hs.registerOverlay({
  thumbnailId: null,
  useOnHtml: true,
  overlayId: 'closebutton',
  position: 'top right',
  fade: 2 }); 
hs.graphicsDir = '/includes/hs/graphics/';
hs.showCredits = false;
hs.dimmingOpacity = 0.75;
hs.align='center';
hs.outlineWhileAnimating = true;