function galleryOpen(where) {
  window.open(where, '_blank', 'width=800,height=600,scrollbars=no,location=no,menubar=no,status=no,resizable=ne,left=200,top=0');
}

function confirmation() {
	var answer = confirm("Opravdu?");
	if (answer){
		return true;
	}
	else{
		exit;
	}
}