var max = 5;
var nrImages = 5;
function makeImages() {
this[0] = "https://lh3.googleusercontent.com/-TS3ahzrdKJs/TqwPUcGhdbI/AAAAAAAANm4/gCoTxf29nqo/s541/001.jpg";
this[1] = "https://lh3.googleusercontent.com/-V-_8eyvpdbM/TqwPVTRRwwI/AAAAAAAANnI/Egpup5wp-EY/s541/002.jpg";
this[2] = "https://lh5.googleusercontent.com/-hAWh2DMcDtA/TyAvyqtmzWI/AAAAAAAASPs/wJ6yWh2T1eA/s541/002.jpg";
this[3] = "https://lh3.googleusercontent.com/-BlCA4ehEXDc/TyAvy6dLkMI/AAAAAAAASPw/o__afJyy180/s541/003.jpg";
this[4] = "https://lh4.googleusercontent.com/-jWSuKKxJ2c0/TyAvzTGyuMI/AAAAAAAASP8/ubi69rgFbFA/s541/001.jpg";

this.length = nrImages;
}

function makeLinks() {
this[0] = "http://www.foneerotico.com.br/";
this[1] = "http://www.foneerotico.com.br/";
this[2] = "http://www.foneerotico.com.br/";
this[3] = "http://www.foneerotico.com.br/";
this[4] = "http://www.foneerotico.com.br/";

this.length = nrImages;
}

var vetImages = new makeImages();
var vetLinks = new makeLinks();
var x = Math.round(Math.random()*max);
var y = max / nrImages;
for(var cont = 1;cont*y<= max;cont++) {
if (x <= (cont*y)) {
document.write("<center><a href="+vetLinks[cont-1]+" target=_blank><img src="+vetImages[cont-1]+" border=0></a></center>");

break;
}
}