diff --git a/Praktikum2/AufgabePrak2A.pdf b/Praktikum2/AufgabePrak2A.pdf
index 805da36..c30bad1 100644
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diff --git a/Praktikum2/ppm1/app/__pycache__/__init__.cpython-35.pyc b/Praktikum2/ppm1/app/__pycache__/__init__.cpython-35.pyc
index cbc0267..245d099 100644
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diff --git a/Praktikum2/ppm1/app/__pycache__/application.cpython-35.pyc b/Praktikum2/ppm1/app/__pycache__/application.cpython-35.pyc
index 8d86f70..7b1db4d 100644
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diff --git a/Praktikum2/ppm1/app/__pycache__/database.cpython-35.pyc b/Praktikum2/ppm1/app/__pycache__/database.cpython-35.pyc
index f3200f4..96cdd88 100644
Binary files a/Praktikum2/ppm1/app/__pycache__/database.cpython-35.pyc and b/Praktikum2/ppm1/app/__pycache__/database.cpython-35.pyc differ
diff --git a/Praktikum2/ppm1/app/__pycache__/view.cpython-35.pyc b/Praktikum2/ppm1/app/__pycache__/view.cpython-35.pyc
index e14dd6c..a9040be 100644
Binary files a/Praktikum2/ppm1/app/__pycache__/view.cpython-35.pyc and b/Praktikum2/ppm1/app/__pycache__/view.cpython-35.pyc differ
diff --git a/Praktikum2/ppm1/app/application.py b/Praktikum2/ppm1/app/application.py
index df8b4e0..6db7bb9 100644
--- a/Praktikum2/ppm1/app/application.py
+++ b/Praktikum2/ppm1/app/application.py
@@ -58,12 +58,10 @@ class Application_cl(object):
     @cherrypy.expose
 
     #-------------------------------------------------------
-    def delete(self, id, form=None): 
+    def delete(self, cat=None, id=None): 
     #-------------------------------------------------------
-        # Eintrag löschen, dann Liste neu anzeigen
-        self.db_o.delete_px(id)
-        print("Delete",form)
-        return self.createList_p(form)
+        print("Delete",cat,id)
+        return self.GenerateDelete(cat, id)
     @cherrypy.expose
     
     #-------------------------------------------------------
@@ -125,4 +123,13 @@ class Application_cl(object):
             self.db.Save(dataTmp, category)
             return self.GenerateList(category)
 
+    #-------------------------------------------------------
+    def GenerateDelete(self, category, id):
+    #-------------------------------------------------------
+        if(category == None or id == None):
+            return self.view.CreateIndex()
+        else:
+            self.db.Delete(category, id)
+            return self.GenerateList(category)
+
 #EOF
\ No newline at end of file
diff --git a/Praktikum2/ppm1/app/database.py b/Praktikum2/ppm1/app/database.py
index 4ff87e5..b252136 100644
--- a/Praktikum2/ppm1/app/database.py
+++ b/Praktikum2/ppm1/app/database.py
@@ -85,7 +85,7 @@ class Database_cl(object):
     #-------------------------------------------------------
         status_b = False
         if id in self.data[category]:
-            os.remove(os.path.join('data', category, id+'json'))
+            os.remove(os.path.join('data', category, id+'.json'))
             del self.data[category][id]
         
