function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}
function showChinese()
{
	$('.eSpan').hide();
	$('.cSpan').show();
	createCookie("whatLanguage","Chinese",365);
}
function showEnglish()
{
	$('.cSpan').hide();
	$('.eSpan').show();
	createCookie("whatLanguage","English",365);
}
function showEnglishChinese()
{
	$('.eSpan').show();
	$('.cSpan').show();
	createCookie("whatLanguage","EnglishChinese",365);
}
function initLanguage()
{
		var whatLanguage = readCookie("whatLanguage");
	if (whatLanguage == "English")
		showEnglish();
	else if (whatLanguage == "Chinese")
		showChinese();
	else if (whatLanguage == "EnglishChinese")
		showEnglishChinese();
	else
		showEnglishChinese();
}