function leadUpTo() {
    var index = /\/index\.html?$/;
    var myhost = "homepage2.nifty.com";
    with (window.location) {
        if ((host != myhost && ! /^localhost/.test(host)) || index.test(pathname) || window.top.location.href != href)
            window.top.location.replace("http://" + myhost + pathname.replace(index, "") + search + hash);
    }
}

leadUpTo();

function ge(id) {
    return document.getElementById(id);
}

function SetThisUrl() {
    var myUrl = ge("thisUrl");
    if (myUrl != null)
	      myUrl.innerHTML = 'このページのURL: <input type="text" value="' + location.href.replace(/[\?#].*/, '') + '" />';
}