function validateRequestForm(form){
	var messageA = "First name is mandatory";
	var messageB = "Last name is mandatory";
	var messageC = "Email is mandatory";
	var messageD = "Phone is mandatory";
	var messageE = "Street Addres is mandatory";
	var messageF = "City is mandatory";
	var messageG = "ZIP is mandatory";
	var messageH = "Please write a valid email";
	var CanSubmit = false;
    CanSubmit = ForceEntry(form.firstName,messageA);
	if (CanSubmit) CanSubmit = ForceEntry(form.lastName,messageB);;
	if (CanSubmit) CanSubmit = ForceEntry(form.email,messageC);;
	if (CanSubmit) CanSubmit = isEmail(form.email,messageH);;
	if (CanSubmit) CanSubmit = ForceEntry(form.phone,messageD);;
	if (CanSubmit) CanSubmit = ForceEntry(form.street,messageE);;
	if (CanSubmit) CanSubmit = ForceEntry(form.city,messageF);;
	if (CanSubmit) CanSubmit = ForceEntry(form.zip,messageG);;

	return CanSubmit;
}