nav1on = new Image(); 

nav1on.src = "images/nav1_on.gif";

nav1off = new Image(); 

nav1off.src = "images/nav1.gif";



nav1_1on = new Image(); 

nav1_1on.src = "images/nav1_1_on.gif";

nav1_1off = new Image(); 

nav1_1off.src = "images/nav1_1.gif";



nav1_2on = new Image(); 

nav1_2on.src = "images/nav1_2_on.gif";

nav1_2off = new Image(); 

nav1_2off.src = "images/nav1_2.gif";



nav1_3on = new Image(); 

nav1_3on.src = "images/nav1_3_on.gif";

nav1_3off = new Image(); 

nav1_3off.src = "images/nav1_3.gif";



nav2on = new Image(); 

nav2on.src = "images/nav2_on.gif";

nav2off = new Image(); 

nav2off.src = "images/nav2.gif";



nav2_1on = new Image(); 

nav2_1on.src = "images/nav2_1_on.gif";

nav2_1off = new Image(); 

nav2_1off.src = "images/nav2_1.gif";



nav2_2on = new Image(); 

nav2_2on.src = "images/nav2_2_on.gif";

nav2_2off = new Image(); 

nav2_2off.src = "images/nav2_2.gif";


nav2_3on = new Image(); 

nav2_3on.src = "images/nav2_3_on.gif";

nav2_3off = new Image(); 

nav2_3off.src = "images/nav2_3.gif";


nav3on = new Image(); 

nav3on.src = "images/nav3_on.gif";

nav3off = new Image(); 

nav3off.src = "images/nav3.gif";



nav4on = new Image(); 

nav4on.src = "images/nav4_on.gif";

nav4off = new Image(); 

nav4off.src = "images/nav4.gif";



nav5on = new Image(); 

nav5on.src = "images/nav5_on.gif";

nav5off = new Image(); 

nav5off.src = "images/nav5.gif";



nav6on = new Image(); 

nav6on.src = "images/nav6_on.gif";

nav6off = new Image(); 

nav6off.src = "images/nav6.gif";



nav6_1on = new Image(); 

nav6_1on.src = "images/nav6_1_on.gif";

nav6_1off = new Image(); 

nav6_1off.src = "images/nav6_1.gif";



nav6_2on = new Image(); 

nav6_2on.src = "images/nav6_2_on.gif";

nav6_2off = new Image(); 

nav6_2off.src = "images/nav6_2.gif";


nav7on = new Image(); 

nav7on.src = "images/nav7_on.gif";

nav7off = new Image(); 

nav7off.src = "images/nav7.gif";



nav7_1on = new Image(); 

nav7_1on.src = "images/nav7_1_on.gif";

nav7_1off = new Image(); 

nav7_1off.src = "images/nav7_1.gif";



nav7_2on = new Image(); 

nav7_2on.src = "images/nav7_2_on.gif";

nav7_2off = new Image(); 

nav7_2off.src = "images/nav7_2.gif";



nav7_3on = new Image(); 

nav7_3on.src = "images/nav7_3_on.gif";

nav7_3off = new Image(); 

nav7_3off.src = "images/nav7_3.gif";