old_contents: //initialize settings
  HN.settings.initSettings();
  
  if(HN.pageType === 'comments'){
  	//add listener for if user clicks on comments link while on comments page
  	window.addEventListener('hashchange', HN.displayComments, false);
  	HN.displayComments();
  }
  else if(HN.pageType === 'settings'){
  	HN.settings.initSettingsPage();
  }
  else{
  	HN.displayStories();
  }
new_contents: //initialize settings
  HN.settings.initSettings();
  
  if(HN.pageType === 'comments'){
  	//add listener for if user clicks on comments link while on comments page
  	window.addEventListener('hashchange', function(){HN.clearComments(); HN.displayComments();}, false);
  	HN.displayComments();
  }
  else if(HN.pageType === 'settings'){
  	HN.settings.initSettingsPage();
  }
  else{
  	HN.displayStories();
  }
subject: Fix bug where after hash change event on comments page, new comments would be added to existing comments on page, instead of replacing them