function replaceFonts() {
    Cufon.replace('.cufon', { fontFamily: 'DIN-LightAlternate' });
}

if (window.addEventListener) {
    window.addEventListener("load", replaceFonts, false);
} else {
    if (window.attachEvent) {
        window.attachEvent("onload", replaceFonts);
    } else {
        // try to run now
        replaceFonts();
    }
}