function() {
    var value = top.getSelection();
    if (!value || value == "") {
        value = "";
    }

    var url = "BASE" + "/wiki/.new-topic?name=" + encodeURIComponent(value);
    var win = window.open(url);
    win.focus();
}

*Allows you to create a new topic from any web page that you are visiting in your browser.* Select some text on the web page you are visiting. This text will become the name of the new topic. The Topincs Wiki dialog to create a new topic will open, in which you can type the topic. Only after committing this dialog, the topic is created.