if (document.images) { 

var img1on = new Image();
img1on.src = "img/navi/bo_01.gif";
var img1off = new Image();
img1off.src = "img/navi/b_01.gif";

var img2on = new Image();
img2on.src = "img/navi/bo_02.gif";
var img2off = new Image();
img2off.src = "img/navi/b_02.gif";

var img3on = new Image();
img3on.src = "img/navi/bo_03.gif";
var img3off = new Image();
img3off.src = "img/navi/b_03.gif";

var img4on = new Image();
img4on.src = "img/navi/bo_04.gif";
var img4off = new Image();
img4off.src = "img/navi/b_04.gif";

var img5on = new Image();
img5on.src = "img/navi/bo_05.gif";
var img5off = new Image();
img5off.src = "img/navi/b_05.gif";

var img7on = new Image();
img7on.src = "img/title_banner_on.gif";
var img7off = new Image();
img7off.src = "img/title_banner.gif";

} 

// 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'); 
} 

} 


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}