$(document).ready(function() {
    $('#homeButton').mouseover(function() { $('#homeButton').children().filter('img').attr('src', '/img/home_over.gif'); });
    $('#homeButton').mouseout(function() { $('#homeButton').children().filter('img').attr('src', '/img/home.gif'); });
    $('#homeButton').not('.disableLink').click(function() { document.location = '/'; });
});