function changePicture(beitragID, element, numelements)
{
  for (var i=1;i<=numelements;i++)
  {
    if (element == i)
    {
      document.getElementById('picture_'+beitragID+'_'+i+'').style.display = 'block';
      document.getElementById('picture_button_'+beitragID+'_'+i+'').src = '/templates/images/picture_button_violett.jpg';
    }
    else
    {
      document.getElementById('picture_'+beitragID+'_'+i+'').style.display = 'none';
      document.getElementById('picture_button_'+beitragID+'_'+i+'').src = '/templates/images/picture_button_grau.jpg';
    }
  }
}

function slider(beitragID, Direction)
{
  if (Direction == 'down')
  {
    Effect.BlindDown('details_slider_'+beitragID, { duration: 0.5 });
    document.getElementById('slider_link_'+beitragID).innerHTML = 'Details ausblenden';
    document.getElementById('slider_link_'+beitragID).style.width = '400px';
    document.getElementById('slider_link_'+beitragID).onclick = new Function("slider('"+beitragID+"', 'up')");
    return false;
  }
  
  if (Direction == 'up')
  {
    Effect.BlindUp('details_slider_'+beitragID, { duration: 0.5 });
    document.getElementById('slider_link_'+beitragID).innerHTML = 'Details';
    document.getElementById('slider_link_'+beitragID).onclick = new Function("slider('"+beitragID+"', 'down')");
    return false;
  }
}