try {
  var pageViewer = _bcvm.getPageViewer("5325668430232146905");
  pageViewer.setParameter("ChatWindowDefID", "7033628021681100255");
  pageViewer.setParameter("ChatWidth", "640");
  pageViewer.setParameter("ChatHeight", "480");
  pageViewer.setParameter("InvitationDefID", "1160185138847221757");
  pageViewer.setParameter("WindowScheme", "http");
  pageViewer.pageViewed();
} catch(error) {}