function supports_html5_storage() {
try {
return 'sessionStorage' in window && window['sessionStorage'] !== null;
} catch (e) {
return false;
}
}
function setLang(l)
{
document.body.className=l;
if (supports_html5_storage()) {
sessionStorage.setItem('lang', l);
}
}
function get_default_lang()
{
langs = ['en', 'de', 'fr'];
for (var i in navigator.languages) {
for (var j in langs) {
if (navigator.languages[i].indexOf(langs[j]) != -1) {
return langs[j];
}
}
}
return 'en';
}
function loadLang()
{
l = 'null';
if (supports_html5_storage()) {
l = sessionStorage.getItem('lang');
}
if (l == 'null') l = get_default_lang();
setLang(l);
}