foreach ($threads as $key => $val) {
                $tree = explode('.', $key);
                if ($tree[1] == 'num')
                {
                        if ($val != "0")
                        {
                                $header[$num]['mod_open'] = "";
                                $header[$num]['mod_close'] = "";
                                $header[$num]['flag'] = "";
                                if ( $head_info->Unseen == "U" OR $head_info->Recent == "R" )
                                {
                                        $header[$num]['mod_open'] = "<b>";
                                        $header[$num]['mod_close'] = "</b>";
                                        $header[$num]['flag'] = "N";
                                }
                                elseif ( $head_info->Deleted == "D" )
                                {
                                        $header[$num]['mod_open'] = "<strike>";
                                        $header[$num]['mod_close'] = "</strike>";
                                        $header[$num]['flag'] = "D";
                                }
                                $head_info = $imp->headerinfo($val);
                                $header[$num]['from'] = conv_charset($head_info->fromaddress, $config['site_encoding']);
                                $header[$num]['subject'] = conv_charset($head_info->subject, $config['site_encoding']);
                                $header[$num]['thread'] = $thread[$val];
                                $header[$num]['udate'] = $head_info->udate;
                                $header[$num]['datetime'] = date("d/m/Y H:i:s", $head_info->udate);
                                $header[$num]['size'] = $head_info->Size/1024;
                                $header[$num]['msgid'] = $val;
                                $num++;
                        }
                }
        }