function VisNon(ide){
  st = document.getElementById(ide).style;
  if (st.display == 'none') {
  	document.getElementById('h'+ide).className = 'open'; 
  	st.display = 'block';
  } else {
  	document.getElementById('h'+ide).className = 'close'; 
	st.display = 'none';
  }
 }