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 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_input("email", 6, "Your E-Mail Address must contain a minimum of 6 characters.");
	check_input("model", 1, "Your have not selected a model. ");
  check_input("t2", 1, "Check serial number digit 1.");
  check_input("t3", 1, "Check serial number digit 2.");
  check_input("t4", 1, "Check serial number digit 2.");
	check_input("t5", 1, "Check serial number digit 4.");
	check_input("t6", 1, "Check serial number digit 5.");
	check_input("t7", 1, "Check serial number digit 6.");
	check_input("t8", 1, "Check serial number digit 7.");
  check_input("t9", 1, "Check serial number digit 8.");
  check_input("t10", 1, "Check serial number digit 9.");
	check_input("t11", 1, "Check serial number digit 10.");
	check_input("t12", 1, "Check serial number digit 11.");
	check_input("t13", 1, "Check serial number digit 12.");
	check_input("t14", 1, "Check serial number digit 13.");
  check_input("m2", 1, "Check part number digit 1.");
  check_input("m3", 1, "Check part number digit 2.");
  check_input("m4", 1, "Check part number digit 3.");
	check_input("m5", 1, "Check part number digit 4 .");
	check_input("m6", 1, "Check part number digit 5.");
	check_input("m7", 1, "Check part number digit  6.");
	check_input("m8", 1, "Check part number digit  7.");
  check_input("m9", 1, "Check part number digit  8.");
  check_input("m10", 1, "Check part number digit  9.");
check_input("t11", 1, "Check part number digit 10.");
 
 
 
  if (error == true) {
    alert(error_message);
    return false;
  } else {
    submitted = true;
    return true;
  }
}