//イメージの設定
var img = new Array();

img[0] = "image/title_01.jpg";
img[1] = "image/title_02.jpg";
img[2] = "image/title_03.jpg";
img[3] = "image/title_04.jpg";
img[4] = "image/title_05.jpg";
img[5] = "image/title_06.jpg";

var width = new Array();
width[0] = "680";

var height = new Array();
height[0] = "130";

//リンクの設定
var link = new Array();
link[0] = "./index.html";


//オルトの設定
var msg = new Array();
msg[0] = "屋久島日記";


//表示の実行
function randomImg() {
    var n = Math.floor(Math.random() * img.length);
    document.write('<IMG src="'+img[n]+'" border="0" width="'+width[0]+'" height="'+height[0]+'" alt="'+msg[0]+'" title="'+msg[0]+'">');
}