code: @Override
  	public void renderHead(final Component component, final IHeaderResponse response)
  	{
  		super.renderHead(component, response);
  		response.render(JavaScriptHeaderItem
  			.forReference(Application.get().getJavaScriptLibrarySettings().getJQueryReference()));
  		response.render(JavaScriptHeaderItem.forReference(PopupoverlayResourceReference.INSTANCE));
  		final PopupoverlayJsGenerator generator = new PopupoverlayJsGenerator(this.settings,
  			this.component.getMarkupId());
  		final String javascript = generator.generateJs();
  
  		response.render(OnLoadHeaderItem.forScript(javascript));
  	}
docs: {@inheritDoc}