function toggle(elem)
{
  var div_show = document.getElementById('ppic');
  var div_hide = document.getElementById('ptxt');

  var LPic = document.getElementById ('pic');
  var LTxt = document.getElementById ('txt');
  
  var DPic = document.getElementById ('ppic');
  var DTxt = document.getElementById ('ptxt');
  
  if (elem==LPic)
  {
    LPic.href = "";
    LPic.className = "inlink";
    LTxt.className = "link";
    DPic.style.display = "block";
    DTxt.style.display = "none";
  }
  else
  {
    LTxt.href = "";
    LPic.className = "link";
    LTxt.className = "inlink";
    DPic.style.display = "none";
    DTxt.style.display = "block";
  }
}