var fRboard_new_ary = new Array(4);
//亂數取一顯示
var r1 = Math.floor(Math.random() * 4);
var r2 = (r1+1) % 4;
fRboard_new_ary[0] = '';
fRboard_new_ary[1] = '';
fRboard_new_ary[2] = '';
fRboard_new_ary[3] = '';
document.write('');
document.write(' ');
document.write(' | ▼Advertisement | ');
document.write('
');
document.write(' ');
document.write(' | '+fRboard_new_ary[r1]+' | ');
document.write(' '+fRboard_new_ary[r2]+' | ');
document.write('
');
document.write('
');