var form = "";
var submitted = false;
var error = false;
var error_message = "";

function check_input(field_name, field_size, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;

    if (field_value == '' || field_value.length < field_size) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}

function check_email_address(field_name_1, field_name_2, message) {
  	if (form.elements[field_name_1].value != form.elements[field_name_2].value) {
      	error_message = error_message + "* " + message + "\n";
      	error = true;
    }
  }

function check_select(field_name, field_default, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;

    if (field_value == field_default) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}

function check_form(form_name) {
  if (submitted == true) {
    alert("This form has already been submitted. Please press Ok and wait for this process to be completed.");
    return false;
  }

  error = false;
  form = form_name;
  error_message = "Errors have occured during the process of your form.\n\nPlease make the following corrections:\n\n";

  check_input("from", 2, "Your Name must contain a minimum of 2 characters.");
  check_input("email_address1", 6, "Your E-Mail Address must contain a minimum of 6 characters.");
  check_select("country", "", "You must select a country from the Countries pull down menu.");
  check_email_address("email_address1", "email_address2", "Please fill in the same address for both Your email address and Confirm email address");	
  if (error == true) {
    alert(error_message);
    return false;
  } else {
    submitted = true;
    return true;
  }
}