if (document.images)
 { 
// NEWS 北海道医療新聞
var img1off = new Image();img1off.src ="img/news_iryoushinbun.jpg"; var img1on = new Image();img1on.src = "img/news_iryoushinbun_on.jpg"; 
// NEWS 介護新聞
var img2off = new Image();img2off.src ="img/news_kaigo.jpg"; var img2on = new Image();img2on.src = "img/news_kaigo_on.jpg"; 
}


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