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) {
    id3panel_01_over = newImage("files/holisticaging.org/images/3panel_01-over.gif");
    id3panel_yellow_over = newImage("files/holisticaging.org/images/3panel_yellow-over.gif");
    id3panel_purple_over = newImage("files/holisticaging.org/images/3panel_purple-over.gif");
    id3panel_red_over = newImage("files/holisticaging.org/images/3panel_red-over.gif");
    id3panel_10_over = newImage("files/holisticaging.org/images/3panel_10-over.gif");
    preloadFlag = true;
  }
}