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_radio("gender", "Please select your Gender.");

  check_input("firstname", 2, "Your First Name must contain a minimum of 2 characters.");
  check_input("lastname", 2, "Your Last Name must contain a minimum of 2 characters.");

  check_input("dob", 10, "Your Date of Birth must be in this format: MM/DD/YYYY (eg 05/21/1970)");

  check_input("email_address", 6, "Your E-Mail Address must contain a minimum of 6 characters.");
  check_input("street_address", 5, "Your Street Address must contain a minimum of 5 characters.");
  check_input("postcode", 4, "Your Post Code must contain a minimum of 4 characters.");
  check_input("city", 3, "Your City must contain a minimum of 3 characters.");

  check_input("state", 2, "Your State must contain a minimum of 2 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_password("password", "confirmation", 5, "Your Password must contain a minimum of 5 characters.", "The Password Confirmation must match your Password.");
  check_password_new("password_current", "password_new", "password_confirmation", 5, "Your Password must contain a minimum of 5 characters.", "Your new Password must contain a minimum of 5 characters.", "The Password Confirmation must match your new Password.");

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

function popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=450,height=450,screenX=150,screenY=150,top=150,left=150')
}
function check_form() {
  var error_message = "Errors have occured during the process of your form.\n\nPlease make the following corrections:\n\n";
  var error_found = false;
  var error_field;
  var keywords = document.advanced_search.keywords.value;
  var dfrom = document.advanced_search.dfrom.value;
  var dto = document.advanced_search.dto.value;
  var pfrom = document.advanced_search.pfrom.value;
  var pto = document.advanced_search.pto.value;
  var pfrom_float;
  var pto_float;

  if ( ((keywords == '') || (keywords.length < 1)) && ((dfrom == '') || (dfrom == 'mm/dd/yyyy') || (dfrom.length < 1)) && ((dto == '') || (dto == 'mm/dd/yyyy') || (dto.length < 1)) && ((pfrom == '') || (pfrom.length < 1)) && ((pto == '') || (pto.length < 1)) ) {
    error_message = error_message + "* At least one of the fields in the search form must be entered.\n";
    error_field = document.advanced_search.keywords;
    error_found = true;
  }

  if ((dfrom.length > 0) && (dfrom != 'mm/dd/yyyy')) {
    if (!IsValidDate(dfrom, 'mm/dd/yyyy')) {
      error_message = error_message + "* Invalid From Date.\n";
      error_field = document.advanced_search.dfrom;
      error_found = true;
    }
  }

  if ((dto.length > 0) && (dto != 'mm/dd/yyyy')) {
    if (!IsValidDate(dto, 'mm/dd/yyyy')) {
      error_message = error_message + "* Invalid To Date.\n";
      error_field = document.advanced_search.dto;
      error_found = true;
    }
  }

  if ((dfrom.length > 0) && (dfrom != 'mm/dd/yyyy') && (IsValidDate(dfrom, 'mm/dd/yyyy')) && (dto.length > 0) && (dto != 'mm/dd/yyyy') && (IsValidDate(dto, 'mm/dd/yyyy'))) {
    if (!CheckDateRange(document.advanced_search.dfrom, document.advanced_search.dto)) {
      error_message = error_message + "* To Date must be greater than or equal to From Date.\n";
      error_field = document.advanced_search.dto;
      error_found = true;
    }
  }

  if (pfrom.length > 0) {
    pfrom_float = parseFloat(pfrom);
    if (isNaN(pfrom_float)) {
      error_message = error_message + "* Price From must be a number.\n";
      error_field = document.advanced_search.pfrom;
      error_found = true;
    }
  } else {
    pfrom_float = 0;
  }

  if (pto.length > 0) {
    pto_float = parseFloat(pto);
    if (isNaN(pto_float)) {
      error_message = error_message + "* Price To must be a number.\n";
      error_field = document.advanced_search.pto;
      error_found = true;
    }
  } else {
    pto_float = 0;
  }

  if ( (pfrom.length > 0) && (pto.length > 0) ) {
    if ( (!isNaN(pfrom_float)) && (!isNaN(pto_float)) && (pto_float < pfrom_float) ) {
      error_message = error_message + "* Price To must be greater than or equal to Price From.\n";
      error_field = document.advanced_search.pto;
      error_found = true;
    }
  }

  if (error_found == true) {
    alert(error_message);
    error_field.focus();
    return false;
  } else {
    RemoveFormatString(document.advanced_search.dfrom, "mm/dd/yyyy");
    RemoveFormatString(document.advanced_search.dto, "mm/dd/yyyy");
    return true;
  }
}

function checkCountry(){
	country = document.getElementById('country');
	if (country.value == 'US'){
		document.getElementById('dom_state').style.display='block';
		document.getElementById('intl_state').style.display='none';
	}else{
		document.getElementById('dom_state').style.display='none';
		document.getElementById('intl_state').style.display='block';
	}
	
}