function fadeImage(image, opacity, speed) {
    image.style.visibility = 'visible';
    setOpacity(image,opacity);
    continueFadeImage(image, opacity, speed);
}


function setOpacity(obj, o) {

    obj.style.opacity = (o / 100);
    obj.style.MozOpacity = (o / 100);
    obj.style.KhtmlOpacity = (o / 100);
    obj.style.filter = 'alpha(opacity=' + o + ')';
}

function continueFadeImage(image, opacity, speed) {
    opacity = opacity + 3;
    if (opacity < 103) {
	setTimeout(function() {fadeImage(image, opacity, speed)}, speed);
    }
}