diff --git a/background.js b/background.js
index 5e0e384..a458513 100644
--- a/background.js
+++ b/background.js
@@ -583,82 +583,86 @@ let Listener_SelectionNumber = "";
 browser.runtime.onMessage.addListener(function (request, sender, sendResponse){
   //console.log("request",request)
   
-  if ( request.hasOwnProperty("settings_change") ) {
-    settings_changed();
-  }
-  
-  /*
-  if ( request.hasOwnProperty("python erreichbar") ) {
-     CallMonitor_connnect();
-  }
-  */
-  if( request.hasOwnProperty("callListTransfer") ){
-    blink_missed("off");
-    sendResponse({
-      callList: GL_call_list_popup,
-      callList_raw: GL_call_list_popup_raw
-    });
-  }
-  
-  if( request.hasOwnProperty("phoneListTransfer") ){
-    sendResponse({
-      phoneList: GL_phone_list_popup,
-      phoneList_raw: GL_phone_list_popup_raw
-    });
-  }
-  
-  if ( request.hasOwnProperty("call_test") ) {
-    let info = request["call_test"].split(";")
-    //console.warn(info);
-    work(info);
-  }
+  switch(true){
   
-  if ( request.hasOwnProperty("Call_Number") ) {
-    //Nummer anrufen
-    callNumber( request["Call_Number"], sendResponse );
-    callNumber_check = true;
+    case request.settings_change:
+      settings_changed();
+    break;
     
-    //wenn nach 3 sek callNumber_check noch true ist, ist alles gut. Anstonsten gabe es probleme 
-    setTimeout(() => {
-      if(callNumber_check == true){
-        startGetDialConfig();
-      }
-    }, 3000);
-  }
-  
-  if( request.hasOwnProperty("HangUp") ){
-    hangup(sendResponse);
-  }
-  
-  if( request.hasOwnProperty("checkCalling") ){
-    if(Listener_Dial == ""){
+    /*
+    case request.python_erreichbar:
+       CallMonitor_connnect();
+    break;
+    */
+    
+    case request.callListTransfer:
+      blink_missed("off");
       sendResponse({
-        "Listener_Dial": ""
+        callList: GL_call_list_popup,
+        callList_raw: GL_call_list_popup_raw
       });
-    }
-    else{
+    break;
+    
+    case request.phoneListTransfer:
       sendResponse({
-        "Listener_Dial": Listener_Dial.concat( returnNumberName(Listener_Dial[1]) )
+        phoneList: GL_phone_list_popup,
+        phoneList_raw: GL_phone_list_popup_raw
       });
-    }
-  }
-  
-  if( request.hasOwnProperty("checkSelectionNumber") ){  
-    sendResponse({
-      "callSelectionNumber": [Listener_SelectionNumber, returnNumberName(Listener_SelectionNumber)]
-    });
+    break;
     
-    Listener_SelectionNumber = "";
-  }
-  
-  if( request.hasOwnProperty("refresh_phonebook") ){
-    phoneList_start();
-  }
-  
-  if( request.hasOwnProperty("checkPython") ){
-    sendResponse({
-      "pythonCheck": GL_PythonListen.isRunning()
-    });
+    case request.call_test:
+      let info = request["call_test"].split(";")
+      //console.warn(info);
+      work(info);
+    break;
+    
+    case request.Call_Number:
+      //Nummer anrufen
+      callNumber( request["Call_Number"], sendResponse );
+      callNumber_check = true;
+      
+      //wenn nach 3 sek callNumber_check noch true ist, ist alles gut. Anstonsten gabe es probleme 
+      setTimeout(() => {
+        if(callNumber_check == true){
+          startGetDialConfig();
+        }
+      }, 3000);
+    break;
+    
+    case request.HangUp:
+      hangup(sendResponse);
+    break;
+    
+    case request.checkCalling:
+      if(Listener_Dial == ""){
+        sendResponse({
+          "Listener_Dial": ""
+        });
+      }
+      else{
+        sendResponse({
+          "Listener_Dial": Listener_Dial.concat( returnNumberName(Listener_Dial[1]) )
+        });
+      }
+    break;
+    
+    case request.checkSelectionNumber:
+      sendResponse({
+        "callSelectionNumber": [Listener_SelectionNumber, returnNumberName(Listener_SelectionNumber)]
+      });
+      
+      Listener_SelectionNumber = "";
+    break;
+    
+    case request.refresh_phonebook:
+      phoneList_start();
+    break;
+    
+    case request.checkPython:
+      sendResponse({
+        "pythonCheck": GL_PythonListen.isRunning()
+      });
+    break;
   }
 })
 
