function Favorites( ) {
    window.external.AddFavorite( 'http://www.ogusta.com/', 'Ogusta' );
  }

  function openCenterWindow( url, wd, ht, scroll ) {
  d = ( screen.width - wd )/2;
  h = ( ( screen.height-ht )/2 );

  window.open(url,'','top=' + h + ',left=' + d + ',width=' + wd + ',height=' + ht + ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=' + scroll + ',resizable=' + scroll + '').focus();
}

 function openCenterWindow2( url, wd, ht, scroll ) {
  d = ( screen.width - wd )/2;
  h = ( ( screen.height-ht )/2 );

  window.open(url,'','top=' + h + ',left=' + d + ',width=' + wd + ',height=' + ht + ',toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=' + scroll + ',resizable=' + scroll + '').focus();
}