diff --git a/string.php b/string.php
index 06fd819..b96111c 100644
--- a/string.php
+++ b/string.php
@@ -1,129 +1,260 @@
-<?php
-function umlaute($str) {
-  return str_replace ( array (
-      'Ä',
-      'Ö',
-      'Ü',
-      'ä',
-      'ö',
-      'ü',
-      'ß'
-  ), array (
-      '&Auml;',
-      '&Ouml;',
-      '&Uuml;',
-      '&auml;',
-      '&ouml;',
-      '&uuml;',
-      '&szlig;'
-  ), $str );
-}
-function chk($str) {
-  return str_replace ( "'", '"', $str );
-}
-function noScript($str) {
-  return str_replace ( array (
-      '<',
-      '>'
-  ), array (
-      '&lt;',
-      '&gt;'
-  ), $str );
-}
-function random($name_laenge) {
-  $zeichen = "abcedfghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZ0123456789";
-  $name_neu = "";
-
-  @mt_srand ( ( double ) microtime () * 1000000 );
-  for($i = 0; $i < $name_laenge; $i ++) {
-    $r = mt_rand ( 0, strlen ( $zeichen ) - 1 );
-    $name_neu .= $zeichen {$r};
-  }
-  return $name_neu;
-}
-function startsWith($haystack, $needle) {
-  $length = strlen ( $needle );
-  return (substr ( $haystack, 0, $length ) === $needle);
-}
-function endsWith($haystack, $needle) {
-  $length = strlen ( $needle );
-
-  return $length === 0 || (substr ( $haystack, - $length ) === $needle);
-}
-function onlyAlpha($str, $zus = '') {
-  return preg_replace ( "/[^a-zA-Z0-9 \-\{$zus}_]+/", "", $str );
-}
-function shortener($str, $len = 50, $fill = '...') {
-  if (strlen ( $str ) > $len) {
-    $str = substr ( $str, 0, $len - strlen ( $fill ) ) . $fill;
-  }
-  return $str;
-}
-function isEmail($str) {
-  $match = preg_match ( "/[a-zA-Z0-9\-\_\.]*\@[a-zA-Z0-9\-\_\.]*.[a-z]{2,10}/", $str );
-  if ($match) {
-    return $str;
-  }
-  return false;
-}
-function markUp($text) {
-  $r = '';
-  $lv = 0;
-  foreach ( explode ( "\n", $text ) as $t ) {
-    $nlv = 0;
-    if (startsWith ( '**** ', $t )) {
-      $t = substr ( $t, 5 );
-      $nlv = 4;
-    }
-    if (startsWith ( '*** ', $t )) {
-      $t = substr ( $t, 4 );
-      $nlv = 3;
-    }
-    if (startsWith ( '** ', $t )) {
-      $t = substr ( $t, 3 );
-      $nlv = 2;
-    }
-    if (startsWith ( '* ', $t )) {
-      $t = substr ( $t, 2 );
-      $nlv = 1;
-    }
-    if ($lv != $nlv) {
-      while ( $lv < $nlv ) {
-        $text .= '<ul>';
-        $lv ++;
-      }
-      while ( $lv > $nlv ) {
-        $text .= '</ul>';
-        $lv --;
-      }
-    }
-    if (startsWith ( $t, '!!!!! ' )) {
-      $t = '<h5>' . substr ( $t, 6 ) . '</h5>';
-    }
-    if (startsWith ( $t, '!!!! ' )) {
-      $t = '<h4>' . substr ( $t, 5 ) . '</h4>';
-    }
-    if (startsWith ( $t, '!!! ' )) {
-      $t = '<h3>' . substr ( $t, 4 ) . '</h3>';
-    }
-    if (startsWith ( $t, '!! ' )) {
-      $t = '<h2>' . substr ( $t, 3 ) . '</h2>';
-    }
-    if (startsWith ( $t, '! ' )) {
-      $t = '<h1>' . substr ( $t, 2 ) . '</h1>';
-    }
-    if ($lv == 0) {
-      $r .= $t;
