if (document.images) {
    img1 = new Image();
    img1.src = "/media/g.gif";

    img2 = new Image();
    img2.src = "/media/hdrnav/left_n1.gif";

    img3 = new Image();
    img3.src = "/media/hdrnav/right_n1.gif";

    img4 = new Image();
    img4.src = "/media/hdrnav/mid_n1.gif";

}

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) {
    ga_01_over = newImage("/media/ga/ga_01-over.gif");
    wa_01_over = newImage("/media/wa/wa_01-over.jpg");
    wa_13_over = newImage("/media/wa/wa_13-over.gif");
    fs_01_over = newImage("media/fs/fs_01-over.gif");
    preloadFlag = true;
  }
	//hideDiv('subnav2');
}