diff --git a/PR2Bib/src/guiBib/BibliothekGUI.java b/PR2Bib/src/guiBib/BibliothekGUI.java
index e1fc3ee..e7d8774 100644
--- a/PR2Bib/src/guiBib/BibliothekGUI.java
+++ b/PR2Bib/src/guiBib/BibliothekGUI.java
@@ -21,8 +21,20 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 		JPanel loginPanel = new JPanel(new BorderLayout());
 		JLabel text1 = new JLabel("Login mit Kennnummer:");
 		loginPanel.add(text1, BorderLayout.NORTH);
+		JPanel loginGrid = new JPanel(new BorderLayout());
 		JTextField field1 = new JTextField(20);
-		loginPanel.add(field1, BorderLayout.CENTER);
+		loginGrid.add(field1);
+		loginPanel.add(loginGrid, BorderLayout.CENTER);
+		JButton b0 = new JButton("Registrieren");
+		b0.addActionListener(e -> { nutzerAnlegen();});
+		JButton b3 = new JButton("Ohne Anmeldung fortfahren");
+		b3.addActionListener(e -> {
+			browseMedia();
+		});	
+		JPanel buttonGrid = new JPanel(new GridLayout(1,2,10,10));
+		buttonGrid.add(b0);
+		buttonGrid.add(b3);
+		loginGrid.add(buttonGrid, BorderLayout.SOUTH);
 		JPanel bp = new JPanel(new GridLayout(1,2,10,10));
 		JButton b1 = new JButton("Abbrechen");
 		b1.addActionListener(e -> dispose());
@@ -48,6 +60,36 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 		cl.show(mainPanel, "loginPanel");
 	}
 	
+	private void browseMedia() {
+		JPanel browsePanel = new JPanel(new GridLayout(6, 1, 10, 10));
+		JButton b1 = new JButton("Bücher");
+		Kunde k = null;
+		b1.addActionListener(e -> bookMenu(k));
+		JButton b2 = new JButton("DVDs");
+		b2.addActionListener(e -> dvdMenu(k));
+		JButton b3 = new JButton("CDs");
+		b3.addActionListener(e -> cdMenu(k));
+		JButton b4 = new JButton("Brettspiele");
+		b4.addActionListener(e -> bsMenu(k));
+		JButton b5 = new JButton("Videospiele");
+		b5.addActionListener(e -> vsMenu(k));
+		JButton b6 = new JButton("OK");
+		b6.addActionListener(e -> cl.show(mainPanel, "loginPanel"));
+		browsePanel.add(b1);
+		browsePanel.add(b2);
+		browsePanel.add(b3);
+		browsePanel.add(b4);
+		browsePanel.add(b5);
+		browsePanel.add(b6);
+		mainPanel.add(browsePanel, "browsePanel");
+		cl.show(mainPanel, "browsePanel");
+	}
+
+	private void nutzerAnlegen() {
+		// TODO Auto-generated method stub
+		
+	}
+
 	private static void openAdmin() {
 		JPanel adminPanel = new JPanel(new BorderLayout());
 		JPanel adminGrid = new JPanel(new GridLayout(2, 1, 10, 10));
@@ -90,15 +132,15 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 		JLabel text1 = new JLabel("Ihre Kennnnummer: " + k.getKennnummer());
 		mediumPanel.add(text1);
 		JButton b1 = new JButton("Bücher");
-		b1.addActionListener(e -> bookMenu());
+		b1.addActionListener(e -> bookMenu(k));
 		JButton b2 = new JButton("DVDs");
-		b2.addActionListener(e -> dvdMenu());
+		b2.addActionListener(e -> dvdMenu(k));
 		JButton b3 = new JButton("CDs");
-		b3.addActionListener(e -> cdMenu());
+		b3.addActionListener(e -> cdMenu(k));
 		JButton b4 = new JButton("Brettspiele");
-		b4.addActionListener(e -> bsMenu());
+		b4.addActionListener(e -> bsMenu(k));
 		JButton b5 = new JButton("Videospiele");
-		b5.addActionListener(e -> vsMenu());
+		b5.addActionListener(e -> vsMenu(k));
 		JButton b6 = new JButton("Ausleihe");
 		b6.addActionListener(e -> ausleihenMenü(k));
 		JButton b7 = new JButton("Rückgabe");
@@ -220,7 +262,7 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 		cl.show(mainPanel, "Rückgabe");
 	}
 
