//--------------------------------------------------
function isValidEmail(theField)
{    
    if(theField.value.indexOf('@', 0) == -1 ||
       theField.value.indexOf('.', 0) == -1)
        return false ;
    else
	return true;
}

//--------------------------------------------------
function verify(form)
{
    if(!isValidEmail(form.email))
    { 
	if(form.email.value == "N/A" ||
	   form.email.value == "n/a")
        {
	  
        }
	else
        {
  	  alert("Invalid Email Format.\nIf you wish not to leave an email, please enter N/A") ;
	  form.email.focus() ;  
	  return ;
        }	
    }
    if(form.comments.value.length < 130)
    {
        alert("Your message is too short! Please try to add to it.");
        return ;
    }	

    if(form.name.value == "" ||
       form.email.value == "" ||
       form.address1.value == "" ||
       form.comments.value == "")
    {
	alert("Please fill out all required fields!");
	return ;
    }
    else if(form.address1.value != "" &&
            form.address2.value != "" &&
	    form.address3.value == "")
    {
	alert("You forgot your zip code!") ;
	return ;
    }
    else
    {
	form.submit() ;
    }
}

function preview(form)
{
  form.action = "/SaveThe7/preview.php" ;
  verify(form) ;
}