function toggleMe(a){
  var e=document.getElementById(a);
  if(!e)return true;
  if(e.style.display=="none"){
    e.style.display="block";
    wechsel("./pics/ArrowUp2.gif","Toggle" + a);
  } else {
    e.style.display="none";
    wechsel("./pics/ArrowDown2.gif","Toggle" + a);
  }
  return true;
}

function toggleMeWithout(a){
  var e=document.getElementById(a);
  if(!e)return true;
  if(e.style.display=="none"){
    e.style.display="block";
    
  } else {
    e.style.display="none";
    
  }
  return true;
}

function var_dump(obj) {
   if(typeof obj == "object") {
      return "Type: "+typeof(obj)+((obj.constructor) ? "\nConstructor: "+obj.constructor : "")+"\nValue: " + obj;
   } else {
      return "Type: "+typeof(obj)+"\nValue: "+obj;
   }
}//end function var_dump

function wechsel(url,bildname) {
 window.document.images[bildname].src = url;
 }