function popupPhotos( url, pwidth, pheight  ) {
	var top 	= ( screen.height - pheight ) / 2 ;
  	var left 	= ( screen.width - pwidth ) / 2 ;
	phowin=window.open( url , 'Photo', 'top=' + top + ',left=' + left + ',width=' + pwidth + ',height= ' + pheight + ',MenuBar=no,location=no,resizable=yes,scrollbars=yes,status=yes' ) ; 
	phowin.focus() ; 
	return false ;
}

function popupGoldenBook( url, pwidth, pheight  ) {
	var top 	= ( screen.height - pheight ) / 2 ;
  	var left 	= ( screen.width - pwidth ) / 2 ;
	gbwin=window.open( url , 'GoldenBook', 'top=' + top + ',left=' + left + ',width=' + pwidth + ',height= ' + pheight + ',MenuBar=no,location=no,resizable=yes,scrollbars=yes,status=yes' ) ; 
	gbwin.focus() ; 
	return false ;
}