function isFormEmpty()
{
  var formliste = new Array('firma','name', 'vorname', 'land', 'stadt', 'telefon', 'email', 'plz');
  var empty = false;

  for(var i=0;i<formliste.length;i++)
  {
    if(document.getElementById(formliste[i]).value == "")
    {
      empty = true;
    }
  }

  if(empty == true)
  {
    alert("Bitte alle Felder ausfüllen!");
  }

  return empty;
}

function download_open()
{
 auswahl.style.visibility = 'visible';
 eingabe.style.visibility = 'hidden';
 temp.style.visibility = 'hidden';

 temp.innerHTML = eingabe.innerHTML;
 eingabe.innerHTML = '';

 anfrage.firma.value = getCookie("firma");
 anfrage.name.value = getCookie("name");
 anfrage.vorname.value = getCookie("vorname");
 anfrage.plz.value = getCookie("plz");
 anfrage.stadt.value = getCookie("stadt");
 anfrage.land.value = getCookie("land");
 anfrage.telefon.value = getCookie("telefon");
 anfrage.email.value = getCookie("email");
}

function download_secure(link)
{
   if (anfrage.email.value.length == 0)
   {
     eingabe.innerHTML = temp.innerHTML;
     temp.innerHTML = auswahl.innerHTML;
     auswahl.innerHTML = '';

     auswahl.style.visibility = 'hidden';
     eingabe.style.visibility = 'visible';
     document.forms["anfrage"].action="get.asp?name=" + link.href; 
   } else {
     document.forms["anfrage"].action="get.asp?name=" + link.href; 
     document.forms["anfrage"].submit(); 
   }
   return false;
}

function download_schreiben()
{
 setCookie("firma", anfrage.firma.value, null);
 setCookie("name", anfrage.name.value, null);
 setCookie("vorname", anfrage.vorname.value, null);
 setCookie("plz", anfrage.plz.value, null);
 setCookie("stadt", anfrage.stadt.value, null);
 setCookie("land", anfrage.land.value, null);
 setCookie("telefon", anfrage.telefon.value, null);
 setCookie("email", anfrage.email.value, null);

 if (isFormEmpty() == false)
 {
   document.forms["anfrage"].submit(); 
   auswahl.style.visibility = 'visible';
   eingabe.style.visibility = 'hidden';

   auswahl.innerHTML = temp.innerHTML;
   temp.innerHTML = eingabe.innerHTML;
   eingabe.innerHTML = '';
 }
}

function setCookie(name, wert, domain, expires, path, secure){
   var a = new Date();
   var cook = name+"="+unescape(wert)
   a = new Date(a.getTime() + (1000 * 3600 * 24 * 365));
   expires = a.toGMTString();
   cook += (domain) ? "; domain="+ domain : ""
   cook += (expires) ? "; expires="+expires : ""
   cook += (path) ? "; path="+path : ""
   cook += (secure) ? "; secure" : ""
   document.cookie = cook
}

function getCookie(name){
   var i=0
   var suche = name+"="
   while (i<document.cookie.length){
      if (document.cookie.substring(i, i+suche.length)==suche){
         var ende = document.cookie.indexOf(";", i+suche.length)
         ende = (ende>-1) ? ende : document.cookie.length
         var cook = document.cookie.substring(i+suche.length, ende)
         return unescape(cook)
      }
      i++
   }
   return ""
}