var max = 10;
    var nrImages = 2;
    function makeImages() {
    this[0] = "http://talktomechuck.net/styles/WhitEfilmy/theme/images/Logo2.jpg";
	this[1] = "http://talktomechuck.net/styles/WhitEfilmy/theme/images/Logo1.jpg";
    this.length = nrImages;
    }
    function makeLinks() {
    this[0] = "http://talktomechuck.net/";
	this[1] = "http://talktomechuck.net/";
    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]+"><img src="+vetImages[cont-1]+" border=0></a>");
    break;
    }
    }