Untitled

#include <SPI.h>
#include <Ethernet.h>

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; //physical mac address
byte ip[] = { 192, 168, 0, 188 }; // ip in lan
byte gateway[] = { 192, 168, 0, 1 }; // internet access via router
byte subnet[] = { 255, 255, 255, 0 }; //subnet mask
EthernetServer server(8089); //server port

String readString;

//////////////////////

void setup(){


  pinMode(28, OUTPUT); //pin selected to control
  //start Ethernet
  Ethernet.begin(mac, ip, gateway, gateway, subnet);
  server.begin();

  //enable serial data print
  Serial.begin(9600);
  Serial.println("server multi pin button test 1.0"); // so I can keep track of what is loaded
}

void loop(){
  // Create a client connection
  EthernetClient client = server.available();
  if (client) {
    while (client.connected()) {
      if (client.available()) {
        char c = client.read();

        //read char by char HTTP request
        if (readString.length() < 100) {

          //store characters to string
          readString += c;
          //Serial.print(c);
        }

        //if HTTP request has ended
        if (c == '\n') {

          ///////////////
          Serial.println(readString); //print to serial monitor for debuging

          client.println("HTTP/1.1 200 OK"); //send new page
          client.println("Content-Type: text/html");
          client.println();

          client.println("<HTML>");
          client.println("<HEAD>");
          client.println("<TITLE>Arduino</TITLE>");
          client.println("</HEAD>");
          client.println("<BODY>");
          client.println("<br>");
          client.println("<br>");
          client.println("<H1><center>POR FAVOR ME AJUDA NESSE PROJETO </center></H1>");
          client.println("<br>");
          client.println("<br>");
          client.println("<H1><center>PARA LIGAR O LED E PRECISO  MANTER PRESSIONADO O BOTAO</center></H1>");
           client.println("<H1><center>PARA DESLIGAR O LED SOLTE O BOTAO </center></H1>");

          client.println("<br>");

          // custom buttons
          client.println("<div><table align='center' border=30  ><th><h7>");

          client.print("<input type=submit value=PRESSIONE style=width:200px;height:90px onClick=location.href='/?on28;'>");
          client.println("</div></table>");

          client.println("</BODY>");
          client.println("</HTML>");

          delay(1);
          //stopping client
          client.stop();

            if(readString.indexOf('8') >0)//checks for 8
          {
            digitalWrite(28, HIGH);    // set pin 8 high
            Serial.println("Led 8 On");

          }
           if(readString.indexOf('8') <0)//checks for 8
          {
            digitalWrite(28, LOW);    // set pin 8 low
            Serial.println("Led 8 Off");
          }

          //clearing string for next read
          readString="";

        }
      }
    }
  }
}