function fastmailSelectAll(){
  var field=document.form_fastmail_mails.mail;
  try{
    for(i=0;i<field.length;i++){
  	  field[i].checked = true;
    }
  }catch(err){}
};

function fastmailSelectNone(){
  var field=document.form_fastmail_mails.mail;
  try{
    for(i=0;i<field.length;i++){
  	  field[i].checked = false;
    }
  }catch(err){}
};

function fastmailGetSelected(){
  var field=document.form_fastmail_mails.mail;
  var selected_mails='';
  try{
    for(i=0;i<field.length;i++){
  	  if(field[i].checked==true){
        selected_mails = selected_mails + "," + field[i].value;
      }
    }
  }catch(err){}
  return selected_mails;
};