diff --git a/src/app/sys-check/unit-check/tc-navi-buttons/tc-navi-buttons.component.ts b/src/app/sys-check/unit-check/tc-navi-buttons/tc-navi-buttons.component.ts
index 579d40f492f22559377f5027143d658634694def..fbaa55e2f646e08dc38bc7c98b0868591a038793 100644
--- a/src/app/sys-check/unit-check/tc-navi-buttons/tc-navi-buttons.component.ts
+++ b/src/app/sys-check/unit-check/tc-navi-buttons/tc-navi-buttons.component.ts
@@ -1,4 +1,4 @@
-import { SyscheckDataService } from './../../syscheck-data.service';
+import { SyscheckDataService } from '../../syscheck-data.service';
 import { Component, OnInit } from '@angular/core';
 
 @Component({
@@ -12,7 +12,7 @@ export class TcNaviButtonsComponent {
   private pageNextEnabled = false;
 
   constructor(private ds: SyscheckDataService) {
-    // this.ds.showNaviButtons$.subscribe(show => this.showPageNaviButtons = show);
+
     this.ds.itemplayerValidPages$.subscribe((pages: string[]) => this.showPageNaviButtons = pages.length  > 1);
     this.ds.itemplayerCurrentPage$.subscribe((p: string) => {
       const validPages = this.ds.itemplayerValidPages$.getValue();
@@ -23,8 +23,8 @@ export class TcNaviButtonsComponent {
     });
   }
 
-  // *******************************************************************************************************
   prevPageNaviButtonClick() {
+
     const validPages = this.ds.itemplayerValidPages$.getValue();
     const p = this.ds.itemplayerCurrentPage$.getValue();
     const pagePos = validPages.indexOf(p);
@@ -33,6 +33,7 @@ export class TcNaviButtonsComponent {
     }
   }
   nextPageNaviButtonClick() {
+
     const validPages = this.ds.itemplayerValidPages$.getValue();
     const p = this.ds.itemplayerCurrentPage$.getValue();
     const pagePos = validPages.indexOf(p);