Www.wikipedia.org template/js

function $(id) { return document.getElementById(id) };
 
function addLoadEvent(fn) {
	if (window.addEventListener) addEventListener("load", fn, false);
	else if (window.attachEvent) attachEvent("onload", fn);
}
 
addLoadEvent(function () { $("searchInput").focus(); });
 
function getLang() {
	var uiLang = navigator.language || navigator.userLanguage;
	var results = document.cookie.match("(?:^|\W)searchLang=([^;]+)");
	return results ? results[1].toLowerCase() : uiLang;
}
 
function selectLanguage() {
	var lang = getLang();
	if (!lang) return;
	var iso639 = lang.match(/^\w+/);
	if (!iso639) return;
	iso639 = (iso639[0] == "nb") ? "no" : iso639[0];
	var langs =
		"ar,ca,cs,da,de,en,es,eo,fr,id,it,hu,nl,ja,ko,no,pl,pt,ro,ru,sk,sr,fi,sv,tr,uk,vi,vo,zh,";
	if (langs.indexOf(iso639 + ",") >= 0) {
		$("language").value = iso639;
	}
}
addLoadEvent(selectLanguage);
 
//function convertChinese(lang) {
//	if ("zh-hans,zh-cn,zh-sg,zh-my,".indexOf(lang + ",") < 0) return;
//	$('zh_1').innerHTML = "自由的百科全书";
//	$('zh_2').innerHTML = "条目";
//}
 
// Assumes the Chinese Wikipedia domain to be "http://zh.wikipedia.org/".
function convertZhLink(link, locale) {
	var domain = "http://zh.wikipedia.org/";
	if (link.href.indexOf(domain) < 0) return;
	link.href = link.href.replace(domain + "wiki", domain + "zh-" + locale);
}
 
function convertZhLinks() {
	var lang = getLang();
	if (lang.indexOf("zh") != 0) return;
	var locale = lang.substring(3 /* "zh-".length */);
	if (locale == "mo") locale = "hk";
	else if (locale == "my") locale = "sg";
	if ("cn,tw,hk,sg,".indexOf(locale) >= 0) {
		convertZhLink($("zhwiki"), locale);
		convertZhLink($("zhothers"), locale);
	}
}
addLoadEvent(convertZhLinks);
 
function setLang(lang) {
	var uiLang = navigator.language || navigator.userLanguage;
	var date = new Date();
	if (uiLang.match(/^\w+/) == lang) date.setTime(date.getTime() - 1);
	else date.setFullYear(date.getFullYear() + 1);
	document.cookie = "searchLang=" + lang + ";expires=" + date.toUTCString() +
		";domain=" + location.host + ";";
}