// Choose page language
function choose_language(strLanguage)
{
	// Write our new language setting in cookie..
	var today = new Date();
	var expire = new Date();
	expire.setTime(today.getTime() + (1000*60*24*3));
	document.cookie = "site_lang="+strLanguage+";expires="+expire.toGMTString();

	// Clear all existing language related querystring variable
	var strURL = location.href;
	strURL = strURL.replace(/#/gi, "");
	strURL = strURL.replace(/&lang=tc/gi, "");
	strURL = strURL.replace(/&lang=en/gi, "");
	strURL = strURL.replace(/\?lang=tc/gi, "");
	strURL = strURL.replace(/\?lang=en/gi, "");

	// Append new language status to querystring..
	strURL = (strURL.indexOf("?") > 0) ? strURL + "&" : strURL + "?";
	strURL = strURL + "lang=" + strLanguage;
	location.href = strURL;
}