kasi_time_select.user.js

// ==UserScript==
// @name        Kasi-Time Select
// @namespace   github.com/mavc
// @include     http://www.kasi-time.com/*
// @version     1.0
// @grant       unsafeWindow
// ==/UserScript==

(function() {
    /*
     * Make kasi-time text selectable by removing
     * certain event listeners.
     */
    window.addEventListener("load", function () {
        var $ = unsafeWindow.jQuery;
        $("body").off();
        $("head style").remove();
    });
})();