function setMemberDescVisibility(name,value) {
   layer = document.getElementById(name);
   layer.style.visibility=value;
   if (value=='hidden') {
      layer_width = '0px';
      layer_height = '0px';
      }
   else {
      layer_width = '400px';
      layer_height = '200px';
   }
   layer.style.width= layer_width;
   layer.style.height= layer_height;

}