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_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_password(field_name_1, field_name_2, field_size, message_1, message_2) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password = form.elements[field_name_1].value;
    var confirmation = form.elements[field_name_2].value;

    if (password == '' || password.length < field_size) {
      error_message = error_message + "* " + message_1 + "\n";
      error = true;
    } else if (password != confirmation) {
      error_message = error_message + "* " + message_2 + "\n";
      error = true;
    }
  }
}

function check_password_new(field_name_1, field_name_2, field_name_3, field_size, message_1, message_2, message_3) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password_current = form.elements[field_name_1].value;
    var password_new = form.elements[field_name_2].value;
    var password_confirmation = form.elements[field_name_3].value;

    if (password_current == '' || password_current.length < field_size) {
      error_message = error_message + "* " + message_1 + "\n";
      error = true;
    } else if (password_new == '' || password_new.length < field_size) {
      error_message = error_message + "* " + message_2 + "\n";
      error = true;
    } else if (password_new != password_confirmation) {
      error_message = error_message + "* " + message_3 + "\n";
      error = true;
    }
  }
}

function check_form(form_name) {
	
	error = false;
	form = form_name;
	error_message = "There were errors in the form submission. Please make the following corrections:\n\n";
	check_select("title", "", "You must select your title from the Title pull down menu.");
	check_input("first_name", 2, "Your First Name must contain a minimum of 2 characters.");
	check_input("last_name", 2, "Your Last Name must contain a minimum of 2 characters.");
	check_input("email_address", 6, "Your Email Address must contain a minimum of 6 characters.");
	check_input("company", 2, "Your Company Name must contain a minimum of 2 characters.");
	check_input("address", 2, "Your Address must contain a minimum of 2 characters.");
	check_input("town", 2, "Your Town must contain a minimum of 2 characters.");
	check_input("county", 2, "Your County/State must contain a minimum of 2 characters.");
	check_input("postcode", 2, "Your Postcode must contain a minimum of 4 characters.");
	check_select("country", "", "You must select a country from the Countries pull down menu.");
	check_input("telephone", 3, "Your Telephone Number must contain a minimum of 3 characters.");
	check_input("proj_desc", 2, "Your Project Description must contain a minimum of 2 characters.");
	check_input("interest", 2, "Your Reason of Interest must contain a minimum of 2 characters.");
	check_select("sales", "", "You must select your estimated sales volume from the pull down menu.");
	check_password("pass", "pass_conf", 8, "Your Password must contain a minimum of 8 characters.", "The Password Confirmation must match your Password.");
	
	if (error == true) {
		alert(error_message);
		return false;
	} else {
		return true;	
	}
	
	
}