function windowOpen(image,rx,ry) {
windowH=Math.min(ry+80,screen.height-80);
windowW=Math.min(rx+40,screen.width-40);
msg=window.open("","preview","width="+windowW+",height="+windowH+",location=no,toolbar=no,directories=no,menubar=no,resizable=yes,scrollbars=yes");
msg.document.write('Preview
close window
');
if (window.focus) {msg.focus()}
}