function warn18_ok( sessid ) {
    new Ajax.Request('/inc/warn18.php', {
	method: 'post',
	parameters: { 'sid': sessid },
    	onSuccess: function(transport) {
    	    if (transport.responseText == '1') $('warn18').style.display = 'none';
	}
    });
}

function warn18_cancel() {
    location.href = 'http://aproland.hu';
}