function foto(numer, width, height) {
   var newWindow = window.open('zdjecie.php?numer=' + numer,'','width=' + width + ',height=' + height + ',resizable=0,scrollbars=no,menubar=no');
   newWindow.moveTo(screen.width/2-width/2,screen.height/2-height/2);
	if (parseInt(navigator.appVersion) == 2 && navigator.appName == "Netscape") {
		if (newWindow != null) {
			newWindow = window.open('zdjecie.php?numer=' + numer,'','width=' + width + ',height=' + height + ',resizable=0,scrollbars=no,menubar=no')
			newWindow.moveTo(screen.width/2-width/2,screen.height/2-height/2);
		}
	}
}