function goToLang(lang) 
{	
	var myUrl = window.location.href;
        var begin = myUrl.lastIndexOf("/");
        var end = myUrl.lastIndexOf(".");
        var page = myUrl.substring(begin+1,end);
          
        //window.location.href = "../" + lang + "/Rules.shtml";
        window.location.href = "../" + lang + "/" + page + ".shtml";
	return;
}