var currentImage = 1;
var fadeTime = 1000;
var waitTime = 3000;
var numImages = 0;

function doFadeOut(image) {
    $('img.headerImage' + image).fadeOut(fadeTime, foCallback);
}

function doFadeIn(image) {
    $('img.headerImage' + image).fadeIn(fadeTime, fiCallback);
}

function foCallback() {
    currentImage++;
    if (currentImage > numImages) { currentImage = 1 };
    doFadeIn(currentImage);
}

function fiCallback() {
    setTimeout("doFadeOut("+currentImage+");", waitTime);
}

$(document).ready(function() {
    numImages = $('div#headerImage img').length;
    setTimeout("doFadeOut(1);", waitTime);
});