/*------------------------------------------
Ngay tao :  17:49:13   09/05/2008 
Cong ty : FBC COMPUTER
Du an   : Sieu thi COMPUTER
Lap trinh vien : SUPERLUNGTUNG
------------------------HEO CON--------------*/

function ktDangKy(fname)
{   
		//alert("Xin ban vui long nhap ten");
		var frdk = document[fname];
		//alert("Xin ban vui long nhap ten");
		
		if( isEmpty(frdk.HoVaTen.value)){
			alert("Xin ban vui long nhap ten");
			frdk.HoVaTen.focus();
			return false;
		}
		if(isEmpty(frdk.TenSuDung.value) || (frdk.TenSuDung.value.length < 8)){
			alert("Xin ban vui long nhap ten su dung. It nhat 8 ki tu");
			frdk.TenSuDung.focus();
			return false;
		}
		
		if(isEmpty(frdk.NamSinh.value) || (!isNuber(frdk.NamSinh.value) )){
			alert("Xin ban vui long nhap nam sinh hop le.");
			frdk.NamSinh.focus();
			return false;
		}
		// Kiem tra gioi tinh 		
		var ok = false;
		for(i=0; i < frdk.GioiTinh.length; ++i){
				if(frdk.GioiTinh[i].checked ){
					ok = true;								 
					break;
				}
		}
		if( ! ok ) {
			alert("Xin ban vui long nhap gioi tinh");
			return false;
		}		
		if( ! isEmail(frdk.Email.value)){
				alert("Dia chi Email khong hop le ");
				frdk.Email.focus();
				return false;
		}

		if( ! laMatKhau(frdk.MatKhau.value)){
			alert("Xin ban vui long nhap mat khau. It nhat 8 ki tu");
			frdk.MatKhau.focus();
			return false;
		}
		
		if( frdk.MatKhau.value != frdk.MatKhau2.value){
			alert("Mat khau khong giong nhau ");
			frdk.MatKhau.focus();
			return false;
		}
		
	return true;
}