function fn_fixpng(){
	$('img, a').ifixpng();
	$('.ico_hotro, .ico_thanphien, .ico_domain, .ico_news, .ico_hosting, .ico_info').ifixpng();
}
function fn_clearFormContact(){
	var form = document.contactForm;
	form.n_name.value = '';
	form.n_address.value = '';
	form.n_phone.value = '';
	form.n_email.value = '';
	form.n_title.value = '';
	form.n_content.value = '';
}