var i = 0;
        var introphoto0 = new Array("./images/intro.jpg");
        var introphoto1 = new Array("./images/intro-2.jpg");
        var introphoto2 = new Array("./images/intro-3.jpg");
        var introphoto3 = new Array("./images/intro-4.jpg");
        var introAlbum = new Array(introphoto0,introphoto2);
        
        function introrandom()
        {
                    var randi = Math.floor((introAlbum.length)*Math.random());
                    document.getElementById("intro-photo").innerHTML = "<img src=\""+introAlbum[randi]+"\" alt=\"From here, it's possible.\" width=460 height=235>";
        
        }