Page Comparison

var languages = msg.req.headers["accept-language"].split(';');
var languages = languages.map(function(item){
    var temp = item.split(',');
    if(temp[0].indexOf('=') ===-1) {
        return temp[0];
    }
    return temp[temp.length-1];
});
var langPack = global.get('orbitalang-pack') || {};
node.warn(languages)
var selectedLang = null;
for(var i=0; i<languages.length; i++) {
    if(langPack[languages[i]]) {
        node.warn(languages[i]);
        selectedLang = langPack[languages[i]];
        break;
    }
}
if(!selectedLang) {
    selectedLang = langPack['en-US']
}
if(!msg.bot) {
    msg.bot = {};
}
msg.bot.selectedLang = selectedLang;
return msg;