function clear_email() {
  var a=document.getElementById("to_name_visible");
  var b=document.getElementById("to_name");
  b.value = a.value;
  a.value = "";
  
  var a=document.getElementById("to_email_visible");
  var b=document.getElementById("to_email");
  b.value = a.value;
  a.value = "";
  
  var a=document.getElementById("from_name_visible");
  var b=document.getElementById("from_name");
  b.value = a.value;
  a.value = "";
  
  var a=document.getElementById("from_email_visible");
  var b=document.getElementById("from_email");
  b.value = a.value;
  a.value = "";
  
  var a=document.getElementById("comments_visible");
  var b=document.getElementById("comments");
  b.value = a.value;
  a.value = "";

  var e=document.getElementById("emailForm");
  if(e) e.style.display="none";
}

function close_email() {

  var e=document.getElementById("to_name_visible");
  if(e) e.value = "";
  
  var e=document.getElementById("to_email_visible");
  if(e) e.value = "";
  
  var e=document.getElementById("from_name_visible");
  if(e) e.value = "";
  
  var e=document.getElementById("from_email_visible");
  if(e) e.value = "";
  
  var e=document.getElementById("comments_visible");
  if(e) e.value = "";

  var e=document.getElementById("emailForm");
  if(e) e.style.display="none";
  
  return true
}

function show_email(id, name) {
 var e=document.getElementById("emailForm");
 var a=document.getElementById("article_id");
 //var b=document.getElementById("article_name");
 
 if(!e) return true;
 
 if(e.style.display=="block" && a.value==id){
   e.style.display="none";
 } else {
   e.style.display="block";
   a.value=id;
   //b.innerHTML=name;
 }
 return true; 
}