function checkform (form)
  {

  var firstname = form.firstname.value ;
  if (firstname == "")
    {
      alert ("Please enter first name.") ;
      form.firstname.focus();
      return ;
    }
		 var lastname = form.lastname.value ;
  if (lastname == "")
    {
      alert ("Please enter last name.") ;
      form.lastname.focus();
      return ;
    }

  var street = form.street.value ;
  if (street == "")
    {
      alert ("Please enter your street.") ;
      form.street.focus();
      return ;
    }

  var state = form.state.value ;
  if (state == "")
    {
      alert ("Please enter your state.") ;
      form.state.focus();
      return ;
    }

  var zip = form.zip.value ;
  if (zip == "")
    {
      alert ("Please enter your zip.") ;
      form.zip.focus();
      return ;
    }

  var homephone = form.homephone.value ;
  if (homephone == "")
    {
      alert ("Please enter your home phone number.") ;
      form.homephone.focus();
      return ;
    }
  form.submit() ;
 

  }