var validation_fields = {'/join/MemberJoin/org_photo': ['string', 'file', 0, '', [''], ''], '/join/MemberJoin/indiv_type': ['string', 'radio', 0, '', [''], ''], '/join/MemberJoin/org_state': ['string', 'select', 1, 'select_notselected', [''], 'Please choose a state.'], '/join/MemberJoin/pc_phone': ['string', 'text', 1, '', [''], 'Please enter a phone number.'], '/join/MemberJoin/pc_url': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/serve_state': ['string', 'select', 0, '', [''], ''], '/join/MemberJoin/aas_willtravel': ['string', 'checkbox', 0, '', [''], ''], '/join/MemberJoin/org_type': ['string', 'radio', 0, '', [''], ''], '/join/MemberJoin/org_name': ['string', 'text', 1, '', [''], 'Please enter an organization name.'], '/join/MemberJoin/indiv_501c': ['int', 'text', 0, '', [''], ''], '/join/MemberJoin/price': ['float', 'calculated', 0, '', [], ''], '/join/MemberJoin/org_url2': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/pc_country': ['int', 'select', 0, 'select_notselected', ['0'], 'Please choose a country.'], '/join/MemberJoin/pc_ethnicity': ['int', 'checkbox-group', 0, '', ['1'], 'Please choose at least one and no more than three ethnicities.'], '/join/MemberJoin/org_501c': ['int', 'text', 0, '', [''], ''], '/join/MemberJoin/pagename': ['string', 'calculated', 0, '', [], ''], '/join/MemberJoin/cangoback': ['int', 'calculated', 0, '', [], ''], '/join/MemberJoin/pc_poc': ['string', 'checkbox', 0, '', [''], ''], '/join/MemberJoin/org_url3': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/org_country': ['int', 'select', 0, 'select_notselected', ['0'], 'Please choose a country.'], '/join/MemberJoin/pc_dirpref': ['string', 'checkbox', 0, '', [''], ''], '/join/MemberJoin/pc_state': ['string', 'select', 1, 'select_notselected', [''], 'Please choose a state.'], '/join/MemberJoin/pc_address2': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/org_address': ['string', 'text', 1, '', [''], 'Please enter an address for the organization.'], '/join/MemberJoin/serve_metro': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/pc_postalcode': ['string', 'text', 1, '', [''], 'Please enter a postal code.'], '/join/MemberJoin/org_email': ['string', 'text', 0, '', [''], 'Please enter an organizational email address.'], '/join/MemberJoin/pc_photo': ['string', 'file', 0, '', [''], ''], '/join/MemberJoin/promo_code': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/memnum': ['int', 'calculated', 0, '', [], ''], '/join/MemberJoin/org_phone': ['string', 'text', 1, '', [''], 'Please enter a phone number for the organization.'], '/join/MemberJoin/pc_firstname': ['string', 'text', 1, '', [''], 'Please enter a first name.'], '/join/MemberJoin/pc_title': ['string', 'text', 1, '', [''], 'Please enter a value in the Title field.'], '/join/MemberJoin/serve_zip': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/org_address2': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/org_city': ['string', 'text', 1, '', [''], 'Please enter a value in the City field.'], '/join/MemberJoin/indiv_orgname': ['string', 'text', 1, '', [''], 'Please enter the name of your organization.'], '/join/MemberJoin/serve_zip3': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/serve_zip2': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/serve_metro3': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/serve_metro2': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/serve_state3': ['string', 'select', 0, '', [''], ''], '/join/MemberJoin/serve_state2': ['string', 'select', 0, '', [''], ''], '/join/MemberJoin/indiv_orgtype': ['string', 'radio', 0, '', [''], ''], '/join/MemberJoin/org_fax': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/pc_suffix': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/pc_city': ['string', 'text', 1, '', [''], 'Please enter a value in the city field.'], '/join/MemberJoin/pc_prefix': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/pc_password': ['string', 'password', '1', '', [''], 'Please enter a password.'], '/join/MemberJoin/pc_address': ['string', 'text', 1, '', [''], 'Please enter a value for the street address.'], '/join/MemberJoin/orgid': ['int', 'calculated', 0, '', [], ''], '/join/MemberJoin/pc_lastname': ['string', 'text', 1, '', [''], 'Please enter a value for your last name.'], '/join/MemberJoin/org_postalcode': ['string', 'text', 1, '', [''], 'Please enter a postal code for the organization.'], '/join/MemberJoin/contactid': ['int', 'calculated', 0, '', [], ''], '/join/MemberJoin/org_url': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/pc_username': ['string', 'text', 1, '', [''], 'Please enter a username.'], '/join/MemberJoin/org_numemployees': ['float', 'text', 1, 'numeric_range', ['0'], 'Please enter a valid number of employees greater than zero.'], '/join/MemberJoin/pc_middle': ['string', 'text', 0, '', [''], ''], '/join/MemberJoin/pc_password2': ['string', 'password', '1', '', [''], 'Please enter a value in the confirm password field.'], '/join/MemberJoin/pc_email': ['string', 'text', 1, '', [''], 'Please enter an email address.'], '/join/MemberJoin/org_budget': ['string', 'radio', 0, '', [''], ''], '/join/MemberJoin/pc_fax': ['string', 'text', 0, '', [''], '']};
var formid = 'cp3';
var f = document.getElementById(formid);

