php - How to upload multiple pdf file to Magento Manufacturer -

i upload multiple pdf manufacturer how can in magento? able upload logo of manufacturer plugin, can't add multiple pdf files manufacture. can guide me code or plugin

i have customize plugin need

i have add code in plugin form.php file

$connection = mage::getsingleton('core/resource')->getconnection('core_read');              $select = $connection->select()                 ->from('manufacturer_pdf', array('*')) // select * tablename or use array('id','title') selected values                 ->where('menufecturer_name=?',mage::registry('manufacturer_data')->getdata('menufecturer_name'))               // id =1                 ->group('pdfname');               // group title              $_session['adminmanufacuterquery']=$rowsarray = $connection->fetchall($select); // return rows             $rowarray =$connection->fetchrow($select);   //return row             $i=1;             foreach($rowsarray $key=>$pdf){                               $_session['admindbmanufacuter']="yes";                 $name=$pdf['pdfname'];                  $fieldset->addfield('pdfnameload'.$key, 'hidden', array(                                                'required'  => false,                         'name'      => 'hidden',                                                 'after_element_html' => '<span id="pdfrow'.$key.'" class="hint"><a href="'.mage::getbaseurl('media')."manufacturer/".$name.'">'.$name.'</a>&nbsp;&nbsp;&nbsp;<span><input type="hidden" name="oldpdf'.$key.'" value="'.$pdf['manufacturer_id'].'" /></span><span style="cursor: pointer;" onclick="test('.$key.');">delete</span></span>'                     ));                     $_session['mycustomefield']=$i;$i++;             } 

for save in database

if(isset($_files['pdfname']['name']) && $_files['pdfname']['name'] != '') {                                          foreach($_files['pdfname']['name'] $key=>$pdf){                                                       if(isset($pdf) && $pdf != '') {                                 $pdfname=explode(".", $pdf);                                  if($pdfname[1]=='pdf'){                                      $connectionwrite = mage::getsingleton('core/resource')->getconnection('core_write');                                     $pdf= str_replace(" ","_",$pdf);                                     $newdata['pdfname']= time().'_'.$pdf;                                     $newdata['menufecturer_name']=$data['menufecturer_name'];                                                            $connectionwrite->insert('manufacturer_pdf', $newdata);                                       $path = mage::getbasedir('media') . ds ."manufacturer".ds;                                      move_uploaded_file($_files['pdfname']['tmp_name'][$key],$path.$newdata['pdfname']);                                      $connectionwrite->commit();                                 }else{                                     mage::getsingleton('adminhtml/session')->adderror("upload pdf files only");                                     mage::getsingleton('adminhtml/session')->setformdata($data);                                     $this->_redirect('*/*/edit', array('id' => $this->getrequest()->getparam('id')));                                     return;                                 }                                }                         }                        }