function switchRegion(regionCode)
{
	if (regionCode == "") return;
	var href = window.location.href;
	var search = window.location.search;
	var hash = window.location.hash;
	href = href.substring(0, href.length - search.length - hash.length);
	if (search == "")
	{
		search = "?region=" + regionCode;
	}
	else
	{
		var parts = search.substring(1).split('&');
		var search = "";
		for (var i=0;i<parts.length;i++)
		{
			var pieces = parts[i].split('=');
			if (pieces.length == 2)
			{
				if (pieces[0].toLowerCase() != "region")
				{
					search += "&" + pieces[0] + "=" + pieces[1];
				}
			}
		}
		search = "?region=" + regionCode + search;
	}
	window.location.href = href + search + hash;
}