var timeout = setTimeout('', 1);
function showhint(id) {
    clearTimeout(timeout);
    hidehints();
    document.getElementById(id).style.display = 'block';
}
function hidehints_delayed() {
    timeout = window.setTimeout('hidehints()', 500);
}
function hidehints() {
    c = document.getElementById('shoe-features');
    divs = c.getElementsByTagName('div');
    for (var i=0;i<divs.length;i++) {
        div = divs[i];
        if (div.id != 'shoe-feature-icons') {
            div.style.display = 'none';
        }
    }
}