function toggle(id) {
  var tgt=document.getElementById(id);
  if (tgt) {
    tgt.style.display=(tgt.style.display=="block")?"none":"block";
  }
}

function closediv(id) {
  var tgt=document.getElementById(id);
  if (tgt) {
    tgt.style.display="none";
  }	
}