if (document.images) { 


var top_navi1on = new Image();
top_navi1on.src = "../images/navi-btn01_on.gif";
var top_navi1off = new Image();
top_navi1off.src = "../images/navi-btn01.gif";

var top_navi2on = new Image();
top_navi2on.src = "../images/navi-btn02_on.gif";
var top_navi2off = new Image();
top_navi2off.src = "../images/navi-btn02.gif";

var top_navi3on = new Image();
top_navi3on.src = "../images/navi-btn03_on.gif";
var top_navi3off = new Image();
top_navi3off.src = "../images/navi-btn03.gif";

var top_navi4on = new Image();
top_navi4on.src = "../images/navi-btn04_on.gif";
var top_navi4off = new Image();
top_navi4off.src = "../images/navi-btn04.gif";

var top_navi5on = new Image();
top_navi5on.src = "../images/navi-btn05_on.gif";
var top_navi5off = new Image();
top_navi5off.src = "../images/navi-btn05.gif";

var top_navi6on = new Image();
top_navi6on.src = "../images/navi-btn06_on.gif";
var top_navi6off = new Image();
top_navi6off.src = "../images/navi-btn06.gif";

var top_navi7on = new Image();
top_navi7on.src = "../images/navi-btn07_on.gif";
var top_navi7off = new Image();
top_navi7off.src = "../images/navi-btn07.gif";

var top_navi8on = new Image();
top_navi8on.src = "../images/navi-btn08_on.gif";
var top_navi8off = new Image();
top_navi8off.src = "../images/navi-btn08.gif";

var top_navi9on = new Image();
top_navi9on.src = "../images/navi-btn09_on.gif";
var top_navi9off = new Image();
top_navi9off.src = "../images/navi-btn09.gif";

var column2_link01_00on = new Image();
column2_link01_00on.src = "../images/00link01_on.jpg";
var column2_link01_00off = new Image();
column2_link01_00off.src = "../images/00link01.jpg";

var column2_link02_00on = new Image();
column2_link02_00on.src = "../images/00link02_on.jpg";
var column2_link02_00off = new Image();
column2_link02_00off.src = "../images/00link02.jpg";

}



// ポイント時の処理 
function On(name) { 
if (document.images) { 
document.images[name].src = eval(name + 'on.src'); 
} 
} 

// 放した時の処理 
function Off(name) { 
if (document.images) { 
document.images[name].src = eval(name + 'off.src'); 
} 
}