google_booooooooogle.js

// ==UserScript==
// @name           Booooooooogle
// @include        http://www.google.co.jp/*
// @include        http://www.google.com/*
// ==/UserScript==
(function() {
    opera.addEventListener('BeforeEvent', function(e) {
        if (e.event.type == 'keypress' && e.event.keyCode == 13) {
             e.preventDefault();
        }
        else if (e.event.type == 'submit' && e.event.target.name == 'f') {
             e.preventDefault();
        }
    }, true);
    opera.addEventListener('BeforeEvent.click', function(e) {
        var ele = e.event.target;
        while (ele) {
            if (ele.nodeName == 'A') break;
            ele = ele.parentNode;
        }
        if (ele) {
            e.preventDefault();
        }
    }, true);
})()