// Language names and ISO-639 codes (both 3-letter and 2-letter codes)
// See http://en.wikipedia.org/wiki/List_of_ISO_639-1_codes

function lang1(namecode2) {
    function lang(code,name,code2) {return {code:code, name:name, code2:code2}}
    var nc=namecode2.split(":")
    var name=nc[0]
    var ws=name.split("/")
    var code2=nc.length>1 ? nc[1] : ""
    return ws.length==1 ? lang(name.substr(0,3),name,code2)
	                : lang(ws[0],ws[1],code2)
}

var languages = // [ISO-639-2 code "/"] language name ":" ISO 639-1 code
    map(lang1,"Amharic:am Arabic:ar Bulgarian:bg Catalan:ca Chinese:zh Danish:da Dutch:nl English:en Finnish:fi French:fr German:de Greek:el Hindi:hi Ina/Interlingua:ia Italian:it Jpn/Japanese:ja Latin:la Norwegian:nb Polish:pl Ron/Romanian:ro Russian:ru Spanish:es Swedish:sv Thai:th Turkish:tr Urdu:ur".split(" "))

var langname={}
var langcode2={}
var langcode3={}
for(var i in languages) {
    langname[languages[i].code]=languages[i].name
    langcode2[languages[i].code]=languages[i].code2
    langcode3[languages[i].code2]=languages[i].code
}

function concname(code) { return langname[code] || code; }
function alangcode(code) { return langcode2[code] || code; }