if (document.images) { 


var navi_02on = new Image();
navi_02on.src = "image/top/top_navi02_over.gif";
var navi_02off = new Image();
navi_02off.src = "image/top/top_navi02.gif";


var navi_03on = new Image();
navi_03on.src = "image/top/top_navi03_over.gif";
var navi_03off = new Image();
navi_03off.src = "image/top/top_navi03.gif";


var navi_04on = new Image();
navi_04on.src = "image/top/top_navi04_over.gif";
var navi_04off = new Image();
navi_04off.src = "image/top/top_navi04.gif";


var navi_05on = new Image();
navi_05on.src = "image/top/top_navi05_over.gif";
var navi_05off = new Image();
navi_05off.src = "image/top/top_navi05.gif";


var navi_06on = new Image();
navi_06on.src = "image/top/top_navi06_over.gif";
var navi_06off = new Image();
navi_06off.src = "image/top/top_navi06.gif";


var navi_07on = new Image();
navi_07on.src = "image/top/top_navi07_over.gif";
var navi_07off = new Image();
navi_07off.src = "image/top/top_navi07.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'); 
} 

}