// JavaScript Document

function valkontakt() {
  var errors='';
  validity = true; // assume valid
  if (!check_empty(document.kontaktformular.kname.value))
        { validity = false; errors+='Bitte geben Sie Ihren Namen ein.\n'; }
  if (!check_email(document.kontaktformular.kmail.value))
        { validity = false; errors+='Die eingegebene E-Mail-Adresse ist ungültig.\n'; }
  if (!check_empty(document.kontaktformular.knachricht.value))
        { validity = false; errors+='Bitte füllen Sie das Nachrichtenfeld aus.\n'; }
		
  if (!validity) alert('Ihre Eingabe ist nicht korrekt.\n'+errors);
  return validity;
}

function valcontact() {
  var errors='';
  validity = true; // assume valid
  if (!check_empty(document.kontaktformular.kname.value))
        { validity = false; errors+='Please enter your name.\n'; }
  //if (!check_empty(document.kontaktformular.kfirma.value))
  //      { validity = false; errors+='Please enter the company name.\n'; }
  if (!check_email(document.kontaktformular.kmail.value))
        { validity = false; errors+='The e-mail address is not valid.\n'; }
  if (!check_empty(document.kontaktformular.knachricht.value))
        { validity = false; errors+='Please enter your message.\n'; }
		
  if (!validity) alert('Your input is not correct.\n'+errors);
  return validity;
}

function valcontacto() {
  var errors='';
  validity = true; // assume valid
  if (!check_empty(document.kontaktformular.kname.value))
        { validity = false; errors+='* Nombre.\n'; }
  //if (!check_empty(document.kontaktformular.kfirma.value))
  //      { validity = false; errors+='* Nombre Empresa.\n'; }
  if (!check_email(document.kontaktformular.kmail.value))
        { validity = false; errors+='* Email.\n'; }
  if (!check_empty(document.kontaktformular.knachricht.value))
        { validity = false; errors+='* Mensaje.\n'; }
		
  if (!validity) alert('La información obligatoria no es completa.\n Por favor introduzca\n'+errors);
  return validity;
}

function check_empty(text) {
  return (text.length > 0); // gibt false zurück wenn leer
}

function check_email(address) {
  if ((address == "")
    || (address.indexOf ('@') == -1)
    || (address.indexOf ('.') == -1))
      return false;
  return true;
}