         return status_b
diff --git a/Praktikum2/ppm1/data/companies/0.json b/Praktikum2/ppm1/data/companies/0.json
deleted file mode 100644
index b043baf..0000000
--- a/Praktikum2/ppm1/data/companies/0.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-   "anzahlMitarbeiter": "anzahlMitarbeiter",
-   "schwerpunkt": "schwerpunkt",
-   "id": "0",
-   "sitz": "sitz",
-   "branche": "branche",
-   "name": "name"
-}
\ No newline at end of file
diff --git a/Praktikum2/ppm1/data/offerings/0.json b/Praktikum2/ppm1/data/offerings/0.json
deleted file mode 100644
index 68841ca..0000000
--- a/Praktikum2/ppm1/data/offerings/0.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-   "voraussetzungen": "voraussetzungen",
-   "beschreibung": "beschreibung",
-   "firmenbetreuer": "firmenbetreuer",
-   "company": "company",
-   "id": "0",
-   "name": "name"
-}
\ No newline at end of file
diff --git a/Praktikum2/ppm1/data/students/33.json b/Praktikum2/ppm1/data/students/33.json
deleted file mode 100644
index 2e62f63..0000000
--- a/Praktikum2/ppm1/data/students/33.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-   "vorname": "vorname3",
-   "name": "name3",
-   "id": "33",
-   "matrikelnummer": "3"
-}
\ No newline at end of file
diff --git a/Praktikum2/ppm1/data/students/34.json b/Praktikum2/ppm1/data/students/34.json
deleted file mode 100644
index 223fa94..0000000
--- a/Praktikum2/ppm1/data/students/34.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-   "vorname": "vorname2",
-   "name": "name2",
-   "id": "34",
-   "matrikelnummer": "2"
-}
\ No newline at end of file
diff --git a/Praktikum2/ppm1/data/students/35.json b/Praktikum2/ppm1/data/students/35.json
deleted file mode 100644
index c51c230..0000000
--- a/Praktikum2/ppm1/data/students/35.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-   "vorname": "vorname1",
-   "name": "name1",
-   "id": "35",
-   "matrikelnummer": "1"
-}
\ No newline at end of file
diff --git a/Praktikum2/ppm1/data/teachers/0.json b/Praktikum2/ppm1/data/teachers/0.json
deleted file mode 100644
index 8f598bd..0000000
--- a/Praktikum2/ppm1/data/teachers/0.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-   "titel": "titel",
-   "id": "0",
-   "lehrgebiet": "lehrgebiet",
-   "name": "name",
-   "vorname": "vorname"
-}
\ No newline at end of file
diff --git a/Praktikum2/ppm1/static/functions.js b/Praktikum2/ppm1/static/functions.js
index 43c6849..e6781de 100644
--- a/Praktikum2/ppm1/static/functions.js
+++ b/Praktikum2/ppm1/static/functions.js
@@ -3,7 +3,7 @@ var selected = table.getElementsByClassName('selected');
 var selectedId = 'None';
 table.onclick = highlight;
 
-function select(category) {
+function select(category, mode) {
     var id = selectedId;
     if (id == 'None')
     {
@@ -11,7 +11,19 @@ function select(category) {
     }
     else
     {
+      if(mode == 0){
         window.location.href = '/detail/?cat=' + category + '&id=' + id;
+      }
+      else {
+        var result = confirm("Sind Sie sicher, dass der Eintrag gelöscht werden soll?");
+        if(result) {
+          window.location.href = '/delete/?cat=' + category + '&id=' + id;   
+          return true;
+        }
+        else {
+          return false;
+        }
+      }
     }
 }
 
diff --git a/Praktikum2/ppm1/static/img/logo.png b/Praktikum2/ppm1/static/img/logo.png
new file mode 100644
index 0000000..40801c4
Binary files /dev/null and b/Praktikum2/ppm1/static/img/logo.png differ
diff --git a/Praktikum2/ppm1/static/style.css b/Praktikum2/ppm1/static/style.css
index 9390cb4..10ad1ad 100644
--- a/Praktikum2/ppm1/static/style.css
+++ b/Praktikum2/ppm1/static/style.css
@@ -19,12 +19,26 @@ body {
    text-align: center;
    text-shadow:black 3px 2px;
    font-family: "Open Sans", sans-serif;
-   color: #FFFFFF;
    background-color: #084791;
    border: none;
    border-radius: 60px;
 }
 
