diff --git a/upload/includes/define_php_links.php b/upload/includes/define_php_links.php
index b52440fe..1fb7ab28 100644
--- a/upload/includes/define_php_links.php
+++ b/upload/includes/define_php_links.php
@@ -14,6 +14,10 @@
  function SEO( $text, $slash=false ) {
 	
 	$text = preg_replace('/ \&\#?[(0-9a-zA-Z){4}]+\;/','',$text);
+	$text = remove_accents($text);
+
+	$text = rus2translit($text);
+	
 	$entities_match		= array('&quot;','!','@','#','%','^','&','*','_','(',')','+','{','}','|',':','"','<','>','?','[',']','\\',';','"',',','.','/','*','+','~','`','=',"'");
 	$entities_replace   = array('','','','','','','','','','','','','','','','','','','','','','','','');
 	$clean_text	 	    = str_replace($entities_match, $entities_replace, $text);
@@ -24,6 +28,7 @@
 	
 	
 	$clean_text = preg_replace('/\-{2,10}/','-',$clean_text);
+
 	
 	return $slash . $clean_text;
 }	
diff --git a/upload/includes/functions.php b/upload/includes/functions.php
index 708a9bfb..f8ecc94c 100644
--- a/upload/includes/functions.php
+++ b/upload/includes/functions.php
@@ -5104,6 +5104,17 @@
 		return $array;
 	}
 
+	/**
+	 * Get language locale
+	 *
+	 * @return String
+	 */
+	function get_locale()
+	{
+		global $lang_obj;
+		return $lang_obj->lang_iso;
+	}
+
         include( 'functions_db.php' );
         include( 'functions_filter.php' );
         include( 'functions_player.php' );
diff --git a/upload/includes/functions_filter.php b/upload/includes/functions_filter.php
index 9fd86e71..6ca3c861 100644
--- a/upload/includes/functions_filter.php
+++ b/upload/includes/functions_filter.php
@@ -65,6 +65,376 @@
 	}
         
         
-        
+    
+	/**
+	 * Converts all accent characters to ASCII characters.
+	 *
+	 * If there are no accent characters, then the string given is just returned.
+	 *
+	 * @since 1.2.1
+	 *
+	 * @param string $string Text that might have accent characters
+	 * @return string Filtered string with replaced "nice" characters.
+	 */
+	function remove_accents($string) {
+		if ( !preg_match('/[\x80-\xff]/', $string) )
+			return $string;
+
+		if (seems_utf8($string)) {
+			$chars = array(
+			// Decompositions for Latin-1 Supplement
+			chr(194).chr(170) => 'a', chr(194).chr(186) => 'o',
+			chr(195).chr(128) => 'A', chr(195).chr(129) => 'A',
+			chr(195).chr(130) => 'A', chr(195).chr(131) => 'A',
+			chr(195).chr(132) => 'A', chr(195).chr(133) => 'A',
+			chr(195).chr(134) => 'AE',chr(195).chr(135) => 'C',
+			chr(195).chr(136) => 'E', chr(195).chr(137) => 'E',
+			chr(195).chr(138) => 'E', chr(195).chr(139) => 'E',
+			chr(195).chr(140) => 'I', chr(195).chr(141) => 'I',
+			chr(195).chr(142) => 'I', chr(195).chr(143) => 'I',
+			chr(195).chr(144) => 'D', chr(195).chr(145) => 'N',
+			chr(195).chr(146) => 'O', chr(195).chr(147) => 'O',
+			chr(195).chr(148) => 'O', chr(195).chr(149) => 'O',
+			chr(195).chr(150) => 'O', chr(195).chr(153) => 'U',
+			chr(195).chr(154) => 'U', chr(195).chr(155) => 'U',
+			chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y',
