// Define browser version
var browserVersion = parseInt(navigator.appVersion);

// Substitute image
function imgLoad (nameTarget, imgName) {
    if (browserVersion > 2) {
        if (document.images) document.images[nameTarget].src = imgName;
    }
    return true;
}

// Preload images
function imgPreload () {
    if (browserVersion > 2) {
        imgLinks1 = new Image(); imgLinks1.src = '/images/icon-more.gif';
        imgLinks1a = new Image(); imgLinks1a.src = '/images/icon-more-act.gif';
        imgLinks2 = new Image(); imgLinks1.src = '/images/spacer.gif';
        imgLinks2a = new Image(); imgLinks1a.src = '/images/bullet-blue.gif';
    }

    return true;
}