function setLanguageCookie(lan) {
    document.cookie='lang='+lan;
    document.location = document.location;
}


function getCookie (name) {
    var dc = document.cookie;
    var cname = name + "=";
    var clen = dc.length;
    var cbegin = 0;
    
    while (cbegin < clen) {
        var vbegin = cbegin + cname.length;
        
        if (dc.substring(cbegin, vbegin) == cname) {
            var vend = dc.indexOf (";", vbegin);
            if (vend == -1) vend = clen;
            
            return unescape(dc.substring(vbegin, vend));
}
        
        cbegin = dc.indexOf(" ", cbegin) + 1;
        
        if (cbegin== 0) break;
    }
    return "";
}


function showPic(name) {
    imghdl = document.getElementById('immagineGrandeImg');
    imghdl.src = name;
}