function addFlashBanner() {
    var content = document.createElement('div');
    var filename = '/templates/homepage_flash.swf';
    var obj = 
        '<object style="" type="application/x-shockwave-flash" data="'+filename+'" width="791" height="291" id="flash-banner">'+
        '<param name="movie" value="'+filename+'" /><param name="wmode" value="transparent"><param name="quality" value="high" /><param name="menu" value="false" /><param name="base" value="/" /><param name="wmode" value="transparent" />'+
        '</object>';
    content.innerHTML = obj

    var c = document.getElementById('silas-banner');
    c.appendChild(content);
}