function checkForm() {
		var frm = document.frmFeedback;
		if (frm.name.value == "") {
			alert("Vui long nhap ho ten cua ban!");
			frm.name.focus();
			return false;
		}
		if (frm.email.value == "") {
			alert("Vui long nhap dia chi email cua ban!");
			frm.email.focus();
			return false;
		} else {
			var email=frm.email.value;
			var emailPat = /^(\".*\"|[A-Za-z]\w*)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/;
			var matchArray = email.match(emailPat);
			if (matchArray == null) {
				alert("Dia chi email khong hop le!");
				frm.email.focus();
				return false;
			}
		}
		if (frm.title.value == "") {
			alert("Vui long nhap tieu de");
			frm.address.focus();
			return false;
		}
		if (frm.content.value == "") {
			alert("Vui long nhap noi dung phan hoi!");
			frm.content.focus();
			return false;
		}
		if (frm.content.value.length > 1000) {
			alert("Noi dung thong tin khong duoc qua 1000 ky tu!");
			frm.content.focus();
			return false;
		}
		$.ajax({
				type:"POST", url: "modules/faqs/dopage.asp",
				data:{
					'isNew':	'add',
					'name':		frm.name.value,
					'title':	frm.title.value,
					'email':	frm.email.value,
					'content':	frm.content.value,
					'catid': 	frm.hidcatid.value
				},
				success: function(data) {
					$('#formContent').html(data) ;
				},
				errror: function(data) {
					alert(data) ;
				}
		});
	}