// JavaScript Document

<!--ボタン画像を前もって読み込みます-->

if(navigator.appVersion.charAt(0) >= 3) {
        var img = new Array();
        img[0] = new Image();  img[0].src = "images/photo/lbox_01s_print.jpg"; //画像パスを入力
        img[1] = new Image();  img[1].src = "images/photo/lbox_06s_print.jpg"; 
        img[2] = new Image();  img[2].src = "images/photo/lbox_11s_print.jpg"; 
}
function change_image(nam,num) {
        if(navigator.appVersion.charAt(0) >= 3) {
                document.images[nam].src = img[num].src;
        }
}