function newImage(arg) { if (document.images) { rslt = new Image(); rslt.src = arg; return rslt; } } function changeImages() { if (document.images && (preloadFlag == true)) { for (var i=0; i<changeImages.arguments.length; i+=2) { document[changeImages.arguments[i]].src = changeImages.arguments[i+1]; } } } var preloadFlag = false; function preloadImages() { if (document.images) { hb_news_over = newImage("images/hb-news-over.gif"); hb_calendar_over = newImage("images/hb-calendar-over.gif"); hb_iris_over = newImage("images/hb-iris-over.gif"); hb_maps_over = newImage("images/hb-maps-over.gif"); hb_employment_over = newImage("images/hb-employment-over.gif"); hb_contact_over = newImage("images/hb-contact-over.gif"); hb_search_over = newImage("images/hb-search-over.gif"); preloadFlag = true; } }