function wrsend(name,lang)
{
  var err=0
  var wrf=document.forms[name]
  if(wrf.Instrument.value=='')err++
  if(wrf.InstrumentNr.value=='')err++
  if(wrf.Name.value=='')err++
  if(wrf.Strasse.value=='')err++
  if(wrf.PLZ_Ort.value=='')err++
  if(wrf.Land.value=='')err++
  if(wrf.EMail.value=='')err++
  if(wrf.Kaufdatum.value=='')err++

  if(err>0)
  {
    if(lang=='en')
      alert('Please fill out the form completely!')
    else
      alert('Bitte füllen Sie das Formular vollständig aus!')
    return false
  }else
    wrf.submit() 
}