// JScript-Datei
function changeClosedArea(id)
{
 var area_change_pic = document.getElementById(id+"_picture");
 var area = document.getElementById(id+"_content");
  if(area.style.display == "none")
  {
   area.style.display = "inline";
   area_change_pic.src = "images/icons/icon_minus.gif";
  }
  else
  {
   area.style.display = "none";
   area_change_pic.src = "images/icons/icon_plus.gif";
  }
}

function changeBackGroundImage(id, newImage, newClass)
{
 var area = document.getElementById(id);
 area.style.backgroundImage = "url('"+newImage+"')";
 area.className = newClass;
}