function getCookie(){
    var start;
    var end;
    if(document.cookie.length>0){
        start = document.cookie.indexOf("lang=")
        if(start!=-1){
            start = start + 5;
            end = document.cookie.indexOf(";",start);
            if(end == -1){
                end = document.cookie.length;
            }
            return unescape(document.cookie.substring(start,end));
        }
    }
}

function setLanguage(){
    var id;
    var lang = getCookie();
    if(lang==0){
        id=1;
    }else if(lang==1){
        id=0;
    }else{
        id=0;
    }
    var time = new Date();
    time.setDate(time.getDate()+365);
    document.cookie = 'lang='+escape(id)+";expires="+time.toGMTString()+";path=/";
    window.location.reload();
}

function setCookieText(lang){
    if(lang=='0'){
        document.getElementById('flag').src = '/images/eng.png';
        document.getElementById('flag').alt = "English";
    }
    if(lang=='1'){
        document.getElementById('flag').src = '/images/swe.png';
        document.getElementById('flag').alt = "Svenska";
    }
}