function set(lang)
{
	document.cookie = 'lang=' + lang + '; expires=Sat, 1 Jan 2020 20:20:20 UTC; path=/'
}

document.cookie.match(/lang=(..)/);
var lang = RegExp.$1;
if(lang)
{
	var dest = 'http://www.solfaktor.' + lang + '/';
	if (window.location.replace) window.location.replace(dest) 
	else window.location= dest; 
}