A greasemonkey script to replace a link to copy site of Stack Overflow with a link to the original page

link_to_stack_overflow.user.js

// ==UserScript==
// @name           Link to Stack Overflow
// @namespace      http://capybala.com/
// @description    Replace a link to copy site of Stack Overflow with a link to the original page
// @include        http://www.google.co.jp/search*
// ==/UserScript==

var regex_list = [
	/^http:\/\/ja\.w3support\.net\/.*db=(\w+).*id=(\w+)/
];

var dbs = {
  so: 'http://stackoverflow.com/questions/',
  su: 'http://superuser.com/questions/'
};

var i, j;

for (i = 0; i < document.links.length; i++) {
	var link = document.links[i];

	for (j = 0; j < regex_list.length; j++) {
		var match = link.href.match(regex_list[j]);

		if (match != null) {
			var db = match[1];
			var id = match[2];
			if (!dbs[db]) {
				break;
			}
			link.href = dbs[db] + id;
			break;
		}
	}
}