+			chr(195).chr(158) => 'TH',chr(195).chr(159) => 's',
+			chr(195).chr(160) => 'a', chr(195).chr(161) => 'a',
+			chr(195).chr(162) => 'a', chr(195).chr(163) => 'a',
+			chr(195).chr(164) => 'a', chr(195).chr(165) => 'a',
+			chr(195).chr(166) => 'ae',chr(195).chr(167) => 'c',
+			chr(195).chr(168) => 'e', chr(195).chr(169) => 'e',
+			chr(195).chr(170) => 'e', chr(195).chr(171) => 'e',
+			chr(195).chr(172) => 'i', chr(195).chr(173) => 'i',
+			chr(195).chr(174) => 'i', chr(195).chr(175) => 'i',
+			chr(195).chr(176) => 'd', chr(195).chr(177) => 'n',
+			chr(195).chr(178) => 'o', chr(195).chr(179) => 'o',
+			chr(195).chr(180) => 'o', chr(195).chr(181) => 'o',
+			chr(195).chr(182) => 'o', chr(195).chr(184) => 'o',
+			chr(195).chr(185) => 'u', chr(195).chr(186) => 'u',
+			chr(195).chr(187) => 'u', chr(195).chr(188) => 'u',
+			chr(195).chr(189) => 'y', chr(195).chr(190) => 'th',
+			chr(195).chr(191) => 'y', chr(195).chr(152) => 'O',
+			// Decompositions for Latin Extended-A
+			chr(196).chr(128) => 'A', chr(196).chr(129) => 'a',
+			chr(196).chr(130) => 'A', chr(196).chr(131) => 'a',
+			chr(196).chr(132) => 'A', chr(196).chr(133) => 'a',
+			chr(196).chr(134) => 'C', chr(196).chr(135) => 'c',
+			chr(196).chr(136) => 'C', chr(196).chr(137) => 'c',
+			chr(196).chr(138) => 'C', chr(196).chr(139) => 'c',
+			chr(196).chr(140) => 'C', chr(196).chr(141) => 'c',
+			chr(196).chr(142) => 'D', chr(196).chr(143) => 'd',
+			chr(196).chr(144) => 'D', chr(196).chr(145) => 'd',
+			chr(196).chr(146) => 'E', chr(196).chr(147) => 'e',
+			chr(196).chr(148) => 'E', chr(196).chr(149) => 'e',
+			chr(196).chr(150) => 'E', chr(196).chr(151) => 'e',
+			chr(196).chr(152) => 'E', chr(196).chr(153) => 'e',
+			chr(196).chr(154) => 'E', chr(196).chr(155) => 'e',
+			chr(196).chr(156) => 'G', chr(196).chr(157) => 'g',
+			chr(196).chr(158) => 'G', chr(196).chr(159) => 'g',
+			chr(196).chr(160) => 'G', chr(196).chr(161) => 'g',
+			chr(196).chr(162) => 'G', chr(196).chr(163) => 'g',
+			chr(196).chr(164) => 'H', chr(196).chr(165) => 'h',
+			chr(196).chr(166) => 'H', chr(196).chr(167) => 'h',
+			chr(196).chr(168) => 'I', chr(196).chr(169) => 'i',
+			chr(196).chr(170) => 'I', chr(196).chr(171) => 'i',
+			chr(196).chr(172) => 'I', chr(196).chr(173) => 'i',
+			chr(196).chr(174) => 'I', chr(196).chr(175) => 'i',
+			chr(196).chr(176) => 'I', chr(196).chr(177) => 'i',
+			chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij',
+			chr(196).chr(180) => 'J', chr(196).chr(181) => 'j',
+			chr(196).chr(182) => 'K', chr(196).chr(183) => 'k',
+			chr(196).chr(184) => 'k', chr(196).chr(185) => 'L',
+			chr(196).chr(186) => 'l', chr(196).chr(187) => 'L',
+			chr(196).chr(188) => 'l', chr(196).chr(189) => 'L',
+			chr(196).chr(190) => 'l', chr(196).chr(191) => 'L',
+			chr(197).chr(128) => 'l', chr(197).chr(129) => 'L',
+			chr(197).chr(130) => 'l', chr(197).chr(131) => 'N',
+			chr(197).chr(132) => 'n', chr(197).chr(133) => 'N',
+			chr(197).chr(134) => 'n', chr(197).chr(135) => 'N',