+.clSiteHeader a {
+   text-decoration: none;
+   color: white;
+}
+
+.clSiteHeader:hover {
+   background-color: #0D71E4;
+   cursor: pointer;
+}
+
+.clSiteHeader a:visited, a:active {
+   color: white;
+   text-decoration: none;
+}
+
 .clContent {
    position: absolute;
    top: 150px;  /* height, padding, border, margin von idSiteHeader beachten */
@@ -33,7 +47,7 @@ body {
    bottom: 0;
    margin: 0;
    padding: 5px;
-   background-image: url("https://lionel.kr.hs-niederrhein.de/logo_hs_02.png");
+   background-image: url("/img/logo.png");
    background-repeat: no-repeat;
    background-position: bottom left;
 }
diff --git a/Praktikum2/ppm1/templates/detail.tpl b/Praktikum2/ppm1/templates/detail.tpl
index 0bbc301..20133c3 100644
--- a/Praktikum2/ppm1/templates/detail.tpl
+++ b/Praktikum2/ppm1/templates/detail.tpl
@@ -2,7 +2,7 @@
 <html>
    <head>
       <title>
-          Praxisphasenmanager (PPM)
+         Praxisphasenmanager (PPM)
       </title>
       <meta charset="UTF-8" />
       <style type="text/css">
@@ -11,11 +11,20 @@
    </head>
    <body>
       <h1 id="idSiteHeader" class="clSiteHeader">
-         ${data['category']}: Ihre Daten
+         <a href="/index" title="Zur&uumlck zur Startseite">Praxisphasenmanager (PPM)</a>
       </h1>
+
       <form id="idForm" class="clContent" action="/save/?cat=${data['category']}" method="POST">
          <h2 id="idContentHeader" class="clContentHeader">
-            Das Formular ausf&uumlllen/korrigieren und auf "speichern" klicken: 
+            % if data['category'] == 'students':
+               Studenten: Ihre Daten
+            % elif data['category'] == 'teachers':
+               Lehrende: Ihre Daten
+            % elif data['category'] == 'companies':
+               Firmen: Ihre Daten
+            % elif data['category'] == 'offerings':
+               Angebote: Ihre Daten
+            % endif
          </h2>
          <div id="idContentArea" class="clContentArea">
             <input type="hidden" value="${data['id']}" id="id" name="id" />
@@ -30,7 +39,8 @@
             % endfor
 
             <div id="idButtonArea" class="clButtonArea">
-               <a href="/index" title="Zurueck zur Startseite">Zurueck</a>
+               <a href="/index" title="Zur&uumlck zur Startseite">Zur&uumlck zur Startseite</a>
+               <a href="/category/?cat=${data['category']}" title="Zurueck zur Startseite">Zur&uumlck zur &uumlbersicht</a>
                <input type="submit" value="Speichern" />
             </div>
          </div>
diff --git a/Praktikum2/ppm1/templates/index.tpl b/Praktikum2/ppm1/templates/index.tpl
index 2a06463..a38fd7a 100644
--- a/Praktikum2/ppm1/templates/index.tpl
+++ b/Praktikum2/ppm1/templates/index.tpl
@@ -11,7 +11,7 @@
    </head>
    <body>
       <h1 id="idSiteHeader" class="clSiteHeader">
-         Praxisphasenmanager (PPM)
+         <a href="/index" title="Zur&uumlck zur Startseite">Praxisphasenmanager (PPM)</a>
       </h1>
       <div class="clContent">
         <h2 id="idContentHeader" class="clContentHeader">Module</h2>
diff --git a/Praktikum2/ppm1/templates/list.tpl b/Praktikum2/ppm1/templates/list.tpl
index ea8a5ce..0689a7c 100644
--- a/Praktikum2/ppm1/templates/list.tpl
+++ b/Praktikum2/ppm1/templates/list.tpl
@@ -12,7 +12,7 @@
    <body>
 
       <h1 id="idSiteHeader" class="clSiteHeader">
-         Praxisphasenmanager (PPM)
+         <a href="/index" title="Zur&uumlck zur Startseite">Praxisphasenmanager (PPM)</a>
       </h1>
       <div id="idContent" class="clContent">
          <h2 id="idContentHeader" class="clContentHeader">
@@ -61,7 +61,8 @@
          <div id="idButtonArea" class="clButtonArea"> 
             <a href="/index" class="clButton">Startseite</a>
             <a href="/detail/?cat=${data['category']}" class="clButton">Neu</a>
-            <a class="clButton" onclick="select('${data['category']}')">Bearbeiten</a>
+            <a class="clButton" onclick="select('${data['category']}', 0)">Bearbeiten</a>
+            <a class="clButton" onclick="select('${data['category']}', 1)">Loeschen</a>
          </div> 
       </div>
    </body>