function redir(url){
	window.location=url;
}
function updatecaptcha() {
   img = document.getElementById('imgCaptcha'); 
   //Change the image
   img.src = '../../lib/captcha/immagine.php?' + Math.random();
}


function set_cookie(name, value)
{
	document.cookie= name + "=" + escape(value);
}

function get_cookie(name)
{
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);

	if (begin == -1)
	{
		begin = dc.indexOf(prefix);
		if (begin != 0)
		{
			return null;
		}
	}
	else
	{
		begin += 2;
	}

	var end = document.cookie.indexOf(";", begin);

	if (end == -1)
	{
		end = dc.length;
	}
	return unescape(dc.substring(begin + prefix.length, end));
}

function nuovalingua(id) {
  var url = String(window.location) ;
  set_cookie('lang', id);
  var index2 = url.indexOf('#');
	
  a=url.split('#');
  url=a[0];
  
  var index = url.indexOf('?');
  
  
  conc=(index == -1)?"?":"&";
  //conc2=(a[1] <>'')?"#"+a[1]:"";  
  
  
  url = url + conc+"lang="+id;
  //alert (url);
  window.location=url;
}