if (document.images) { 

var img1on = new Image();
img1on.src = "img/f_navi1on.gif"; 
var img1off = new Image();
img1off.src = "img/f_navi1.gif"; 


var img2on = new Image();
img2on.src = "img/f_navi2on.gif";
var img2off = new Image();
img2off.src = "img/f_navi2.gif";


var img3on = new Image();
img3on.src = "img/f_navi3on.gif"; 
var img3off = new Image();
img3off.src = "img/f_navi3.gif"; 


var img4on = new Image();
img4on.src = "img/f_navi4on.gif";
var img4off = new Image();
img4off.src = "img/f_navi4.gif";


var img5on = new Image();
img5on.src = "img/f_navi5on.gif"; 
var img5off = new Image();
img5off.src = "img/f_navi5.gif"; 


var img6on = new Image();
img6on.src = "img/f_navi6on.gif";
var img6off = new Image();
img6off.src = "img/f_navi6.gif";

var img7on = new Image();
img7on.src = "img/f_navi7on.gif"; 
var img7off = new Image();
img7off.src = "img/f_navi7.gif"; 


var img8on = new Image();
img8on.src = "img/adress3_on.gif";
var img8off = new Image();
img8off.src = "img/adress3.gif";

var img9on = new Image();
img9on.src = "img/f_navi9on.gif"; 
var img9off = new Image();
img9off.src = "img/f_navi9.gif"; 


var img10on = new Image();
img10on.src = "img/f_navi8on.gif";
var img10off = new Image();
img10off.src = "img/f_navi8.gif";


var img11on = new Image();
img11on.src = "img/f_navi10on.gif";
var img11off = new Image();
img11off.src = "img/f_navi10.gif";

var img12on = new Image();
img12on.src = "img/img1-on.jpg"; 
var img12off = new Image();
img12off.src = "img/img1.jpg"; 


var img13on = new Image();
img13on.src = "img/img2-on.jpg";
var img13off = new Image();
img13off.src = "img/img2.jpg";


var img14on = new Image();
img14on.src = "img/img3-on.jpg";
var img14off = new Image();
img14off.src = "img/img3.jpg";



} 

function On(name) { 

if (document.images) { 
document.images[name].src = eval(name + 'on.src'); 
} 

} 

function Off(name) { 

if (document.images) { 
document.images[name].src = eval(name + 'off.src'); 
} 

}