function validate_required(field,alerttxt)
{
with (field)
  {
  if (value==null||value=="")
    {
    alert(alerttxt);return false;
    }
  else
    {
    return true;
    }
  }
}

function validate_email(field,alerttxt)
{
with (field)
  {
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}

function validate_form(thisform)
{
with (thisform)
  {
	  if (validate_email(email,"Not a valid e-mail address!")==false)
		{email.focus();return false;}
	  else if (validate_required(email,"Email must be filled out!")==false)
		{email.focus();return false;}
	  else if (validate_required(FirstName,"First Name must be filled out!")==false)
		{FirstName.focus();return false;}
	  else if (validate_required(LastName,"Last Name must be filled out!")==false)
		{LastName.focus();return false;}
	  else if (validate_required(StreetAddress,"Address must be filled out!")==false)
		{StreetAddress.focus();return false;}
	  else if (validate_required(City,"City must be filled out!")==false)
		{City.focus();return false;}
	  else if (validate_required(State,"State must be filled out!")==false)
		{State.focus();return false;}
	  else if (validate_required(PostalCode,"Postal Code must be filled out!")==false)
		{PostalCode.focus();return false;}
	  else if (validate_required(Country,"Country must be filled out!")==false)
		{Country.focus();return false;}
	  else if (validate_required(PhoneNumber1,"Phone Number must be filled out!")==false)
		{PhoneNumber1.focus();return false;}
	  else if (validate_required(PhoneNumber2,"Phone Number must be filled out!")==false)
		{PhoneNumber2.focus();return false;}
	  else if (validate_required(PhoneNumber3,"Phone Number must be filled out!")==false)
		{PhoneNumber3.focus();return false;}
  }
}