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";


nav1_4on = new Image(); 

nav1_4on.src = "images/nav1_4_on.gif";

nav1_4off = new Image(); 

nav1_4off.src = "images/nav1_4.gif";


nav1_5on = new Image(); 

nav1_5on.src = "images/nav1_5_on.gif";

nav1_5off = new Image(); 

nav1_5off.src = "images/nav1_5.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";



nav3on = new Image(); 

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

nav3off = new Image(); 

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



nav3_1on = new Image(); 

nav3_1on.src = "images/nav3_1_on.gif";

nav3_1off = new Image(); 

nav3_1off.src = "images/nav3_1.gif";


nav3_2on = new Image(); 

nav3_2on.src = "images/nav3_2_on.gif";

nav3_2off = new Image(); 

nav3_2off.src = "images/nav3_2.gif";


nav3_3on = new Image(); 

nav3_3on.src = "images/nav3_3_on.gif";

nav3_3off = new Image(); 

nav3_3off.src = "images/nav3_3.gif";


nav3_4on = new Image(); 

nav3_4on.src = "images/nav3_4_on.gif";

nav3_4off = new Image(); 

nav3_4off.src = "images/nav3_4.gif";


nav3_5on = new Image(); 

nav3_5on.src = "images/nav3_5_on.gif";

nav3_5off = new Image(); 

nav3_5off.src = "images/nav3_5.gif";



nav4on = new Image(); 

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

nav4off = new Image(); 

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



nav4_1on = new Image(); 

nav4_1on.src = "images/nav4_1_on.gif";

nav4_1off = new Image(); 

nav4_1off.src = "images/nav4_1.gif";


nav4_2on = new Image(); 

nav4_2on.src = "images/nav4_2_on.gif";

nav4_2off = new Image(); 

nav4_2off.src = "images/nav4_2.gif";



nav5on = new Image(); 

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

nav5off = new Image(); 

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



nav5_1on = new Image(); 

nav5_1on.src = "images/nav5_1_on.gif";

nav5_1off = new Image(); 

nav5_1off.src = "images/nav5_1.gif";


nav5_2on = new Image(); 

nav5_2on.src = "images/nav5_2_on.gif";

nav5_2off = new Image(); 

nav5_2off.src = "images/nav5_2.gif";



nav5_3on = new Image(); 

nav5_3on.src = "images/nav5_3_on.gif";

nav5_3off = new Image(); 

nav5_3off.src = "images/nav5_3.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";



nav6_3on = new Image(); 

nav6_3on.src = "images/nav6_3_on.gif";

nav6_3off = new Image(); 

nav6_3off.src = "images/nav6_3.gif";