.cat-card%22);%0A%0A  $card.on(%22click%22, function()%7B%0A    if (!($(this).hasClass(%22disabled%22)))%7B%0A      $card.not($(this)).addClass(%22disabled%22);%0A      $(this).addClass(%22chosen%22);  %0A      %0A    %7D%0A    %0A  %7D);%0A%0A%7D);

add event listener to single out chosen card and disable others