// some other functions

// print the 'change language' link
function languageLink(lang) {
	
	var hash = window.location.hash || '';
	var hashValue = '';
	if (hash != '') {
		hashValue = hash.replace('#','');
		hashValue = '&page='+encodeURI(hashValue);
	}
	
	
	var link = ''; //<a href="?lang='+lang+hashValue+'"';
	if(lang == 'en') {
		
		link += '<a href="?lang='+lang+hashValue+'" title="View English language website" id="lang-en">English</a> | 中文';
	} else if(lang == 'zh') {
		link += 'English | <a href="?lang='+lang+hashValue+'" title="中文" id="lang-zh">中文</a>';
	}
	return link;
	
}