function openWindow(image,width,height) {
newWindow = null;
if (window.screen) { awidth = screen.availWidth; aheight = screen.availHeight; } else { awidth = 640; aheight = 480; }
params = 'width='+width+',height='+height+','
+ 'top='+(aheight-height)/2+',left='+(awidth-width)/2+','
+ 'menubar=no,toolbar=no,location=no,status=no,scrollbars=no,resizable=no';
newWindow = window.open('','image',params);
newWindow.document.writeln('');
newWindow.document.writeln('');
newWindow.document.writeln('');
newWindow.document.writeln(' ');
newWindow.document.writeln(' Powiększenie');
newWindow.document.writeln(' ');
newWindow.document.writeln(' ');
newWindow.document.writeln(' ');
newWindow.document.writeln(' 
');
newWindow.document.writeln(' ');
newWindow.document.writeln('');
newWindow.document.close();
}