simg=new Array(10);
simg[0]="image/top/1-1.jpg";
simg[1]="image/top/1-2.jpg";
simg[2]="image/top/1-3.jpg";
simg[3]="image/top/1-4.jpg";
simg[4]="image/top/1-5.jpg";
simg[5]="image/top/1-6.jpg";
simg[6]="image/top/1-7.jpg";
simg[7]="image/top/1-8.jpg";
simg[8]="image/top/1-9.jpg";
simg[9]="image/top/1-10.jpg";
Myimg=Math.floor(simg.length*Math.random());
document.write("<img src='"+simg[Myimg]+"' width='776' height='243'>");