function imgO( imgsrc, imgwcx, imgwcy )
{
  imgwx = Math.round( (screen.width - imgwcx) / 2 );
  imgwy = Math.round( (screen.height - imgwcy) / 2 );
  imgw = window.open( "", "imgw", "toolbar=no, status=no, location=no, width=" + imgwcx + ", height=" + imgwcy + ", top=" + imgwy + ", left=" + imgwx );
  imgw.document.open();
  imgw.document.writeln( "<HTML><HEAD><TITLE>image</TITLE></HEAD><BODY BgColor=\"black\" LeftMargin=\"0\" TopMargin=\"0\" RightMargin=\"0\" BottomMargin=\"0\"><IMG width=\"100%\" height=\"100%\" src=\""+imgsrc+"\"></BODY></HTML>" );
  imgw.document.close();
  imgw.focus();
}