+			chr(197).chr(136) => 'n', chr(197).chr(137) => 'N',
+			chr(197).chr(138) => 'n', chr(197).chr(139) => 'N',
+			chr(197).chr(140) => 'O', chr(197).chr(141) => 'o',
+			chr(197).chr(142) => 'O', chr(197).chr(143) => 'o',
+			chr(197).chr(144) => 'O', chr(197).chr(145) => 'o',
+			chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe',
+			chr(197).chr(148) => 'R',chr(197).chr(149) => 'r',
+			chr(197).chr(150) => 'R',chr(197).chr(151) => 'r',
+			chr(197).chr(152) => 'R',chr(197).chr(153) => 'r',
+			chr(197).chr(154) => 'S',chr(197).chr(155) => 's',
+			chr(197).chr(156) => 'S',chr(197).chr(157) => 's',
+			chr(197).chr(158) => 'S',chr(197).chr(159) => 's',
+			chr(197).chr(160) => 'S', chr(197).chr(161) => 's',
+			chr(197).chr(162) => 'T', chr(197).chr(163) => 't',
+			chr(197).chr(164) => 'T', chr(197).chr(165) => 't',
+			chr(197).chr(166) => 'T', chr(197).chr(167) => 't',
+			chr(197).chr(168) => 'U', chr(197).chr(169) => 'u',
+			chr(197).chr(170) => 'U', chr(197).chr(171) => 'u',
+			chr(197).chr(172) => 'U', chr(197).chr(173) => 'u',
+			chr(197).chr(174) => 'U', chr(197).chr(175) => 'u',
+			chr(197).chr(176) => 'U', chr(197).chr(177) => 'u',
+			chr(197).chr(178) => 'U', chr(197).chr(179) => 'u',
+			chr(197).chr(180) => 'W', chr(197).chr(181) => 'w',
+			chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y',
+			chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z',
+			chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z',
+			chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z',
+			chr(197).chr(190) => 'z', chr(197).chr(191) => 's',
+			// Decompositions for Latin Extended-B
+			chr(200).chr(152) => 'S', chr(200).chr(153) => 's',
+			chr(200).chr(154) => 'T', chr(200).chr(155) => 't',
+			// Euro Sign
+			chr(226).chr(130).chr(172) => 'E',
+			// GBP (Pound) Sign
+			chr(194).chr(163) => '',
+			// Vowels with diacritic (Vietnamese)
+			// unmarked
+			chr(198).chr(160) => 'O', chr(198).chr(161) => 'o',
+			chr(198).chr(175) => 'U', chr(198).chr(176) => 'u',
+			// grave accent
+			chr(225).chr(186).chr(166) => 'A', chr(225).chr(186).chr(167) => 'a',
+			chr(225).chr(186).chr(176) => 'A', chr(225).chr(186).chr(177) => 'a',
+			chr(225).chr(187).chr(128) => 'E', chr(225).chr(187).chr(129) => 'e',
+			chr(225).chr(187).chr(146) => 'O', chr(225).chr(187).chr(147) => 'o',
+			chr(225).chr(187).chr(156) => 'O', chr(225).chr(187).chr(157) => 'o',
+			chr(225).chr(187).chr(170) => 'U', chr(225).chr(187).chr(171) => 'u',
+			chr(225).chr(187).chr(178) => 'Y', chr(225).chr(187).chr(179) => 'y',
+			// hook
+			chr(225).chr(186).chr(162) => 'A', chr(225).chr(186).chr(163) => 'a',
+			chr(225).chr(186).chr(168) => 'A', chr(225).chr(186).chr(169) => 'a',
+			chr(225).chr(186).chr(178) => 'A', chr(225).chr(186).chr(179) => 'a',
+			chr(225).chr(186).chr(186) => 'E', chr(225).chr(186).chr(187) => 'e',
+			chr(225).chr(187).chr(130) => 'E', chr(225).chr(187).chr(131) => 'e',
