// ----------------
// zobrazi obrazok v novom okne
function okno(url, alt) {

	sir = screen.width; vys =screen.height;
	x = 0;
	y = 0;
//	x = (screen.width / 2) - (sir / 2);
//	y = (screen.height / 2) - (vys / 2);

//	window.open('image.php?'+url, '', 'location=no,menubar=no,status=no,height='+vys+',width='+sir+'screenX='+x+'screenY='+y+'');

	alt = escape(alt);

	window.open('/image.php?url='+url+'&alt='+alt, '',
		'location=no,menubar=no,status=no,height='+
		vys+',width='+sir+',top='+x+',left='+y+'');
	return false
}