hover link

// ==UserScript==
// @name          Hover Links (v2)
// @namespace     http://www.userscripts.org
// @description   A tooltip pops up when hovering over links.
// @include       *
// ==/UserScript==
// define
var bg_color = 'linear-gradient(#fff, #ddd)';
var border_color = 'InfoText';
var font_color = 'InfoText';
var font_face = 'message-box';
var font_size = '13px';
// sorry, change slyles manually in function create_window   :-)
// variables
(function () {
    function locate(event) {
        var ttWin = find_window();
        if (ttWin) {
            var tempLeft = (event.clientX + window.pageXOffset) + 9;
            var tempTop = (event.clientY + window.pageYOffset) + 10;
            ttWin.style.top = tempTop + 'px';
            ttWin.style.left = tempLeft + 'px';
        }
    }
    function find_window() {
        return document.getElementById('link_tt');
    }
    function create_window(id, ttTitle) {
        var tt_div = document.createElement('div');
        tt_div.setAttribute('id', 'link_tt');
        tt_div.setAttribute('style', 'text-align: left; background:' + bg_color + ';border:1px solid ' + border_color + ';padding:2px;color:' + font_color + ';font-family:' + font_face + ';font-size:' + font_size + ';position:absolute;z-index:1000000;' +
        'padding-left: 6px; padding-right: 6px; padding-top: 2px; padding-bottom: 3px; ' +
        'max-width: 60% !important; line-height: 1.4 !important; width: auto !important;' +
        '-moz-border-radius: 0.7em !important;');
        var decodedUrl = decodeURIComponent(id.href);
        if (ttTitle) {
            ttTitle = '<font style="font-size: 13px; color: #8b0000;">' + ttTitle + '</font><br>';
        }
        else {
            ttTitle = '';
        }
        tt_div.innerHTML = ttTitle + decodedUrl + '</font>';
        document.body.appendChild(tt_div);
    }
    function kill_window() {
        if (find_window()) find_window() .parentNode.removeChild(find_window());
    }
    function create_event(id) {
        if (id.title) {
            var ttTitle = id.title;
            id.addEventListener('mouseover', function () {
                create_window(id, ttTitle);
            }, false);
            id.title = '';
        }
        else {
            id.addEventListener('mouseover', function () {
                create_window(id);
            }, false);
        }
        id.addEventListener('mouseout', function () {
            kill_window();
        }, false);
        id.addEventListener('mousemove', function (event) {
            locate(event);
        }, true);
    }
        var link = document.getElementsByTagName('a');
        for (i = 0; i < link.length; i++) {
            create_event(link[i]);
        }
}) ()