diff --git a/options.js b/options.js
index 83759ca..5a970a3 100644
--- a/options.js
+++ b/options.js
@@ -620,7 +620,7 @@ save_button.addEventListener("click", function(){
   );
   */
   
-   GL_accessAllWebsitesPermission[0] != check_url_Fbox();
+   GL_accessAllWebsitesPermission[0] = !check_url_Fbox();
    GL_accessAllWebsitesPermission[1] = check_tel_link.checked;
   accessAllWebsites(-1);
   
@@ -768,7 +768,7 @@ function init(x){
     change_volume(tmp);
     
     //Rechte für alle Seiten entfernen, wenn es nicht mehr gebruacht wird
-    GL_accessAllWebsitesPermission[0] != check_url_Fbox();
+    GL_accessAllWebsitesPermission[0] = !check_url_Fbox();
     GL_accessAllWebsitesPermission[1] = check_tel_link.checked;
     accessAllWebsites(-1);
   }
diff --git a/telLink.js b/telLink.js
index 9386c1e..adeb285 100644
--- a/telLink.js
+++ b/telLink.js
@@ -1,32 +1,56 @@
-function telLinkClick(evt){
-  let target = evt.target
+try{
+  //try - beim 1. mal gibt es varListen noch nicht. wenn executeScript erneut ausgeführt wird, wird das Skript fortlaufend unten angehängt
+  browser.runtime.onMessage.removeListener(varListen); //vorherige Listener löschen
+}
+catch(e){}
+
+
+controller = new AbortController();
+
+varTelLinkClick = function telLinkClick(evt){
   
-  if(target.tagName == "A" && target.protocol == "tel:"){
-    
-    evt.preventDefault(); //Linkausführung verhindern
-    
-    
-    let tel = target.href.slice(4).trim().replace(/[^0-9()+*]/g, "");
-    if(tel != ""){
-      let x = confirm( browser.i18n.getMessage("pop_askNumberText_Number", [tel]) )
-      if(x == true){        
-        browser.runtime.sendMessage({
-          "Call_Number": tel
-        });
-      }
+  evt.preventDefault(); //Linkausführung verhindern
+  
+  
+  let tel = this.href.replace(/[^0-9()+*]/g, "");
+  if(tel != ""){
+    let x = confirm( browser.i18n.getMessage("pop_askNumberText_Number", [tel]) )
+    if(x == true){        
+      browser.runtime.sendMessage({
+        "Call_Number": tel
+      });
     }
-    
   }
   
 }
 
 
-browser.runtime.onMessage.addListener(function (request, sender, sendResponse){
+varListen = function (request, sender, sendResponse){
   //console.log("rec", request)
   if( request.hasOwnProperty("telLink_func_destroy") ){
-    document.removeEventListener("click", telLinkClick);
+    //document.removeEventListener("click", varTelLinkClick);
+    controller.abort(); // entfernt alle Listener vom Addon auf der Seite
   }
-});
+}
+
+
+
+
+for(tagName of document.getElementsByTagName("a")){
+  if(tagName.protocol == "tel:"){
+    console.log(tagName)
+    
+    tagName.addEventListener("click", varTelLinkClick, { signal: controller.signal });
+  }
+}
+
+browser.runtime.onMessage.addListener(varListen);
+
+
+
+
+
+
+
+
 
-document.removeEventListener("click", telLinkClick); //falls noch alter listerner da war
-document.addEventListener("click", telLinkClick);
\ No newline at end of file