// ランダムに画像を表示する



var img = new Array;

img[0] = "./home/title01.jpg";
img[1] = "./home/title02.jpg";
img[2] = "./home/title03.jpg";
img[3] = "./home/title04.jpg";
img[4] = "./home/title05.jpg";
img[5] = "./home/title06.jpg";
img[6] = "./home/title07.jpg";
img[7] = "./home/title08.jpg";
img[8] = "./home/title09.jpg";
img[9] = "./home/title10.jpg";
img[10] = "./home/title11.jpg";
img[11] = "./home/title12.jpg";
img[12] = "./home/title13.jpg";
function random_img(){
        var i = myrandom(img.length) - 1;
        document.write("<IMG SRC=\""+img[i]+"\" WIDTH=\"656\" HEIGHT=\"222\" ALT=\"飯田市環境情報（photo by makoto.sato）\">");
}
function myrandom(max){
        var v = max * Math.random();
        if(v == 0.0){v = 1;}else{v = Math.ceil(v);}
        return v;
}