function collapseDescription()
{
  if (!document.getElementById('description_more_button')) // if more button is not present
  {
    document.getElementById('details_description').className = 'description description_complete';
    return;
  }
  var myElement=document.getElementById('details_description');
  if (true || myElement.offsetHeight > 90)
  {
    myElement.className = 'description description_collapsed';
    document.getElementById('description_more_button').className = 'moreorless description_button description_button_show';
    document.getElementById('description_less_button').className = 'moreorless description_button';
  }
  else
  {
    myElement.className = 'description description_complete';
  }
}

function showDescription()
{
  document.getElementById('details_description').className = 'description description_complete';
  document.getElementById('description_more_button').className = 'moreorless description_button';
  document.getElementById('description_less_button').className = 'moreorless description_button description_button_show';
}