function text_blur() {
  var name = this.name.split(':')[0];
  var v = validation_fields[name];
  if (v) {
    text_normalize(v, this);
  }
}

function text_normalize(v, elem) {
    if (/^\s*$/.test(elem.value)) { // its balnk
      if (v[2]) return false;
      else return true;
    }
    switch (v[0]) {
    case 'int':
      var ival = elem.value.replace(',', '');
      var i = parseInt(ival);
      if (!isNaN(i)) {
        elem.value = i.toString();
        return true;
      }
      break;
    case 'float':
      var fval = elem.value.replace(',', '');
      var f = parseFloat(fval);
      if (!isNaN(f)) {
        elem.value = f.toString();
        return true;
      }
      break;
    case 'date':
      var date = new Date(elem.value);
      if (!isNaN(date.getFullYear())) {
        elem.value = date.toGMTString().substr(5,11);
        return true;
      }
      break;
    case 'string':
      return true;
    }
    return false;
}

for (var i=0; i < f.elements.length; i++) {
  var e = f.elements[i];
  if (!e['name']) continue;
  var name = e.name.split(':')[0];
  var v = validation_fields[name];
  if (v && (v[1] == 'text' || v[1] == 'textarea')){ 
    var check_with = 'optional_check';
    e.onblur = text_blur;
  }
}

function validate(form) {
  var elements = form.elements;
  var errors = new Array();
  var counts = {};
  for (var i=0; i < elements.length; i++) {
    var e = elements[i];
    if (!e['name']) continue;
    var name = e.name.split(':')[0];
    var v = validation_fields[name];
    if (v) {
      var args = v[4];
      var error_msg = v[5];
      if (v[1] == 'checkbox-group') {
        var cnt = 0;
        if (counts[name]) cnt = counts[name];
        if (e.checked)cnt = cnt + 1;
        counts[name] = cnt;
      } else if ((v[1] == 'text' || v[1] == 'textarea') && !text_normalize(v, e)) {
        errors = errors.concat(error_msg);
        continue;
      }
      switch (v[3]) {   // validation method
      case 'regex':
        var regex = new RegExp(args[0]);
        if (!regex.test(e.value)) {
          errors = errors.concat(error_msg);
        }
        break;
      case 'valid_email': // poor man's email.
        if (!/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(e.value)) {
          errors = errors.concat(error_msg);
        }
        break;
      case 'numeric_range':
        var num = parseFloat(e.value);
        var bottom = parseFloat(args[0]);
        var top = parseFloat(args[1]);
        if ((num < bottom) || (num > top)) { 
          errors = errors.concat(error_msg);
        }
        break;
      case 'select_notselected':
        var ind = parseInt(args[0]);
        if (isNaN(ind)) ind = 0;
        if (e.selectedIndex == ind)
          errors = errors.concat(error_msg);
        break;
      }
    }
  }

  for (f in validation_fields) {
    var args = validation_fields[f][4];
    var error_msg = validation_fields[f][5];
    if (validation_fields[f][3] == 'checkbox_count') {
      var min = parseInt(args[0]);
      if (counts[f] < min) {
        errors = errors.concat(error_msg);
        break;
      }
      if (args[1] && counts[f] > parseInt(args[1])) {
        errors = errors.concat(error_msg);
      } // this is slightly redundant but more readable.
    } else if ((validation_fields[f][1] == 'checkbox-group') &&
               (validation_fields[f][2])) {
        if (!counts[f]) { // required and there are zero checked
          errors = errors.concat(error_msg);
        }
    }

  }

  if (errors.length > 0) {
    alert(errors.join("\n"));
    return false;
  } else {
    return true;
  }
}