function toggletext(trobj, target) {
  if (document.getElementById(target)) {
    obj = document.getElementById(target);
    
    var class_name = trobj.className;
    //var test = classname.indexOf("");
    if (class_name.indexOf('togglebar') != -1) {
      // barlink
      //alert('block');
      txt_expand = '» Click here for more informations';
      txt_collapse = '« Hide additional informations';
      style_disp = 'block';
    }
    else if (class_name.indexOf('togglelink') != -1) {
      // textlink
      //alert('inline');
      txt_expand = '» read more';
      txt_collapse = '« fold up';
      style_disp = 'inline';
    }
    
    if (obj.style.display != style_disp) { 
      obj.style.display = style_disp;
      trobj.innerHTML = txt_collapse;
    }
    else {
      obj.style.display = 'none';
      trobj.innerHTML = txt_expand;
    }
  }
}