function Validate(f){
			var valid = true;
			if (f.FirstName.value == ""){
				alert("Please enter your First Name.");
				f.FirstName.focus();
				valid = false;
			}
			
			else if (f.LastName.value == ""){
				alert("Please enter your Last Name.");
				f.LastName.focus();
				valid = false;
			}
			
			else if (f.Contact1.value == ""){
				alert("Please enter a Contact Number");
				f.Contact1.focus();
				valid = false;
			}
			
			else if (f.Email.value == ""){
				alert("Please enter your E-mail Address.");
				f.Email.focus();
				valid = false;
			}
			
			else if (f.Rego.value == ""){
				alert("Please enter you Rego Number.");
				f.Rego.focus();
				valid = false;
			}
			
			else if (f.BookingDate.value == ""){
				alert("Please recommend a suitable date for your test drive.");
				f.BookingDate.focus();
				valid = false;
			}
			
			else if (f.Mileage.value == ""){
				alert("Please enter in Kms. the service that your vehicle is due for.");
				f.Mileage.focus();
				valid = false;
			}
			
			else if (f.Loan_Car.value == ""){
				alert("Please indicate whether you require a Loan Car.");
				f.Loan_Car.focus();
				valid = false;
			}
			
			else if (f.Vehicle_Pickup.value == ""){
				alert("Please indicate whether you require your vehicle to be picked up.");
				f.Vehicle_Pickup.focus();
				valid = false;
			}
				
			return valid;
		}