Качаю файл, а он в результате пустой, хотя на локале у меня все работает

$file_name='us_ban/ban'.$fo.'.gif';
foreach ($_FILES as $key=>$value){
  if (!$value[error] && file_exists($value[tmp_name])) {
  $maxsize=14000;
$size=filesize($value[tmp_name]);
if ($size > $maxsize) {
errfile();}else{
move_uploaded_file($value[tmp_name], $file_name);
$stroka1='insert into addforum values('$log','$name','$title','$data','$fo');';
        $result1=mysql_query($stroka1);
$stroka2='insert into ban values('$log','$url','$file_name','$fo');';
        $result2=mysql_query($stroka2);
 header('location:besedka.php');
  }
  }else{$stroka1='insert into addforum values('$log','$name','$title','$data','$fo');';
        $result1=mysql_query($stroka1);
$stroka2='insert into ban values('$log','$url','$file_name','$fo');';
        $result2=mysql_query($stroka2);
 header('location:besedka.php');}
  }

<form name='form1' method='post' action='addf.php' enctype='multipart/form-data'>
                <div align='left'>
                  <p> <span class='t_12_def'>
                    <input type='text' name='log'>
                    Login* </span></p>
                  <p> <span class='t_12_def'>
                    <input type='password' name='pass'>
                    Password *</span></p>
                  <p> <span class='t_12_def'>
                    <input type='text' name='name'>
                    ???????? ?????? ?????? *</span></p>
                  <p> <span class='t_12_def'>
                    <input type='text' name='title' size='50'>
                    ??????? ???????? * ( ?? ?????? 150 ???????? )</span></p>
                  <p class='t_12_def' align='left'><span class='t_12_def'><b>??? 
                    ????????? ?????? ?????? ?? ??????? ???????? ?????? ??????</b>

                    

                    <font color='#0000FF'>(???????????? ?????? ?????? 14Kb , 468 
                    ? 60)</font>

                    <input type='file' name='file' size='45'>
                    ??????? ???????????? ?? ????? ??????????</span></p>
                  <p> <span class='t_12_def'>
                    <input type='text' name='url'>
                    ??????? url ??????</span></p>
                  <p class='t_12_def'><span class='t_12_def'><font color='#0000FF'>? 
                    ???????? ? ????????? ?????????? ???? ? ???? ??????? ???? ?????</font><font color='#0066FF'> 
                    <input type='submit' name='Submit' value='ok'>
                    </font></span></p>
                  <p> </p>
                </div>
              </form>