function setMessage(type, txt) {
    if (txt != '') {
        document.getElementById('idInfoText').className = type;
        if (txt.length > 80) {
            document.getElementById('idInfoText').style.fontSize = '0.9em';
        } else {
            document.getElementById('idInfoText').style.fontSize = '1em';
        }
        document.getElementById('idInfoText').innerHTML = txt;
        document.getElementById('idInfobubble').className = 'infobubble';
    } else {
        document.getElementById('idInfobubble').className = 'infobubble-clear';
    }
}