diff --git a/showmore_dyn/showmore_dyn.css b/showmore_dyn/showmore_dyn.css
index 6f9d59bc..76bb7555 100644
--- a/showmore_dyn/showmore_dyn.css
+++ b/showmore_dyn/showmore_dyn.css
@@ -1,8 +1,3 @@
-.limit-height {
-       max-height: 250px;
-       overflow: hidden;
-}
-
 .wall-item-body-toggle {
     width: 100%;
     text-align: center;
diff --git a/showmore_dyn/showmore_dyn.js b/showmore_dyn/showmore_dyn.js
index 7d91c337..d60529d9 100644
--- a/showmore_dyn/showmore_dyn.js
+++ b/showmore_dyn/showmore_dyn.js
@@ -1,4 +1,8 @@
 $(document).ready(function(){
+	$("head").append('<style type="text/css"></style>');
+	var newStyleElement = $("head").children(':last');
+	newStyleElement.html('.limit-height{max-height: ' + postLimitHeight + 'px; overflow: hidden;}');
+
 	handleNewWallItemBodies();
 
 	document.addEventListener("postprocess_liveupdate", function() {
@@ -60,7 +64,7 @@ function processHeightLimit($item) {
 
 	var itemId = $item.data("item-id");
 	var $toggle = $("#wall-item-body-toggle-" + itemId);
-	if ($item.height() < 250) {
+	if ($item.height() < postLimitHeight) {
 		$item.removeClass("limit-height");
 		$toggle.hide();
 		return false;
diff --git a/showmore_dyn/showmore_dyn.php b/showmore_dyn/showmore_dyn.php
index 4840201d..b38231fa 100644
--- a/showmore_dyn/showmore_dyn.php
+++ b/showmore_dyn/showmore_dyn.php
@@ -9,17 +9,27 @@
 
 use Friendica\App;
 use Friendica\Core\Hook;
+use Friendica\Core\L10n;
+use Friendica\Core\Logger;
+use Friendica\Core\Renderer;
+use Friendica\Database\DBA;
 use Friendica\DI;
 
 function showmore_dyn_install() {
+	Hook::register('page_end', 'addon/showmore_dyn.php/showmore_dyn.php', 'showmore_dyn_script');
 	Hook::register('head'  , __FILE__, 'showmore_dyn_head');
 	Hook::register('footer', __FILE__, 'showmore_dyn_footer');
+	Hook::register('addon_settings', 'addon/showmore_dyn/showmore_dyn.php', 'showmore_dyn_settings');
+        Hook::register('addon_settings_post', 'addon/showmore_dyn/showmore_dyn.php', 'showmore_dyn_settings_post');
 }
 
 function showmore_dyn_uninstall()
 {
+	Hook::unregister('page_end', 'addon/jappixmini/jappixmini.php', 'jappixmini_script');
 	Hook::unregister('head'  , __FILE__, 'showmore_dyn_head');
 	Hook::unregister('footer', __FILE__, 'showmore_dyn_footer');
+        Hook::unregister('addon_settings', 'addon/showmore_dyn/showmore_dyn.php', 'showmore_dyn_settings');
+        Hook::unregister('addon_settings_post', 'addon/showmore_dyn/showmore_dyn.php', 'showmore_dyn_settings_post');
 }
 
 function showmore_dyn_head(App $a, &$b)
@@ -32,3 +42,43 @@ function showmore_dyn_footer(App $a, &$b)
 	DI::page()->registerFooterScript(__DIR__ . '/showmore_dyn.js');
 }
 
+function showmore_dyn_settings_post(){
+        if(! local_user())
+                return;
+	if (isset($_POST['showmore_dyn-submit'])){
+		$limitHeight = $_POST['showmore_dyn_height'];
+		DI::pConfig()->set(local_user(), 'showmore_dyn', 'limitHeight', $limitHeight);
+
+/*
+		$str=file_get_contents('addon/showmore_dyn/showmore_dyn.css');
+		$str=preg_replace("/(max-height: )\d+(px;)/i", "max-height: " . $limitHeight . "px;" ,$str);
+		file_put_contents('addon/showmore_dyn/showmore_dyn.css', $str);
+
+		$str=file_get_contents('addon/showmore_dyn/showmore_dyn.js');
+                $str=preg_replace('/if \(\$item.height\(\) \< \d+\) \{/i', 'if ($item.height() < ' . $limitHeight . ') {' ,$str);
+		file_put_contents('addon/showmore_dyn/showmore_dyn2.js', $str);*/
+        }
+}
+
+function showmore_dyn_settings(&$a,&$o) {
+    if(! local_user())
+                return;
+
+
+        $limitHeight = DI::pConfig()->get(local_user(), 'showmore_dyn', 'limitHeight' );
+        if ($limitHeight=='') { $limitHeight = 250; DI::pConfig()->set(local_user(), 'showmore_dyn', 'limitHeight', $limitHeight); }
+
+        $t = Renderer::getMarkupTemplate("settings.tpl", "addon/showmore_dyn/");
+        $o .= Renderer::replaceMacros($t, [
+                '$submit' => DI::l10n()->t('Save Settings'),
+                '$title' => "Showmore Dynamic",
+                '$label' => DI::l10n()->t('Limit Height'),
+                '$limitHeight' => $limitHeight,
+        ]);
+
+}
+
+function showmore_dyn_script() {
+	$limitHeight = DI::pConfig()->get(local_user(), 'showmore_dyn', 'limitHeight' );
+	DI::page()['htmlhead'] .= '<script>var postLimitHeight = ' . intval($limitHeight) . ';</script>';
+}