@Override
public void renderHead(IHeaderResponse response)
{
// rendered at the default header bucket
final JavaScriptResourceReference topJsReference = new JavaScriptResourceReference(
FilteredHeaderPage.class, "top.js");
response.render(new FilteredHeaderItem(JavaScriptHeaderItem.forReference(topJsReference),
JavaScriptFilteredIntoFooterHeaderResponse.HEADER_FILTER_NAME));
// rendered at the bottom of the body bucket