(function($) {
 Drupal.behaviors.baTweaks = {}
  Drupal.behaviors.baTweaks.attach = function(context) {
       
			// on media view hide body field if teaser field exists.	
			  $('.node-media.view-mode-teaser .field-name-field-media-teaser').siblings('.field-name-body').css('display', 'none')
            

  };

})(jQuery);;