function forget_mr(type){
v++;
id_document="log";
request.open('POST', 'forget.php',true);
request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); 
request.onreadystatechange = parseInfo; 
if(type == 1){
  request.send(null);
}else{
  mr_1=document.getElementById('mail_f').value;
  request.send('mail_f=' + mr_1);
}}