void LAN()
{
  EthernetClient client = server.available();
  digitalWrite(30, HIGH);
  Serial.println("Test lan start");

  if (client) {
    while (client.connected()) {
      if (client.available()) {
        char c = client.read();
        Serial.println("Lan test 2");

        if (readString.length() < 100) {

          readString = readString + c; // insert by Katsu
          // very simple but it works...
        }
        if (c == '\n') {  //if HTTP request has ended

          if (readString.indexOf("0=einschalten") > -1) {
            //  digitalWrite(Pin0, HIGH);
            Serial.println("Pin 0 eingeschaltet!");
            Pin0ON = true;
          }
          if (readString.indexOf("0=ausschalten") > -1) {
            // digitalWrite(Pin0, LOW);
            Serial.println("Pin 0 ausgeschaltet!");
            Pin0ON = false;
          }
          if (readString.indexOf("1=einschalten") > -1) {
            //  digitalWrite(Pin1, HIGH);
            Serial.println("Pin 1 eingeschaltet!");
            Pin1ON = true;
          }
          if (readString.indexOf("1=ausschalten") > -1) {
            // digitalWrite(Pin1, LOW);
            Serial.println("Pin 1 ausgeschaltet!");
            Pin1ON = false;
          }
          if (readString.indexOf("2=einschalten") > -1) {
            //  digitalWrite(Pin2, HIGH);
            Serial.println("Pin 2 eingeschaltet!");
            Pin2ON = true;
          }
          if (readString.indexOf("2=ausschalten") > -1) {
            // digitalWrite(Pin2, LOW);
            Serial.println("Pin 2 ausgeschaltet!");
            Pin2ON = false;
          }
          if (readString.indexOf("3=einschalten") > -1) {
            //  digitalWrite(Pin3, HIGH);
            Serial.println("Pin 3 eingeschaltet!");
            Pin3ON = true;
          }
          if (readString.indexOf("3=ausschalten") > -1) {
            // digitalWrite(Pin3, LOW);
            Serial.println("Pin 3 ausgeschaltet!");
            Pin3ON = false;
          }
          if (readString.indexOf("4=einschalten") > -1) {
            //  digitalWrite(Pin4, HIGH);
            Serial.println("Pin 4 eingeschaltet!");
            Pin4ON = true;
          }
          if (readString.indexOf("4=ausschalten") > -1) {
            // digitalWrite(Pin4, LOW);
            Serial.println("Pin 4 ausgeschaltet!");
            Pin4ON = false;
          }
          if (readString.indexOf("5=einschalten") > -1) {
            //  digitalWrite(Pin5, HIGH);
            Serial.println("Pin 5 eingeschaltet!");
            Pin5ON = true;
          }
          if (readString.indexOf("5=ausschalten") > -1) {
            // digitalWrite(Pin5, LOW);
            Serial.println("Pin 5 ausgeschaltet!");
            Pin5ON = false;
          }
          if (readString.indexOf("6=einschalten") > -1) {
            //  digitalWrite(Pin6, HIGH);
            Serial.println("Pin 6 eingeschaltet!");
            Pin6ON = true;
          }
          if (readString.indexOf("6=ausschalten") > -1) {
            // digitalWrite(Pin6, LOW);
            Serial.println("Pin 6 ausgeschaltet!");
            Pin6ON = false;
          }
          if (readString.indexOf("7=einschalten") > -1) {
            //  digitalWrite(Pin7, HIGH);
            Serial.println("Pin 7 eingeschaltet!");
            Pin7ON = true;
          }
          if (readString.indexOf("7=ausschalten") > -1) {
            // digitalWrite(Pin7, LOW);
            Serial.println("Pin 7 ausgeschaltet!");
            Pin7ON = false;
          }
          if (readString.indexOf("8=ausschalten") > -1) {
            // digitalWrite(Pin8, LOW);
            Serial.println("Pin 8 ausgeschaltet!");
            Pin8ON = false;
          }
          if (readString.indexOf("all=Alles+aus") > -1) {
            //digitalWrite(Pin0, LOW);
           // bis 8 nach erweitern
            Serial.println("Alles ausgeschaltet");
            Pin0ON = false;
            Pin1ON = false;
            Pin2ON = false;
            Pin3ON = false;
            Pin4ON = false;
            Pin5ON = false;
            Pin6ON = false;
            Pin7ON = false;
            Pin8ON = false;
          }
          Serial.println("Hallo2");
          //--------------------------HTML------------------------
          client.println("HTTP/1.1 200 OK");

          client.println("Content-Type: text/html");

          client.println();

          client.print("<html><head>");

          client.print("<title>Webserver</title>");

          client.println("<meta http-equiv=refresh content=30;>"); //(erneuern der seite nach 30 sek!

          client.println("</head>");

          client.print("<body bgcolor='#999999'>");

          //---Überschrift---
          client.println("<br><hr />");

          client.println("<h1><div align='center'><font color='#2076CD'>Webserver </font color></div></h1>");

          client.println("<hr /><br>");
          //---Überschrift---

          //---Ausgänge schalten---
          client.println("<div align='left'><font face='Verdana' color='#FFFFFF'>Ausg&auml;nge schalten:</font></div>");

          client.println("<br>");

          client.println("<table border='1' width='500' cellpadding='5'>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 0<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=0 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=0 value='ausschalten'></form></td>");

          if (Pin0ON)
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");

          client.println("</tr>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 1<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=1 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=1 value='ausschalten'></form></td>");

          if (Pin1ON)
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");

          //---------------------------------------------------------------------------------------------------------------------------------------
          client.println("</tr>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 2<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=2 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=2 value='ausschalten'></form></td>");

          if (Pin2ON)
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");

          client.println("</tr>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 3<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=3 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=3 value='ausschalten'></form></td>");

          if (Pin3ON)
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");

          client.println("</tr>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 4<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=4 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=4 value='ausschalten'></form></td>");

          if (Pin4ON)
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");

          client.println("</tr>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 5<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=5 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=5 value='ausschalten'></form></td>");

          if (Pin5ON)
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");

          client.println("</tr>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 6<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=6 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=6 value='ausschalten'></form></td>");

          if (Pin6ON)
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");

          client.println("</tr>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 7<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=7 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=7 value='ausschalten'></form></td>");

          if (Pin7ON)
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");

          client.println("</tr>");

          client.println("<tr bgColor='#222222'>");

          client.println("<td bgcolor='#222222'><font face='Verdana' color='#CFCFCF' size='2'>Ausgang 8<br></font></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=8 value='einschalten'></form></td>");

          client.println("<td align='center' bgcolor='#222222'><form method=get><input type=submit name=8 value='ausschalten'></form></td>");

          if (Pin8ON) //hausarlarm
            client.println("<td align='center'><font color='green' size='5'>ON");
          else
            client.println("<td align='center'><font color='#CFCFCF' size='5'>OFF");


          client.println("</tr>");

          client.println("</tr>");

          client.println("</table>");

          client.println("<br>");

          client.println("<form method=get><input type=submit name=all value='Alles aus'></form>");

          client.println("</body></html>");
	Serial.println("Lan test 3");

          //clearing string for next read
          readString = "";
          //stopping client
          Serial.println("Hallo3");
          digitalWrite(30, LOW);
          client.stop();
          
        }