function it2en() {
	var url = document.location.href;
	var pos = url.lastIndexOf('lang=IT');
	if (pos != -1)
	{
		if (url.indexOf('ELRIV'))
		{
			url = url.replace('ELRIV', 'ELRIVEN');
		}
		url = url.replace('IT/', 'EN/');
		url = url.replace('IT?', 'EN?');
		url = url.replace('IT!', 'EN!');
		url = url.replace('lang=IT', 'lang=EN');
		location.href = url;
	}
	else
	{
		pos = url.lastIndexOf('lang=EN');
		if (pos != -1)
		{
			if (url.indexOf('ELRIVEN'))
			{
				url = url.replace('ELRIVEN', 'ELRIV');
			}
			url = url.replace('EN/', 'IT/');
			url = url.replace('EN?', 'IT?');
			url = url.replace('EN!', 'IT!');
			url = url.replace('lang=EN', 'lang=IT');
			location.href = url;
		}
		else
		{
			
		}
	}
}