if(navigator.appVersion.charAt(0) >= 3) {
var img = new Array();
img[1] = new Image(); img[1].src = "img/top/menu_icon/profile_a.gif";
img[2] = new Image(); img[2].src = "img/top/menu_icon/profile_b.gif";
img[3] = new Image(); img[3].src = "img/top/menu_icon/history_a.gif";
img[4] = new Image(); img[4].src = "img/top/menu_icon/history_b.gif";
img[5] = new Image(); img[5].src = "img/top/menu_icon/ruinsphoto_a.gif";
img[6] = new Image(); img[6].src = "img/top/menu_icon/ruinsphoto_b.gif";
img[7] = new Image(); img[7].src = "img/top/menu_icon/otherphoto_a.gif";
img[8] = new Image(); img[8].src = "img/top/menu_icon/otherphoto_b.gif";
img[9] = new Image(); img[9].src = "img/top/menu_icon/bbs_a.gif";
img[10] = new Image(); img[10].src = "img/top/menu_icon/bbs_b.gif";
img[11] = new Image(); img[11].src = "img/top/menu_icon/link_a.gif";
img[12] = new Image(); img[12].src = "img/top/menu_icon/link_b.gif";
}
function change_image(nam,num) {
if(navigator.appVersion.charAt(0) >= 3) {
document.images[nam].src = img[num].src;
}
}