diff --git a/src/sidebars/engS.tsx b/src/sidebars/engS.tsx
index 7b96653acd1348406c5ccd42a628ab8d586c6dc2..ae3ff2fcaff282bb67c0788237f3aa47e25743d3 100644
--- a/src/sidebars/engS.tsx
+++ b/src/sidebars/engS.tsx
@@ -31,7 +31,7 @@ export function EngSide(){
             <div className="sticky-top">
             <nav className="sidebar" id="eng-sidebar">
                 <div> 
-                    <a onClick={openThem({it: "our-cycle", scrollToId: "Our cycle"})}>
+                    <a onClick={openThem({it: "our-cycle", scrollToId: "ourcycle"})}>
                         <div className="detail-sideitem"> 
                             <div id="parent-our-cycle" className="sideitem active-sideitem">
                                 <summary>Our Cycle</summary>
diff --git a/src/utils/openThem.ts b/src/utils/openThem.ts
index fb00b7217bf915a239fab03f1323de12701128e1..b57d56973c6011cce0690544e8a54c7568f443ac 100644
--- a/src/utils/openThem.ts
+++ b/src/utils/openThem.ts
@@ -1,81 +1,102 @@
 export function openThem({ it, scrollToId }: { it: string; scrollToId?: string }) {
-    const gotoandopen = (_event: React.MouseEvent<HTMLElement, MouseEvent>) => {
-      if (typeof window !== 'undefined') {
-        console.log(`Opening tab: ${it}`);
-        updateTabs(it, scrollToId);
-        
-        // Update der URL
-        const newUrl = `?tab=${it}`;
-        console.log(`Updating URL to: ${newUrl}`);
-        window.history.pushState({ tab: it }, '', newUrl);
-        
-        // Scrollen nach oben
-        console.log("Scrolling to top...");
-        window.scrollTo({ top: 0, behavior: 'smooth' });
-      }
-    };
-  
-    return gotoandopen;
-  }
-  
-  function updateTabs(it: string, scrollToId?: string) {
-    if (typeof window === 'undefined') return;
-  
-    let contenttabid = "tab-" + it;
-    let parent = "parent-" + it;
-  
-    console.log(`Updating tabs for: ${it}`);
-    
-    // Verstecke alle Subtabs und Content-Tabs
-    const subtabs = document.getElementsByClassName("sidesubtab");
-    const contenttabs = document.getElementsByClassName("enginneeringtab");
-    const sideitems = document.getElementsByClassName("sideitem");
-  
-    for (let i = 0; i < subtabs.length; i++) {
-      (subtabs[i] as HTMLElement).style.display = "none";
-      console.log(`Hiding subtab: ${subtabs[i].id}`);
+  const gotoandopen = (_event: React.MouseEvent<HTMLElement, MouseEvent>) => {
+    if (typeof window !== 'undefined') {
+      console.log(`Opening tab: ${it}`);
+      updateTabs(it, scrollToId);
+
+      // Update der URL
+      const newUrl = `?tab=${it}`;
+      console.log(`Updating URL to: ${newUrl}`);
+      window.history.pushState({ tab: it }, '', newUrl);
+  /*     if (scrollToId && document.getElementById(scrollToId)) {
+        const scElement = document.getElementById(scrollToId);
+        if (scElement) {
+            const scrollPos = window.innerHeight / 2 - scElement.offsetHeight / 2;
+            window.scrollTo({ top: scrollPos, behavior: 'smooth' });
+        }
+      } */
+      // Scrollen in die Mitte
+     /*  const midScrollPosition = window.innerHeight / 2; // Berechnung der Mitte des Viewports
+      console.log(`Scrolling to middle position: ${midScrollPosition}`); */
+     /*  window.scrollTo({ top: midScrollPosition, behavior: 'smooth' }); */
     }
-    for (let i = 0; i < contenttabs.length; i++) {
-      (contenttabs[i] as HTMLElement).style.display = "none";
-      console.log(`Hiding content tab: ${contenttabs[i].id}`);
+  };
+
+  return gotoandopen;
+}
+
+function updateTabs(it: string, scrollToId?: string) {
+  if (typeof window === 'undefined') return;
+
+  let contenttabid = "tab-" + it;
+  let parent = "parent-" + it;
+
+  console.log(`Updating tabs for: ${it}`);
+
+  // Verstecke alle Subtabs und Content-Tabs
+  const subtabs = document.getElementsByClassName("sidesubtab");
+  const contenttabs = document.getElementsByClassName("enginneeringtab");
+  const sideitems = document.getElementsByClassName("sideitem");
+