+			chr(225).chr(187).chr(136) => 'I', chr(225).chr(187).chr(137) => 'i',
+			chr(225).chr(187).chr(142) => 'O', chr(225).chr(187).chr(143) => 'o',
+			chr(225).chr(187).chr(148) => 'O', chr(225).chr(187).chr(149) => 'o',
+			chr(225).chr(187).chr(158) => 'O', chr(225).chr(187).chr(159) => 'o',
+			chr(225).chr(187).chr(166) => 'U', chr(225).chr(187).chr(167) => 'u',
+			chr(225).chr(187).chr(172) => 'U', chr(225).chr(187).chr(173) => 'u',
+			chr(225).chr(187).chr(182) => 'Y', chr(225).chr(187).chr(183) => 'y',
+			// tilde
+			chr(225).chr(186).chr(170) => 'A', chr(225).chr(186).chr(171) => 'a',
+			chr(225).chr(186).chr(180) => 'A', chr(225).chr(186).chr(181) => 'a',
+			chr(225).chr(186).chr(188) => 'E', chr(225).chr(186).chr(189) => 'e',
+			chr(225).chr(187).chr(132) => 'E', chr(225).chr(187).chr(133) => 'e',
+			chr(225).chr(187).chr(150) => 'O', chr(225).chr(187).chr(151) => 'o',
+			chr(225).chr(187).chr(160) => 'O', chr(225).chr(187).chr(161) => 'o',
+			chr(225).chr(187).chr(174) => 'U', chr(225).chr(187).chr(175) => 'u',
+			chr(225).chr(187).chr(184) => 'Y', chr(225).chr(187).chr(185) => 'y',
+			// acute accent
+			chr(225).chr(186).chr(164) => 'A', chr(225).chr(186).chr(165) => 'a',
+			chr(225).chr(186).chr(174) => 'A', chr(225).chr(186).chr(175) => 'a',
+			chr(225).chr(186).chr(190) => 'E', chr(225).chr(186).chr(191) => 'e',
+			chr(225).chr(187).chr(144) => 'O', chr(225).chr(187).chr(145) => 'o',
+			chr(225).chr(187).chr(154) => 'O', chr(225).chr(187).chr(155) => 'o',
+			chr(225).chr(187).chr(168) => 'U', chr(225).chr(187).chr(169) => 'u',
+			// dot below
+			chr(225).chr(186).chr(160) => 'A', chr(225).chr(186).chr(161) => 'a',
+			chr(225).chr(186).chr(172) => 'A', chr(225).chr(186).chr(173) => 'a',
+			chr(225).chr(186).chr(182) => 'A', chr(225).chr(186).chr(183) => 'a',
+			chr(225).chr(186).chr(184) => 'E', chr(225).chr(186).chr(185) => 'e',
+			chr(225).chr(187).chr(134) => 'E', chr(225).chr(187).chr(135) => 'e',
+			chr(225).chr(187).chr(138) => 'I', chr(225).chr(187).chr(139) => 'i',
+			chr(225).chr(187).chr(140) => 'O', chr(225).chr(187).chr(141) => 'o',
+			chr(225).chr(187).chr(152) => 'O', chr(225).chr(187).chr(153) => 'o',
+			chr(225).chr(187).chr(162) => 'O', chr(225).chr(187).chr(163) => 'o',
+			chr(225).chr(187).chr(164) => 'U', chr(225).chr(187).chr(165) => 'u',
+			chr(225).chr(187).chr(176) => 'U', chr(225).chr(187).chr(177) => 'u',
+			chr(225).chr(187).chr(180) => 'Y', chr(225).chr(187).chr(181) => 'y',
+			// Vowels with diacritic (Chinese, Hanyu Pinyin)
+			chr(201).chr(145) => 'a',
+			// macron
+			chr(199).chr(149) => 'U', chr(199).chr(150) => 'u',
+			// acute accent
+			chr(199).chr(151) => 'U', chr(199).chr(152) => 'u',
+			// caron
+			chr(199).chr(141) => 'A', chr(199).chr(142) => 'a',
+			chr(199).chr(143) => 'I', chr(199).chr(144) => 'i',
+			chr(199).chr(145) => 'O', chr(199).chr(146) => 'o',
+			chr(199).chr(147) => 'U', chr(199).chr(148) => 'u',
+			chr(199).chr(153) => 'U', chr(199).chr(154) => 'u',
+			// grave accent
