function initializeHomePage() {
    
    // add rollover action to categories
    $$(".item").each(function(item) {
        item.observe("mouseenter", function(event) {
            this.select(".default")[0].hide();
            this.select(".rollover")[0].show();
            this.select(".rollover h2")[0].setStyle({"backgroundImage":"url(/img/xyron/icons/pointer-down.gif)"});
        });
        item.observe("mouseleave", function(event) {
            this.select(".rollover")[0].hide();
            this.select(".default")[0].show();
        });
    });
    
    BannerRotator.initialize();
    
}