function array_shuffle(ar) {
 for (var i=ar.length, j, t; i; j=Math.floor((i--)*Math.random()), t=ar[i], ar[i]=ar[j], ar[j]=t) ;
 return ar;
}

function randphone(phones) {
  var p=array_shuffle(phones);
  for (i=0; i<p.length; document.write(p[i++]+'<br>')) ;
}