-    } else {
-      $r .= '<li>' . $t . '</li>';
-    }
-    // var_dump ( $t );
-  }
-  while ( $lv > 0 ) {
-    $r .= '</ul>';
-    $lv --;
-  }
-  return $r;
-}
-
+<?php
+function umlaute($str) {
+  return str_replace ( array (
+      'Ä',
+      'Ö',
+      'Ü',
+      'ä',
+      'ö',
+      'ü',
+      'ß'
+  ), array (
+      '&Auml;',
+      '&Ouml;',
+      '&Uuml;',
+      '&auml;',
+      '&ouml;',
+      '&uuml;',
+      '&szlig;'
+  ), $str );
+}
+function chk($str) {
+  return str_replace ( "'", '"', $str );
+}
+function noScript($str) {
+  return str_replace ( array (
+      '<',
+      '>'
+  ), array (
+      '&lt;',
+      '&gt;'
+  ), $str );
+}
+function random($name_laenge) {
+  $zeichen = "abcedfghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZ0123456789";
+  $name_neu = "";
+
+  @mt_srand ( ( double ) microtime () * 1000000 );
+  for($i = 0; $i < $name_laenge; $i ++) {
+    $r = mt_rand ( 0, strlen ( $zeichen ) - 1 );
+    $name_neu .= $zeichen {$r};
+  }
+  return $name_neu;
+}
+function startsWith($haystack, $needle) {
+  $length = strlen ( $needle );
+  return (substr ( $haystack, 0, $length ) === $needle);
+}
+function endsWith($haystack, $needle) {
+  $length = strlen ( $needle );
+
+  return $length === 0 || (substr ( $haystack, - $length ) === $needle);
+}
+function onlyAlpha($str, $zus = '') {
+  return preg_replace ( "/[^a-zA-Z0-9 \-\{$zus}_]+/", "", $str );
+}
+function shortener($str, $len = 50, $fill = '...') {
+  if (strlen ( $str ) > $len) {
+    $str = substr ( $str, 0, $len - strlen ( $fill ) ) . $fill;
+  }
+  return $str;
+}
+function isEmail($str) {
+  $match = preg_match ( "/[a-zA-Z0-9\-\_\.]*\@[a-zA-Z0-9\-\_\.]*.[a-z]{2,10}/", $str );
+  if ($match) {
+    return $str;
+  }
+  return false;
+}
+function markUp($text) {
+  $r = '';
+  $lv = 0;
+  foreach ( explode ( "\n", $text ) as $t ) {
+    $nlv = 0;
+    if (startsWith ( '**** ', $t )) {
+      $t = substr ( $t, 5 );
+      $nlv = 4;
+    }
+    if (startsWith ( '*** ', $t )) {
+      $t = substr ( $t, 4 );
+      $nlv = 3;
+    }
+    if (startsWith ( '** ', $t )) {
+      $t = substr ( $t, 3 );
+      $nlv = 2;
+    }
+    if (startsWith ( '* ', $t )) {
+      $t = substr ( $t, 2 );
+      $nlv = 1;
+    }
+    if ($lv != $nlv) {
+      while ( $lv < $nlv ) {
+        $text .= '<ul>';
+        $lv ++;
+      }
+      while ( $lv > $nlv ) {
+        $text .= '</ul>';
+        $lv --;
+      }
+    }
+    if (startsWith ( $t, '!!!!! ' )) {
+      $t = '<h5>' . substr ( $t, 6 ) . '</h5>';
+    }
+    if (startsWith ( $t, '!!!! ' )) {
+      $t = '<h4>' . substr ( $t, 5 ) . '</h4>';
+    }
+    if (startsWith ( $t, '!!! ' )) {
+      $t = '<h3>' . substr ( $t, 4 ) . '</h3>';
+    }
+    if (startsWith ( $t, '!! ' )) {
+      $t = '<h2>' . substr ( $t, 3 ) . '</h2>';
+    }
+    if (startsWith ( $t, '! ' )) {
+      $t = '<h1>' . substr ( $t, 2 ) . '</h1>';
+    }
