function insertFacebookButton(){
    var e="https://www.facebook.com/plugins/likebox.php?href=http%3A%2F%2Fwww.facebook.com%2Fpwelt&width=265&colorscheme=light&show_faces=false&stream=false&header=false&height=62";
    var b=document.getElementById("fbLike");
    var c=b.style.width;
    var a=b.style.height;
    var d=document.createElement("IFRAME");
    d.setAttribute("src",e);
    d.setAttribute("scrolling","no");
    d.setAttribute("frameBorder",0);
    d.setAttribute("allowTransparency",true);
    d.style.border="none";
    d.style.overflow="hidden";
    d.style.width=c;
    d.style.height=a;
    
    
    
    
    
    
    b.replaceChild(d,document.getElementById("fbl"));
}