<!-- hide script from older browsers

if(document.images) {

catalog = new Image();
catalog.src = "/nav/button_info_catalog5.gif";

catalogover = new Image();
catalogover.src = "/nav/button_info_catalog5_over.gif";

calendar = new Image();
calendar.src = "/nav/button_info_calendar5.gif";

calendarover = new Image();
calendarover.src = "/nav/button_info_calendar5_over.gif";

prereg = new Image();
prereg.src = "/nav/button_info_prereg5.gif";

preregover = new Image();
preregover.src = "/nav/button_info_prereg5_over.gif";

}

// --> end hiding script from older browsers