function ChangeLanguage(languageCode, pageID)
{
	var d = new Date(2009, 1, 5);
	document.cookie =  "LanguageCode=" + escape(languageCode) + "; expires=" + d.toUTCString() + "; path=/goldmund-media-room/";
	var oqs = new Querystring();
	var qs = location.search.substring(1, location.search.length);

	if (pageID != "")
	{
		var req = new JsHttpRequest();
		req.onreadystatechange = function()
		{
			if (req.readyState == 4)
			{
				if (req.responseJS && req.responseJS.Answer && req.responseJS.Answer.Error)
				{
					alert(req.responseJS.Answer.Error);
					return;
				}
				document.location.href = req.responseJS.Answer;
			}
		}
		req.caching = false;
		req.open('POST', 'get_path.php', true);
		req.send({ PageID: pageID, LangCode: languageCode });
	}
	else
	{
		if (window.urlLanguageCode)
		{
			var reg = new RegExp("/"+urlLanguageCode+"/");
			var str = document.location.href;
			if (oqs.get("switch") == null)
			{
				if (qs.length > 0)
					document.location.href = str.replace(reg, "/"+languageCode+"/")+"&switch=1";
				else
					document.location.href = str.replace(reg, "/"+languageCode+"/")+"?switch=1";
			}
			else
			{
				document.location.href = str.replace(reg, "/"+languageCode+"/");
			}
		}
		else
		{
			if (oqs.get("switch") == null)
			{
				if (qs.length > 0)
					document.location.href = document.location.href+"&switch=1";
				else
					document.location.href = document.location.href+"?switch=1";
			}
			else
			{
				document.location.href = document.location.href;
			}
		}
	}
}

function Querystring()
{
	this.params = new Object()
	this.get = GetQuerystring;

	var qs = location.search.substring(1, location.search.length)
	if (qs.length == 0) return

	// Turn <plus> back to <space>
	// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
	qs = qs.replace(/\+/g, ' ');
	var args = qs.split('&') // parse out name/value pairs separated via &

	// split out each name=value pair
	for (var i = 0; i < args.length; i++)
	{
		var value;
		var pair = args[i].split('=');
		var name = unescape(pair[0]);

		if (pair.length == 2)
			value = unescape(pair[1]);
		else
			value = name;

		this.params[name] = value;
	}
}

function GetQuerystring(key, default_)
{
	// This silly looking line changes UNDEFINED to NULL
	if (default_ == null) default_ = null;

	var value = this.params[key]
	if (value == null) value = default_;

	return value
}