old_contents: (function() {
    'use strict';
  
    // DOM events
    var $document = $(document);
  
    $document
      .on('click', '.analytics-artwork-show-phone-number', function() {
        analytics.track("Clicked 'Show phone number'", $(this).data());
      })
      .on('click', '.analytics-artwork-download', function() {
        analytics.track('Downloaded lo-res image');
      })
      .on('click', '.analytics-artwork-share', function() {
        analytics.track('Viewed sharing_is_caring form');
      })
      .on('click', '.analytics-artwork-acquire', function() {
        analytics.track('Clicked "Buy" on the artwork page');
      })
      .on('click', '.analytics-artwork-partner-link', function() {
        analytics.track('Clicked partner name link in detail sidebar');
      })
      .on('click', '.analytics-artwork-contact-seller', function() {
        var context = $(this).data();
        analytics.track('Clicked "Contact Gallery"', {
          artwork_id: context.artwork_id,
          context_type: context.context_type
        });
      });
  
    analyticsHooks
      .on('artwork:zoom', function() {
        analytics.track('Clicked to zoom in on artwork');
      })
      .on('artwork:view-in-room', function(){
        analytics.track("Entered 'View In Room'");
      })
      .on('artwork:contact-gallery', function(context) {
        analytics.track("Clicked 'Contact Gallery'", {
          artwork_id: context.artwork_id,
          context_type: context.context_type
        });
      })
      .on('artwork:contact-specialist', function() {
        analytics.track("Clicked 'Contact Artsy Specialist'");
      })
      .on('artwork:confirm-registration', function() {
        analytics.track("Showed 'Confirm registration on artwork page'", { nonInteraction: 1 });
      })
      .on('save:save-artwork', function(context) {
        // context.label.split(':')[1] === 'artwork_id'
      })
      .on('save:remove-artwork', function(context) {
        // context.label.split(':')[1] === 'artwork_id'
      })
      .on('artwork:view-in-room', function() {
        //
      });
  })();
  
  
new_contents: (function() {
    'use strict';
  
    // DOM events
    var $document = $(document);
  
    $document
      .on('click', '.analytics-artwork-show-phone-number', function() {
        analytics.track("Clicked 'Show phone number'", $(this).data());
      })
      .on('click', '.analytics-artwork-download', function() {
        analytics.track('Downloaded lo-res image');
      })
      .on('click', '.analytics-artwork-share', function() {
        analytics.track('Viewed sharing_is_caring form');
      })
      .on('click', '.analytics-artwork-acquire', function() {
        analytics.track('Clicked "Buy" on the artwork page');
      })
      .on('click', '.analytics-artwork-partner-link', function() {
        analytics.track('Clicked partner name link in detail sidebar');
      })
      .on('click', '.analytics-artwork-contact-seller', function() {
        var context = $(this).data();
        analytics.track('Clicked "Contact Gallery"', {
          artwork_id: context.artwork_id,
          context_type: context.context_type
        });
      });
  
    analyticsHooks
      .on('artwork:zoom', function() {
        analytics.track('Clicked to zoom in on artwork');
      })
      .on('artwork:view-in-room', function(){
        analytics.track("Entered 'View In Room'");
      })
      .on('artwork:contact-gallery', function(context) {
        analytics.track("Clicked 'Contact Gallery'", {
          artwork_id: context.artwork_id,
          context_type: context.context_type
        });
      })
      .on('artwork:contact-specialist', function() {
        analytics.track("Clicked 'Contact Artsy Specialist'");
      })
      .on('artwork:confirm-registration', function() {
        analytics.track("Showed 'Confirm registration on artwork page'", { nonInteraction: 1 });
      })
      .on('artwork:view-in-room', function() {
        //
      });
  })();
  
  
subject: remove duplicate event handler