+    if ($lv == 0) {
+      $r .= $t;
+    } else {
+      $r .= '<li>' . $t . '</li>';
+    }
+    // var_dump ( $t );
+  }
+  while ( $lv > 0 ) {
+    $r .= '</ul>';
+    $lv --;
+  }
+  return $r;
+}
+function onlySimpleHTML($s) {
+  $s = str_replace ( array (
+      '<',
+      '>'
+  ), array (
+      '{{|-&lt;-|}}',
+      '{{|-&gt;-|}}'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}b{{|-&gt;-|}}',
+      '{{|-&lt;-|}}b/{{|-&gt;-|}}'
+  ), array (
+      '<b>',
+      '<b/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}u{{|-&gt;-|}}',
+      '{{|-&lt;-|}}u/{{|-&gt;-|}}'
+  ), array (
+      '<u>',
+      '<u/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}i{{|-&gt;-|}}',
+      '{{|-&lt;-|}}i/{{|-&gt;-|}}'
+  ), array (
+      '<i>',
+      '<i/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}span{{|-&gt;-|}}',
+      '{{|-&lt;-|}}span/{{|-&gt;-|}}'
+  ), array (
+      '<span>',
+      '<span/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}b{{|-&gt;-|}}',
+      '{{|-&lt;-|}}b/{{|-&gt;-|}}'
+  ), array (
+      '<b>',
+      '<b/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}br{{|-&gt;-|}}',
+      '{{|-&lt;-|}}br/{{|-&gt;-|}}'
+  ), array (
+      '<br>',
+      '<br/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}h1{{|-&gt;-|}}',
+      '{{|-&lt;-|}}h1/{{|-&gt;-|}}'
+  ), array (
+      '<h1>',
+      '<h1/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}h2{{|-&gt;-|}}',
+      '{{|-&lt;-|}}h2/{{|-&gt;-|}}'
+  ), array (
+      '<h2>',
+      '<h2/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}h3{{|-&gt;-|}}',
+      '{{|-&lt;-|}}h3/{{|-&gt;-|}}'
+  ), array (
+      '<h3>',
+      '<h3/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}h4{{|-&gt;-|}}',
+      '{{|-&lt;-|}}h4/{{|-&gt;-|}}'
+  ), array (
+      '<h4>',
+      '<h4/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}h5{{|-&gt;-|}}',
+      '{{|-&lt;-|}}h5/{{|-&gt;-|}}'
+  ), array (
+      '<h5>',
+      '<h5/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}h6{{|-&gt;-|}}',
+      '{{|-&lt;-|}}h6/{{|-&gt;-|}}'
+  ), array (
+      '<h6>',
+      '<h6/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}li{{|-&gt;-|}}',
+      '{{|-&lt;-|}}li/{{|-&gt;-|}}'
+  ), array (
+      '<li>',
+      '<li/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}ul{{|-&gt;-|}}',
+      '{{|-&lt;-|}}ul/{{|-&gt;-|}}'
+  ), array (
+      '<ul>',
+      '<ul/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}ol{{|-&gt;-|}}',
+      '{{|-&lt;-|}}ol/{{|-&gt;-|}}'
+  ), array (
+      '<ol>',
+      '<ol/>'
+  ), $s );
+  $s = str_replace ( array (
+      '{{|-&lt;-|}}pre{{|-&gt;-|}}',
+      '{{|-&lt;-|}}pre/{{|-&gt;-|}}'
+  ), array (
+      '<pre>',
+      '<pre/>'
+  ), $s );
+
+  // cleanup
+  $s = str_replace ( array (
+      '{{|-',
+      '-|}}'
+  ), array (
+      '',
+      ''
+  ), $s );
+
+  return $s;
+}
 ?>
\ No newline at end of file