function detectSilverlight()
{
    if(!Silverlight.isInstalled('1.0'))
    {
        /*
        document.body.className = 'homepageBackgroundNoSL';
        document.getElementById("homepageNoSL").style.display = "block";
        document.getElementById("homepageSL").style.display = "none";
        */
        
        window.location = "about.aspx";
    }
    else
    {
        document.body.className = 'homepageBackgroundSL';
        document.getElementById("homepageNoSL").style.display = "none";
        document.getElementById("homepageSL").style.display = "block";
    }
}