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_radio(field_name, message) {
  var isChecked = false;

  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var radio = form.elements[field_name];

    for (var i=0; i<radio.length; i++) {
      if (radio[i].checked == true) {
        isChecked = true;
        break;
      }
    }

    if (isChecked == false) {
      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 emailCheck(field_name) {

var emailPat=/^(.+)@(.+)$/
    var field_value = form.elements[field_name].value;

var matchArray=field_value.match(emailPat)
if (matchArray==null) {
  /* Too many/few @'s or something; basically, this address doesn't
     even fit the general mould of a valid e-mail address. */

error_message = error_message + "* " + "Email address seems incorrect (check @ and .'s)" + "\n";
      error = true;
//	alert("Email address seems incorrect (check @ and .'s)")
//	return false
}



// If we've gotten this far, everything's valid!
//return 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) {
  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_radio("vehicle", "Please select a Type of Vehicle.");
  check_radio("transmission", "Please select a Transmission.");
  check_radio("license", "Please select I hold a current driver's license.(Yes/No)");
  check_input("First_Name", 2, "Your First Name must contain a minimum of 2 characters.");
  check_input("Family_Name", 2, "Your Family Name must contain a minimum of 2 characters.");
  check_input("Address_Street", 2, "Your Address Street must contain a minimum of 2 characters.");
  emailCheck("Email");
  check_input("City", 2, "Your City must contain a minimum of 2 characters.");
  check_input("Country", 2, "Your Country must contain a minimum of 2 characters.");
  check_input("Phone", 2, "Your Phone must contain a minimum of 10 characters.");
  check_input("Fax", 2, "Your Fax must contain a minimum of 2 characters.");
  check_input("children", 1, "How many Children under 6 travelling with you?");
  check_input("Arrival_Date1", 2, "Your Date of Arrival must contain a minimum of 6 characters.");
  check_input("Arrival_Time1", 2, "Your Time of Arrival must contain a minimum of 6 characters.");
  check_input("Arrival_Date2", 2, "Your Date of Departure must contain a minimum of 6 characters.");
  check_input("Arrival_Time2", 2, "Your Time of Departure must contain a minimum of 6 characters.");
  


   if (error == true) {
    alert(error_message);
    return false;
  } else {
    submitted = true;
    return true;
  }
}