var img = new Array;

img[0] = "../image/top_01.jpg";
img[1] = "../image/top_02.jpg";
img[2] = "../image/top_03.jpg";
img[3] = "../image/top_04.jpg";
img[4] = "../image/top_05.jpg";
img[5] = "../image/top_06.jpg";
img[6] = "../image/top_07.jpg";
img[7] = "../image/top_08.jpg";


function random_img(){
        var i = myrandom(img.length) - 1;
        document.write("<IMG SRC=\""+img[i]+"\">");
}
function myrandom(max){
        var v = max * Math.random();
        if(v == 0.0){v = 1;}else{v = Math.ceil(v);}
        return v;
}