var soundpath = "https://cyberspace.hkuspace.hku.hk/korean2/resources/sounds/";
var imagespath = "https://cyberspace.hkuspace.hku.hk/korean2/resources/images/";
var videospath = "https://cyberspace.hkuspace.hku.hk/korean2/resources/vidoes/";
var swfpath = "https://cyberspace.hkuspace.hku.hk/korean2/resources/swf/";
var docpath = "https://cyberspace.hkuspace.hku.hk/korean2/resources/doc/";
var html5path = "https://cyberspace.hkuspace.hku.hk/korean2/resources/html5/";

var lang = "chi";
var lang_textbookgroupnumber = 0;
var lang_questiongroupnumber = 0;
var lang_questionnumber = 0;
var lang_ischangelanguage = false;