function checkfld()
{
 if (document.form1.firstname.value=="")
    {
        alert("Please input your first name!");
        form1.firstname.focus();
        return false;
	}
 if (document.form1.familyname.value=="")
   {
        alert("Please input your family name!");
        form1.familyname.focus();
        return false;
	}
 if (document.form1.address.value=="")
   {
        alert("Please input your address!");
        form1.address.focus();
        return false;
	}
 if (document.form1.city.value=="")
   {
        alert("Please input your city!");
        form1.city.focus();
        return false;
	}
 if (document.form1.province.value=="")
   {
        alert("Please input your province!");
        form1.province.focus();
        return false;
	}
 if (document.form1.postalcode.value=="")
   {
        alert("Please input your postal code!");
        form1.postalcode.focus();
        return false;
	}
 if (document.form1.homephone.value=="")
   {
        alert("Please input your home phone!");
        form1.homephone.focus();
        return false;
	}
 if (document.form1.email.value=="")
   {
        alert("Please input your E-mail!");
        form1.email.focus();
        return false;
	}
 if (document.form1.CreditCardNumber.value=="")
   {
        alert("Please input your credit card number!");
        form1.CreditCardNumber.focus();
        return false;
	}
 if (document.form1.expirationDate.value=="")
   {
        alert("Please input your expiration date!");
        form1.expirationDate.focus();
        return false;
	}
 if (document.form1.checkInDate.value=="")
   {
        alert("Please input your check-in date!");
        form1.checkInDate.focus();
        return false;
	}
 if (document.form1.checkInTime.value=="")
   {
        alert("Please input your approximative time of arrival!");
        form1.checkInTime.focus();
        return false;
	}
 if (document.form1.checkOutDate.value=="")
   {
        alert("Please input your check-out date!");
        form1.checkOutDate.focus();
        return false;
	}
 if (document.form1.numberOfNights.value=="")
   {
        alert("Please input the number of nights!");
        form1.numberOfNights.focus();
        return false;
	}
 if (document.form1.numberOfroom.value=="")
   {
        alert("Please input the number of rooms!");
        form1.numberOfroom.focus();
        return false;
	}
 if (document.form1.roomtype.value=="")
   {
        alert("Please choose the type of your room!");
        form1.roomtype.focus();
        return false;
	}
 if (document.form1.numberOfadult.value=="")
   {
        alert("Please input the number of adult!");
        form1.numberOfadult.focus();
        return false;
	}
 if (document.form1.numberOfchild.value=="")
   {
        alert("Please input your the number of child!");
        form1.numberOfchild.focus();
        return false;
	}
/* if (document.form1.familyname.value=="")
   {
        alert("Please input your family name!");
        form1.familyname.focus();
        return false;
	}
 if (document.form1.familyname.value=="")
   {
        alert("Please input your family name!");
        form1.familyname.focus();
        return false;
	}*/
 return true;
}