var globalid = 1;
function change(url) {
    var so = new SWFObject(url, "vimeo", "512", "288", "8", "#000000");
    so.addParam("allowFullScreen", "true");
    so.addParam("wmode", "transparent");
    so.write("player");
}

function swapOut(newPiece) {
    globalid = newPiece;
    var divs = document.getElementById('left').getElementsByTagName('div');
    for (var i = 0; i < divs.length; i++) {
        if (divs[i].className == 'portfolio') {
            divs[i].style.display = 'none';
        }
    }
    //document.getElementById('left').getElementsByTagName('div')[0].style.display="none"
    document.getElementById('portfolio_' + newPiece).style.display = "block";

    if (newPiece != 0)
        document.getElementById("player").innerHTML = "";
    else
        change("http://vimeo.com/moogaloop.swf?clip_id=4943915&amp;server=vimeo.com&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=&amp;fullscreen=1");
}

function next() {
    var nextid = globalid + 1;
    if (document.getElementById('portfolio_' + nextid)) {
        swapOut(nextid);
    }
}
function prev() {
    var nextid = globalid - 1;

    if (document.getElementById('portfolio_' + nextid) && nextid > 0) {
        swapOut(nextid);
    }
}