pic = new Array('<img src="http://nbcteam.hexat.com/foto/Mangantuak.jpg"width="100"height="100">','<img src="http://kumango.jw.lt/img/Kmg.jpg"width="100"height="100">','<img src="http://kumango.hexat.com/images/rahmat.jpg"width="100"height="100">','<img src="http://kumango.jw.lt/img/R.jpeg"width="100"height="100">'); 
n=Math.floor(Math.random() * 4);
document.write(pic[n]);