<!-- 

if (document.images) { 


// navi01
var img1on = new Image();
img1on.src = "../images/navi_01_on.gif";
var img1off = new Image();
img1off.src = "../images/navi_01_off.gif";

// navi02 
var img2on = new Image();
img2on.src = "../images/navi_02_on.gif";
var img2off = new Image();
img2off.src = "../images/navi_02_off.gif";

// navi03 
var img3on = new Image();
img3on.src = "../images/navi_03_on.gif";
var img3off = new Image();
img3off.src = "../images/navi_03_off.gif";

// navi04 
var img4on = new Image();
img4on.src = "../images/navi_04_on.gif";
var img4off = new Image();
img4off.src = "../images/navi_04_off.gif";

// navi05
var img5on = new Image();
img5on.src = "../images/navi_05_on.gif";
var img5off = new Image();
img5off.src = "../images/navi_05_off.gif";


} 

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'); 
} 

} 

// -->