function newImage(arg) {if (document.images) {rslt = new Image(); rslt.src = arg; return rslt;}}
function changeImages() {if (document.images){for (var i=0; i<changeImages.arguments.length; i+=2){document[changeImages.arguments[i]].src = changeImages.arguments[i+1];}}}

newImage('/images/section_nav/sn_athletes_on.gif');
newImage('/images/section_nav/sn_buytickets_on.gif');
newImage('/images/section_nav/sn_dailyschedule_on.gif');
newImage('/images/section_nav/sn_event_on.gif');
newImage('/images/section_nav/sn_music_on.gif');
newImage('/images/section_nav/sn_recap_on.gif');
newImage('/images/section_nav/sn_schedules_on.gif');
newImage('/images/section_nav/sn_site_on.gif');
newImage('/images/section_nav/sn_volunteer_on.gif');
