var offset = 0;

function cycleBan()
{
    offset = (offset + 1) % 4;
    var relativeOffset = - 154 * offset;
    document.getElementById("logo") .style.backgroundPosition = relativeOffset.toString() + "px 0px";
    
    setTimeout("cycleBan()", 2 * 1000);
}

function externalLinks()
{    
    if ( ! document.getElementsByTagName) return;
    var anchors = document.getElementsByTagName("a");
    for (var i = 0; i < anchors.length; i++)
    {
        var anchor = anchors[i];
        //if (anchor.getAttribute("href") &&
        //anchor.getAttribute("rel") == "external")
        //anchor.target = "_blank";
    }
    objects = document.getElementsByTagName("object");
    for (var i = 0; i < objects.length; i++)
    {
        objects[i].outerHTML = objects[i].outerHTML;
    }
    cycleBan();
}
window.onload = externalLinks;