var bodyClass = document.body.className;
    
    if(bodyClass.match(/template-document_homepage_view/))
    {
        var homepageImage = document.getElementById("homepageimage");
    
        if (homepageImage)
        {
            var backgrounds = "http://agsci.psu.edu/communications/background-images/banner1.jpg;http://agsci.psu.edu/communications/background-images/banner2.jpg".split(";");
            var backgroundAlignments = "center;center".split(";");
            var backgroundHeights = "265;265".split(";");
            var randomnumber = Math.floor(Math.random()*backgrounds.length) ;
            homepageImage.style.backgroundImage = "url(" + backgrounds[randomnumber] + ")";
            homepageImage.style.backgroundPosition = backgroundAlignments[randomnumber];
            homepageImage.style.height = backgroundHeights[randomnumber] + 'px';
        }
    
    }