-	private static void bookMenu() {
+	private static void bookMenu(Kunde k) {
 		int i = Bibliothek.bücherLänge();
 			JPanel buchMenü = new JPanel(new GridLayout(i+2, 2, 10, 10));
 			JLabel text0 = new JLabel("Ausleihe für 4 Wochen, bis zu 3 Mal verlängerbar.");
@@ -230,13 +272,18 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 				buchMenü.add(j);
 			}
 			JButton b1 = new JButton("OK");
-			b1.addActionListener(e -> cl.show(mainPanel, "mediumPanel"));
+			b1.addActionListener(e -> {
+				if(k == null) {
+					cl.show(mainPanel, "browsePanel");
+				} else {
+					cl.show(mainPanel, "mediumPanel");}
+			});
 			buchMenü.add(b1, BorderLayout.SOUTH);
 			mainPanel.add(buchMenü, "Bücher");
 			cl.show(mainPanel, "Bücher");
 	}
 	
-	private static void dvdMenu() {
+	private static void dvdMenu(Kunde k) {
 		int i = Bibliothek.dvdLänge();
 			JPanel dvdMenü = new JPanel(new GridLayout(i+2, 2, 10, 10));
 			JLabel text0 = new JLabel("Ausleihe für 1 Woche, keine Verlängerung.");
@@ -246,13 +293,18 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 				dvdMenü.add(j);
 			}
 			JButton b1 = new JButton("OK");
-			b1.addActionListener(e -> cl.show(mainPanel, "mediumPanel"));
+			b1.addActionListener(e -> {
+				if(k == null) {
+					cl.show(mainPanel, "browsePanel");
+				} else {
+					cl.show(mainPanel, "mediumPanel");}
+			});
 			dvdMenü.add(b1, BorderLayout.SOUTH);
 			mainPanel.add(dvdMenü, "DVDs");
 			cl.show(mainPanel, "DVDs");
 	}
 	
-	private static void cdMenu() {
+	private static void cdMenu(Kunde k) {
 		int i = Bibliothek.cdLänge();
 			JPanel cdMenü = new JPanel(new GridLayout(i+2, 2, 10, 10));
 			JLabel text0 = new JLabel("Ausleihe für 2 Wochen, keine Verlängerung.");
@@ -262,13 +314,17 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 				cdMenü.add(j);
 			}
 			JButton b1 = new JButton("OK");
-			b1.addActionListener(e -> cl.show(mainPanel, "mediumPanel"));
-			cdMenü.add(b1, BorderLayout.SOUTH);
+			b1.addActionListener(e -> {
+				if(k == null) {
+					cl.show(mainPanel, "browsePanel");
+				} else {
+					cl.show(mainPanel, "mediumPanel");}
+			});			cdMenü.add(b1, BorderLayout.SOUTH);
 			mainPanel.add(cdMenü, "CDs");
 			cl.show(mainPanel, "CDs");
 	}
 	
-	private static void bsMenu() {
+	private static void bsMenu(Kunde k) {
 		int i = Bibliothek.bsLänge();
 			JPanel bsMenü = new JPanel(new GridLayout(i+2, 2, 10, 10));
 			JLabel text0 = new JLabel("Ausleihe für 2 Wochen, keine Verlängerung.");
@@ -278,13 +334,17 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 				bsMenü.add(j);
 			}
 			JButton b1 = new JButton("OK");
-			b1.addActionListener(e -> cl.show(mainPanel, "mediumPanel"));
-			bsMenü.add(b1, BorderLayout.SOUTH);
+			b1.addActionListener(e -> {
+				if(k == null) {
+					cl.show(mainPanel, "browsePanel");
+				} else {
+					cl.show(mainPanel, "mediumPanel");}
+			});			bsMenü.add(b1, BorderLayout.SOUTH);
 			mainPanel.add(bsMenü, "Brettspiele");
 			cl.show(mainPanel, "Brettspiele");
 		}
 	
-	private static void vsMenu() {
+	private static void vsMenu(Kunde k) {
 		int i = Bibliothek.vsLänge();
 			JPanel vsMenü = new JPanel(new GridLayout(i+2, 2, 10, 10));
 			JLabel text0 = new JLabel("Ausleihe für 4 Wochen, einmalige Verlängerung möglich.");
@@ -294,8 +354,12 @@ public class BibliothekGUI extends JFrame implements ActionListener{
 				vsMenü.add(j);
 			}
 			JButton b1 = new JButton("OK");
-			b1.addActionListener(e -> cl.show(mainPanel, "mediumPanel"));
-			vsMenü.add(b1, BorderLayout.SOUTH);
+			b1.addActionListener(e -> {
+				if(k == null) {
+					cl.show(mainPanel, "browsePanel");
+				} else {
+					cl.show(mainPanel, "mediumPanel");}
+			});			vsMenü.add(b1, BorderLayout.SOUTH);
 			mainPanel.add(vsMenü, "Videospiele");
 			cl.show(mainPanel, "Videospiele");
 		}