anchor.diff:  
   
     $(document).ready(function(){
  +    $('#previousPage').hide();
  +    $('#nextPage').hide();
  +    $('#mobilePreviousPage').hide();
  +    $('#mobileNextPage').hide();
       $('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {
         $('.flex-active').toggleClass('flex-active');
         e.currentTarget.className = "flex-active";
  
positive.code:         tags: $('#mobile-tags').val()
        }, function(data){
          $('#mobile-metadata-results').html(metadata_template(data.metadata));
          $('#mobile-collection').html('');
          if(data.results.length > 0){
            $('#mobilePreviousPage').show();
            $('#mobileNextPage').show();
  
negative.code:     }
  
      function submit_mobile_form(){
        
        $.get("https://api.gsa.gov/systems/digital-registry/v1/mobile_apps.json",{
          agencies: $('#mobile-agency').val(),
          language: $('#mobile-language').val(),
  