Index: branches/RC/core/kernel/db/db_tag_processor.php
===================================================================
diff -u -r10070 -r10098
--- branches/RC/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 10070)
+++ branches/RC/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 10098)
@@ -673,9 +673,9 @@
 		$first_chars = $this->SelectParam($params,'first_chars,cut_first');
 		if($first_chars)
 		{
-			$needs_cut = strlen($value) > $first_chars;
-			$value = extension_loaded('mbstring') ? mb_substr($value,0,$first_chars) : substr($value,0,$first_chars);
-			if($needs_cut) $value .= ' ...';
+			$needs_cut = mb_strlen($value) > $first_chars;
+			$value = mb_substr($value, 0, $first_chars);
+			if ($needs_cut) $value .= ' ...';
 		}
 		if( getArrayValue($params,'nl2br'	) ) $value = nl2br($value);
 
@@ -1431,9 +1431,9 @@
 		}
 
 		$cut_first = getArrayValue($params, 'cut_first');
-		if ($cut_first && strlen($title) > $cut_first) {
+		if ($cut_first && mb_strlen($title) > $cut_first) {
 			if (!preg_match('/<a href="(.*)">(.*)<\/a>/',$title)) {
-				$title = substr($title, 0, $cut_first).' ...';
+				$title = mb_substr($title, 0, $cut_first).' ...';
 			}
 		}
 
@@ -1748,7 +1748,7 @@
 				if (!$force_module) $force_module = 'core';
 			}
 			else {
-				$force_module = strtolower($force_module);
+				$force_module = mb_strtolower($force_module);
 			}
 
 			if ($force_module == 'core') {
@@ -1897,7 +1897,7 @@
 		$value = $this->Field($params);
 		$name = $this->InputName($params);
 
-		$theme_path = $this->Application->BaseURL().substr($this->Application->GetFrontThemePath(), 1);
+		$theme_path = $this->Application->BaseURL().mb_substr($this->Application->GetFrontThemePath(), 1);
 
 		$bgcolor = isset($params['bgcolor']) ? $params['bgcolor'] : $this->Application->GetVar('bgcolor');
 		if (!$bgcolor) $bgcolor = '#ffffff';