function OnSubmitForm()
{
  if(document.getElementById('lang_dropdown').value == 'de')
  {
   document.lang_form.action ="http://www.nilsmaier.com/";
  } else if(document.getElementById('lang_dropdown').value == 'net')
  {
   document.lang_form.action ="http://www.nilsmaier.com/net";
  } else if(document.getElementById('lang_dropdown').value == 'fr')
  {
   document.lang_form.action ="http://www.nilsmaier.com/fr";
  } else if(document.getElementById('lang_dropdown').value == 'es')
  {
   document.lang_form.action ="http://www.nilsmaier.com/es";
  }
  return true;
}