function load() {
    var body = document.getElementsByTagName("body")[0];
    var main = document.getElementById("main");
    var right = document.getElementById("right");

    var main_width = body.clientWidth - right.clientWidth - 120;

    if (main_width > 300) {
        main.style.marginRight = "220px";
    } else {
        main.style.marginRight = "0";
        main.style.borderRight = "none";
        right.style.width = "auto";
        main.style.width = "auto";

        if (navigator.appName == "Microsoft Internet Explorer") {
            main.style.styleFloat = "none";
            right.style.styleFloat = "none";
        } else {
            main.style.cssFloat = "none";
            right.style.cssFloat = "none";
        }
        var jp = document.getElementById("jumpmain");
        jp.style.display = "block";
    }

};