+			chr(199).chr(155) => 'U', chr(199).chr(156) => 'u',
+			);
+
+			// Used for locale-specific rules
+			$locale = get_locale();
+
+			if ( 'de' == $locale ) {
+				$chars[ chr(195).chr(132) ] = 'Ae';
+				$chars[ chr(195).chr(164) ] = 'ae';
+				$chars[ chr(195).chr(150) ] = 'Oe';
+				$chars[ chr(195).chr(182) ] = 'oe';
+				$chars[ chr(195).chr(156) ] = 'Ue';
+				$chars[ chr(195).chr(188) ] = 'ue';
+				$chars[ chr(195).chr(159) ] = 'ss';
+			} elseif ( 'da' === $locale ) {
+				$chars[ chr(195).chr(134) ] = 'Ae';
+	 			$chars[ chr(195).chr(166) ] = 'ae';
+				$chars[ chr(195).chr(152) ] = 'Oe';
+				$chars[ chr(195).chr(184) ] = 'oe';
+				$chars[ chr(195).chr(133) ] = 'Aa';
+				$chars[ chr(195).chr(165) ] = 'aa';
+			}
+
+			$string = strtr($string, $chars);
+		} else {
+			// Assume ISO-8859-1 if not UTF-8
+			$chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158)
+				.chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194)
+				.chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202)
+				.chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210)
+				.chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218)
+				.chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227)
+				.chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235)
+				.chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243)
+				.chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251)
+				.chr(252).chr(253).chr(255);
+
+			$chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";
+
+			$string = strtr($string, $chars['in'], $chars['out']);
+			$double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));
+			$double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th');
+			$string = str_replace($double_chars['in'], $double_chars['out'], $string);
+		}
+
+		return $string;
+	}
+
+
+
+	/**
+	 * Checks to see if a string is utf8 encoded.
+	 *
+	 * NOTE: This function checks for 5-Byte sequences, UTF8
+	 *       has Bytes Sequences with a maximum length of 4.
+	 *
+	 * @author bmorel at ssi dot fr (modified)
+	 * @since 1.2.1
+	 *
+	 * @param string $str The string to be checked
+	 * @return bool True if $str fits a UTF-8 model, false otherwise.
+	 */
+	function seems_utf8($str) {
+		mbstring_binary_safe_encoding();
+		$length = strlen($str);
+		reset_mbstring_encoding();
+		for ($i=0; $i < $length; $i++) {
+			$c = ord($str[$i]);
+			if ($c < 0x80) $n = 0; # 0bbbbbbb
+			elseif (($c & 0xE0) == 0xC0) $n=1; # 110bbbbb
+			elseif (($c & 0xF0) == 0xE0) $n=2; # 1110bbbb
+			elseif (($c & 0xF8) == 0xF0) $n=3; # 11110bbb
+			elseif (($c & 0xFC) == 0xF8) $n=4; # 111110bb
+			elseif (($c & 0xFE) == 0xFC) $n=5; # 1111110b
+			else return false; # Does not match any model
+			for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ?
+				if ((++$i == $length) || ((ord($str[$i]) & 0xC0) != 0x80))
+					return false;
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * Reset the mbstring internal encoding to a users previously set encoding.
