function auto_more($posts) {

if (is_admin() || is_single() || is_page() || is_feed()) return $posts;

$offset = 256;

$breakpoints = array ("<p" => 0, "</p>" => 4, "<br" => 0, "\x0D\x0A\x0D\x0A" => 0, "\x0A\x0A" => 0,
      "<table" => 0, "</table" => 8, "<ul" => 0, "</ul>" => 5, "<h" => 0 , "</h" => 5 );

for ($i=0;$i<count($posts);$i++) {
    if ($posts[$i]->post_excerpt) {
        $posts[$i]->post_content = $posts[$i]->post_excerpt."\n<!--more-->";
    }
    elseif ((strpos($posts[$i]->post_content, '<!--more') === false)
     and (strpos($posts[$i]->post_content, '<!--nomore') === false))  {

          $p = mb_strlen($posts[$i]->post_content,"UTF-8");
          if ($p > $offset) {
              foreach ($breakpoints as $brp => $o2) {
                if ($p1 = mb_strpos(mb_strtolower($posts[$i]->post_content,"UTF-8"),$brp,$offset,"UTF-8")) {
                    if ($p > $p1 + $o2) $p = $p1 + $o2;
                }
            }
            if ($p < mb_strlen($posts[$i]->post_content,"UTF-8")) {
                $posts[$i]->post_content = force_balance_tags(mb_substr($posts[$i]->post_content,0,$p,"UTF-8"))."\n<!--more-->";
                }
         }    
         }
  }
  return $posts;
}

add_filter('the_posts', 'auto_more', 1);?>

function ru2Lat($string)
{
$rus = array('ё','ж','ц','ч','ш','щ','ю','я','Ё','Ж','Ц','Ч','Ш','Щ','Ю','Я',' ';
$lat = array('yo','zh','tc','ch','sh','sh','yu','ya','YO','ZH','TC','CH','SH','SH','YU','YA','-');
$string = str_replace($rus,$lat,$string);
$string = strtr($string,
   "АБВГДЕЗИЙКЛМНОПРСТУФХЪЫЬЭабвгдезийклмн
опрстуфхъыьэ",
   "ABVGDEZIJKLMNOPRSTUFH_I_Eabvgdezijklmnoprstufh_i_e");

return($string);
}