+  for (let i = 0; i < subtabs.length; i++) {
+    (subtabs[i] as HTMLElement).style.display = "none";
+    console.log(`Hiding subtab: ${subtabs[i].id}`);
+  }
+  for (let i = 0; i < contenttabs.length; i++) {
+    (contenttabs[i] as HTMLElement).style.display = "none";
+    console.log(`Hiding content tab: ${contenttabs[i].id}`);
+  }
+  for (let i = 0; i < sideitems.length; i++) {
+    (sideitems[i] as HTMLElement)!.classList.remove("active-sideitem");
+    console.log(`Removing active class from side item: ${sideitems[i].id}`);
+  }
+
+  // Zeige den aktuellen Tab und markiere das entsprechende Sidebar-Item
+  document.getElementById(it)!.style.display = "block";
+  console.log(`Showing tab: ${it}`);
+  document.getElementById(parent)!.classList.add("active-sideitem");
+  console.log(`Activating side item: ${parent}`);
+  document.getElementById(contenttabid)!.style.display = "block";
+  console.log(`Showing content tab: ${contenttabid}`);
+
+  // Scrolle zu der angegebenen ID, falls vorhanden
+  if (scrollToId) {
+    const collapseElement = document.getElementById(scrollToId);
+    if (collapseElement) {
+        const elementTop = collapseElement.getBoundingClientRect().top + window.pageYOffset;
+        const offset = window.innerHeight / 2 - collapseElement.offsetHeight / 2;
+        const scrollPosition = elementTop - offset;
+
+        window.scrollTo({
+            top: scrollPosition,
+            behavior: 'smooth',
+        });
     }
-    for (let i = 0; i < sideitems.length; i++) {
-      (sideitems[i] as HTMLElement)!.classList.remove("active-sideitem");
-      console.log(`Removing active class from side item: ${sideitems[i].id}`);
+}
+/*   if (scrollToId && document.getElementById(scrollToId)) {
+    const scElement = document.getElementById(scrollToId);
+    if (scElement) {
+        const scrollPos = window.innerHeight / 2 - scElement.offsetHeight / 2;
+        window.scrollTo({ top: scrollPos, behavior: 'smooth' });
     }
-  
-    // Zeige den aktuellen Tab und markiere das entsprechende Sidebar-Item
-    document.getElementById(it)!.style.display = "block";
-    console.log(`Showing tab: ${it}`);
-    document.getElementById(parent)!.classList.add("active-sideitem");
-    console.log(`Activating side item: ${parent}`);
-    document.getElementById(contenttabid)!.style.display = "block";
-    console.log(`Showing content tab: ${contenttabid}`);
-  
-    // Scrolle zu der angegebenen ID, falls vorhanden
-    if (scrollToId && document.getElementById(scrollToId)) {
-      console.log(`Scrolling to ID: ${scrollToId}`);
-      document.getElementById(scrollToId)!.scrollIntoView({ behavior: "smooth" });
+  } */
+}
+
+// Füge einen Event Listener für `popstate` hinzu
+if (typeof window !== 'undefined') {
+  window.addEventListener('popstate', (event) => {
+    console.log('Popstate event triggered');
+    if (event.state) {
+      const tab = event.state.tab;
+      console.log(`Restoring tab: ${tab}`);
+      updateTabs(tab);
+      
+      // Scrollen in die Mitte beim Zurücknavigieren
+      console.log("Scrolling to middle on popstate...");
+      const midScrollPosition = window.innerHeight / 2;
+      window.scrollTo({ top: midScrollPosition, behavior: 'smooth' });
     } else {
-      console.log(`No scrollToId provided or ID not found: ${scrollToId}`);
+      console.log("No state found in popstate event.");
     }
-  }
-  
-  // Füge einen Event Listener für `popstate` hinzu
-  if (typeof window !== 'undefined') {
-    window.addEventListener('popstate', (event) => {
-      console.log('Popstate event triggered');
-      if (event.state) {
-        const tab = event.state.tab;
-        console.log(`Restoring tab: ${tab}`);
-        updateTabs(tab);
-        
-        // Scrollen nach oben beim Zurücknavigieren
-        console.log("Scrolling to top on popstate...");
-        window.scrollTo({ top: 0, behavior: 'smooth' });
-      } else {
-        console.log("No state found in popstate event.");
-      }
-    });
-  }
-  
\ No newline at end of file
+  });
+}