+	 *
+	 * @see mbstring_binary_safe_encoding()
+	 *
+	 * @since 3.7.0
+	 */
+	function reset_mbstring_encoding() {
+		mbstring_binary_safe_encoding( true );
+	}
+
+	/**
+	 * Set the mbstring internal encoding to a binary safe encoding when func_overload
+	 * is enabled.
+	 *
+	 * When mbstring.func_overload is in use for multi-byte encodings, the results from
+	 * strlen() and similar functions respect the utf8 characters, causing binary data
+	 * to return incorrect lengths.
+	 *
+	 * This function overrides the mbstring encoding to a binary-safe encoding, and
+	 * resets it to the users expected encoding afterwards through the
+	 * `reset_mbstring_encoding` function.
+	 *
+	 * It is safe to recursively call this function, however each
+	 * `mbstring_binary_safe_encoding()` call must be followed up with an equal number
+	 * of `reset_mbstring_encoding()` calls.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @see reset_mbstring_encoding()
+	 *
+	 * @param bool $reset Optional. Whether to reset the encoding back to a previously-set encoding.
+	 *                    Default false.
+	 */
+	function mbstring_binary_safe_encoding( $reset = false ) {
+		static $encodings = array();
+		static $overloaded = null;
+
+		if ( is_null( $overloaded ) )
+			$overloaded = function_exists( 'mb_internal_encoding' ) && ( ini_get( 'mbstring.func_overload' ) & 2 );
+
+		if ( false === $overloaded )
+			return;
+
+		if ( ! $reset ) {
+			$encoding = mb_internal_encoding();
+			array_push( $encodings, $encoding );
+			mb_internal_encoding( 'ISO-8859-1' );
+		}
+
+		if ( $reset && $encodings ) {
+			$encoding = array_pop( $encodings );
+			mb_internal_encoding( $encoding );
+		}
+	}
+
+
+
+	/**
+	 * Used to filter russian special characters for SEO urls
+	 * 
+	 * @author Tolmachev.vlad
+	 * @param String $string
+	 * @return String
+	 */
+
+
+	function rus2translit($string) {
+    	$converter = array(
+	        'а' => 'a',   'б' => 'b',   'в' => 'v',
+	        'г' => 'g',   'д' => 'd',   'е' => 'e',
+	        'ё' => 'e',   'ж' => 'zh',  'з' => 'z',
+	        'и' => 'i',   'й' => 'y',   'к' => 'k',
+	        'л' => 'l',   'м' => 'm',   'н' => 'n',
+	        'о' => 'o',   'п' => 'p',   'р' => 'r',
+	        'с' => 's',   'т' => 't',   'у' => 'u',
+	        'ф' => 'f',   'х' => 'h',   'ц' => 'c',
+	        'ч' => 'ch',  'ш' => 'sh',  'щ' => 'sch',
+	        'ь' => '',  'ы' => 'y',   'ъ' => '',
+	        'э' => 'e',   'ю' => 'yu',  'я' => 'ya',
+	        
+	        'А' => 'A',   'Б' => 'B',   'В' => 'V',
+	        'Г' => 'G',   'Д' => 'D',   'Е' => 'E',
+	        'Ё' => 'E',   'Ж' => 'Zh',  'З' => 'Z',
+	        'И' => 'I',   'Й' => 'Y',   'К' => 'K',
+	        'Л' => 'L',   'М' => 'M',   'Н' => 'N',
+	        'О' => 'O',   'П' => 'P',   'Р' => 'R',
+	        'С' => 'S',   'Т' => 'T',   'У' => 'U',
+	        'Ф' => 'F',   'Х' => 'H',   'Ц' => 'C',
+	        'Ч' => 'Ch',  'Ш' => 'Sh',  'Щ' => 'Sch',
+	        'Ь' => '',  'Ы' => 'Y',   'Ъ' => '',
+	        'Э' => 'E',   'Ю' => 'Yu',  'Я' => 'Ya',
+	    );
+	    return strtr($string, $converter);
+	}
+
+
+	
+
 
 ?>
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