var _global = {site_root: '/'};function changeLanguage (lang)
{
	if (location.search.indexOf('?') == -1)
	{
		location.href = location.protocol+'//'+location.host+location.pathname+"?lang="+lang+location.hash;
	}
	else
	{
		location.href = location.protocol+'//'+location.host+location.pathname+location.search+"&lang="+lang+location.hash;
	}
}