////вывод случайных файлов из загрузки////
$v = mysql _ query ("select * from ` download` where ` type `=' file';");
$c = mysql _ num_rows($v);

                    $num = rand(0, ($c - 1));
$req = mysql_query("SELECT `id`,`name`,`screen`  FROM `download` where `type` = 'file' LIMIT " . $num . ", 1;");
while ($arr = mysql_fetch_array($req)){
echo"<img src='../download/screen/".$arr['screen']."' alt='".$arr['screen']."'/>";
echo "<a href='../download/?act=down&amp;id=".$arr['id']."'>$arr[name]</a>";
}