// JavaScript Document
function reload_init() {
 if ( document.getElementById('refresh_image_2')) {
  document.getElementById('refresh_image_2').onclick = reload_image;
  document.getElementById('refresh_image_2').style.display = '';
  if (document.getElementById('refresh_image_1')) {
   document.getElementById('refresh_image_1').onclick = reload_image;
  }
 }
}
function reload_image() {
 if (!ds) {ds=1;}
 var hsh=new Date();
 document.getElementById('refresh_image_1').src = 'http://www.dw-formmailer.de/image.php?ds=' + ds + '&z='+ hsh;
}
function VerifyEmailAddress(EmailAddress) {
 if (window.RegExp) {
  var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
  var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,4})(\\]?)$";
  var reg1 = new RegExp(reg1str);
  var reg2 = new RegExp(reg2str);
  if (!reg1.test(EmailAddress) && reg2.test(EmailAddress)) {
   return true
  }else {
   return false
  }
 }else {
  if (EmailAddress.indexOf("@") >= 0) {
   return true
  }else {
   return false
  }
 }
}
function rest(a,b,c,d) {
 var keyCode = d.keyCode ? d.keyCode : d.which ? d.which : d.charCode;
 if (keyCode == 38 || keyCode == 40)
  return;
 r = (b - a.value.length);
 if (r < 0)
  r = 0;
 if ( (e = document.getElementById(c)) != null)
  e.innerHTML = r;
 if (a.value.length > b) {
  a.value = a.value.substr(0,b);
 }
}
function check_form(f) {
 var chk=false;
 for (var i=0;i<f.elements['absender_anrede'].length;i++) {
  if (f.elements['absender_anrede'][i].checked == true)
   chk=true;
 }
 if (!chk) {
  alert("Bitte alle Pflichtfelder ausfüllen! \n(Anrede)");
  return false;
 }
 if (f.elements['absender_name'].value == '') {
  alert("Bitte alle Pflichtfelder ausfüllen! \n(Nachname)");
  f.elements['absender_name'].focus();
  return false;
 }
 if (f.elements['absender_mail'].value=='') {
  alert("Bitte alle Pflichtfelder ausfüllen! \n(E-Mail)");
  f.elements['absender_mail'].focus();
  return false;
 }else {
  if (!VerifyEmailAddress(f.elements['absender_mail'].value)) {
   alert("Bitte geben Sie eine gültige E-Mail Adresse ein!");
   f.elements['absender_mail'].focus();
   return false;
  }
 }
 if (f.elements['absender_text'].value == '') {
  alert("Bitte alle Pflichtfelder ausfüllen! \n(Kommentar)");
  f.elements['absender_text'].focus();
  return false;
 }
 if (f.elements['captcha_code_number'].value == '') {
  alert("Bitte alle Pflichtfelder ausfüllen! \n(Sicherheitscode eingeben!)");
  f.elements['captcha_code_number'].focus();
  return false;
 }
 if (navigator.appName=="Microsoft Internet Explorer") {
  for (i=0;i<f.length;i++) {
   var e=f.elements[i];
   if (e.type == 'submit' || e.type == 'reset')
    e.disabled=true;
  }
 }
 return true;
}