function initUI(){
	$('#lang-value').change(function(){
		var lang=$('#lang-value').val();
		window.location='http://www.tiens-online.com'+location.pathname+'?lang='+lang;
	});
	$('#top-logo').mouseover(function(){
		$('#home-ico').show();
	});
	$('#top-logo').mouseout(function(){
		$('#home-ico').hide();
	});
}