// Mozilla Firefox CSS
if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)) {
    var version = new Number(RegExp.$1);
    if (version >= 3)
        document.write("<link rel=\"stylesheet\" type=\"text/css\" media=\"screen\" href=\"../css/sff3.css\" />");
    if (version <= 2)
        document.write("<link rel=\"stylesheet\" type=\"text/css\" media=\"screen\" href=\"../css/sff2.css\" />");
}