
 <!--


 if (navigator.appVersion.indexOf("2.") != -1){
         check = false;
         }
 if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1)){
         check = false;
         }
 else {
         check = true;
         }
 if (check == true){

                        a = new Image();
                        a.src = "images/nav_tert_low.gif";
                        aon = new Image();
                        aon.src = "images/nav_tert_high.gif";
                        astay = new Image();
                        astay.src = "images/nav_tert_high.gif";

                        b = new Image();
                        b.src = "images/nav_tert_low.gif";
                        bon = new Image();
                        bon.src = "images/nav_tert_high.gif";
                        bstay = new Image();
                        bstay.src = "images/nav_tert_high.gif";

                        c = new Image();
                        c.src = "images/nav_tert_low.gif";
                        con = new Image();
                        con.src = "images/nav_tert_high.gif";
                        cstay = new Image();
                        cstay.src = "images/nav_tert_high.gif";

                        d = new Image();
                        d.src = "images/nav_tert_low.gif";
                        don = new Image();
                        don.src = "images/nav_tert_high.gif";
                        dstay = new Image();
                        dstay.src = "images/nav_tert_high.gif";

                        e = new Image();
                        e.src = "images/nav_tert_low.gif";
                        eon = new Image();
                        eon.src = "images/nav_tert_high.gif";
                        estay = new Image();
                        estay.src = "images/nav_tert_high.gif";

                        e = new Image();
                        e.src = "images/nav_tert_low.gif";
                        eon = new Image();
                        eon.src = "images/nav_tert_high.gif";
                        estay = new Image();
                        estay.src = "images/nav_tert_high.gif";

                        f = new Image();
                        f.src = "images/nav_tert_low.gif";
                        fon = new Image();
                        fon.src = "images/nav_tert_high.gif";
                        fstay = new Image();
                        fstay.src = "images/nav_tert_high.gif";
 }


 imageStay = ""

 function imageon(name){
         if (imageStay != name){
                 document[name].src = eval(name + "on.src");
         }
 }
 function imageoff(name){
         if (imageStay != name){
                 document[name].src = eval(name + ".src");
         }
 }

 function on(name){
         if (check == true){
         imageon(name);
         }
 }
 function off(name){
         if (check == true){
         imageoff(name);
         }
 }

 function stay(name){
         if (check == true){
         document[name].src = eval(name + "stay.src");
         if (imageStay != name){
                 if (imageStay != ""){
                         document[imageStay].src = eval(imageStay + ".src");
                 }
         }
         imageStay = name
         }
 }

// -->