/*
 *  Überprüft die Email
 */
function checkEmailStr(s)
{
  var a = false;
  var res = false;
  if(typeof(RegExp) == 'function')
  {
   var b = new RegExp('abc');
   if(b.test('abc') == true)
     a = true;
  }

  if(a == true)
  {
   reg = new RegExp('^([a-zA-Z0-9\\-\\.\\_]+)'+'(\\@)([a-zA-Z0-9\\-\\.]+)'+'(\\.)([a-zA-Z]{2,4})$');
   res = (reg.test(s));
  }
  else
   res = (s.search('@') >= 1 && s.lastIndexOf('.') > s.search('@') && s.lastIndexOf('.') >= s.length-5)

  return(res);
}



/*
 *  Checkt vorm absenden das Formular der SUCHE
 */
function check_Search_Form()
{
  var search_field = window.document.getElementsByName('_ie_search_name_field')[0];
  if(search_field == null)
  {
     window.alert("JavaScript Fehler check_Search_Form");
     return false;
  }

  if (search_field.value == "")
  {
    search_field.style.backgroundColor = '#828282';
    return false;
  }
  else
    return true;
}

/*
 *  Checkt vorm absenden das Formular des NEWSLETTERS
 */
function check_Newsletter_Form()
{
  var name_field = window.document.getElementsByName('_ie_newsletter_name_field')[0];
  if(name_field == null)
  {
     window.alert("JavaScript Fehler check_Newsletter_Form");
     return false;
  }
  var email_field = window.document.getElementsByName('_ie_newsletter_email_field')[0];
  if(email_field == null)
  {
     window.alert("JavaScript Fehler check_Newsletter_Form");
     return false;
  }

  var email_checker = true;
  if (email_field.value != "")
    email_checker = checkEmailStr(email_field.value);

  if (email_checker == false)
  {
    email_field.style.backgroundColor = '#828282';
    alert('Please check your email');
    return false;
  }

  if (name_field.value == "")
  {
    name_field.style.backgroundColor = '#828282';
    return false;
  }
  else if (email_field.value == "")
  {
    email_field.style.backgroundColor = '#828282';
    return false;
  }
  else
    return true;
}