function ChangeLanguage(dropdown)
{
    var source   = window.location.href;
    var page     = window.location.href;
    var myindex  = dropdown.selectedIndex;
    var language = dropdown.options[myindex].value;
    if (page.lastIndexOf('-') == -1) {
        page = page.substr(0,page.lastIndexOf('.')) + language + source.substr(source.lastIndexOf('.'));
    } else {
        page = page.substr(0,page.lastIndexOf('-')) + language + source.substr(source.lastIndexOf('.'));
    }
    window.location=page;
}