img[0]='';
img[1]='';
img[2]='';
img[3]='';
img[4]='';
img[5]='';
img[6]='';
img[7]='';
img[8]='';
img[9]='';
img[10]='';
img[11]='';
img[12]='';
img[13]='';
img[14]='';
img[15]='';
img[16]='';
img[17]='';
img[18]='';
img[19]='';
img[20]='';
var n=rand_number(21);
document.write(img[n]);
}
//-->