<!--
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 = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
	image1on = newImage("home/ast_tra_f2.gif");
	image1off = newImage("home/ast_tra.gif");
   	image2on = newImage("home/ast_mis_f2.gif");
	image2off = newImage("home/ast_mis.gif");	
	image3on = newImage("home/atm_tra_f2.gif");
	image3off = newImage("home/atm_tra.gif");
	image4on = newImage("home/atm_mis_f2.gif");
	image4off = newImage("home/atm_mis.gif");
	image5on = newImage("home/geo_tra_f2.gif");
	image5off = newImage("home/geo_tra.gif");
	image6on = newImage("home/geo_mis_f2.gif");
	image6off = newImage("home/geo_mis.gif");
	image7on = newImage("home/bio_tra_f2.gif");
	image7off = newImage("home/bio_tra.gif");
	image8on = newImage("home/bio_mis_f2.gif");
	image8off = newImage("home/bio_mis.gif");
	image9on = newImage("home/des_pla_f2.gif");
	image9off = newImage("home/des_pla.gif");
	image10on = newImage("home/over_f2.gif");
	image10off = newImage("home/over.gif");
	image11on = newImage("home/cfs_f2.gif");
	image11off = newImage("home/cfs.gif");
	image12on = newImage("home/teach_f2.gif");
	image12off = newImage("home/teach.gif");
	image13on = newImage("home/upcom_f2.gif");
	image13off = newImage("home/upcom.gif");
	image14on = newImage("home/arch_f2.gif");
	image14off = newImage("home/arch.gif");
	image15on = newImage("home/cont_f2.gif");
	image15off = newImage("home/cont.gif");
//ferret pix
	image17on = newImage("home/fer_lef.jpg");
	image17off = newImage("home/fer_lef.jpg");
	image18on = newImage("home/fer_rig.jpg");
	image18off = newImage("home/fer_rig.jpg");
	image19on = newImage("home/fer_lef_f2.jpg"); //ast_tra
	image20on = newImage("home/fer_lef_f3.jpg"); //ast_mis
	image21on = newImage("home/fer_lef_f4.jpg"); //atm_sci		
	image22on = newImage("home/fer_lef_f5.jpg"); //atm_mis
	image23on = newImage("home/fer_lef_f6.jpg"); //geo_tra
	image24on = newImage("home/fer_lef_f7.jpg"); //geo_mis - not yet active
	image25on = newImage("home/fer_lef_f8.jpg"); //bio_tra
	image26on = newImage("home/fer_lef_f9.jpg"); //bio_mis - not yet active
	image27on = newImage("home/fer_lef_f10.jpg"); //des_pla - not yet active
	image28on = newImage("home/fer_rig_f2.jpg"); //over
	image29on = newImage("home/fer_rig_f3.jpg"); //cfs
//	home/fer_rig_f4.jpg not used
	image30on = newImage("home/fer_rig_f5.jpg"); //tea_par
	image31on = newImage("home/fer_rig_f6.jpg"); //upc_mod
	image32on = newImage("home/fer_rig_f7.jpg"); //arc_eve
	image33on = newImage("home/fer_rig_f8.jpg"); //cont
	preloadFlag = true;
	}
}
preloadImages();
// -->