// JavaScript Document
var max = 10;
var nrImages = 4;
function makeImages() {
this[0] = "rotate/banner28.gif";
this[1] = "rotate/banner47.gif";
this[2] = "rotate/banner52.gif";
this[3] = "rotate/banner78.gif";
this.length = nrImages;
}
function makeLinks() {
this[0] = "http://www.sincomerciocatanduva.org.br/index.php?page=CAD";
this[1] = "http://www.sincomerciocatanduva.org.br/index.php?page=DMD";
this[2] = "http://www.sincomerciocatanduva.org.br/index.php?page=CRO";
this[3] = "http://www.sincomerciocatanduva.org.br/index.php?page=CRO";
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("<a href="+vetLinks[cont-1]+" target=_blank><img src="+vetImages[cont-1]+" border=0></a>");
break;
}
}