function get_galery(id) {
    var szel=680;
	var mag=670;
	var felso=Math.round((screen.height-mag-20)/2);
	var balso=Math.round((screen.width-szel)/2);
	window.open('./galeria/gal.php?id='+id,'Galeria','scrollbars=no,status=no,height='+mag+',width='+szel+',top='+felso+',left='+balso+'');
}