var hideId;
var visibleId;

function initBlink(name) {
    clearTimeout(hideId);
    clearTimeout(visibleId);
    blinkInfo(name);
}

function blinkInfo(name) {
    if (!name) {
        return;
    } else {
        document.getElementById(name).style.visibility = 'visible';
        hideId = setTimeout('hideInfo("' + name + '")', 4000);
    }
}

function hideInfo(name) {
    if (!name) {
        return;
    } else {
        document.getElementById(name).style.visibility = 'hidden';
        visibleId = setTimeout('blinkInfo("' + name + '")', 2000);
    }
}