Web Server GET / Reset

Hi,
I am trying to reset the “GET / HTTP/1.1” string for a web server.
I cannot seem to figure out what I need to print to the client to effectively clear the line.
Any assistance would be greatly appreciated.

below is the server section I am using in my code.

 EthernetClient client = server.available(); //Checks for Available Client
  if (client) { //Execute if a Client is Connected
    PreviousMillis = millis();
    Serial.println("new client"); //Display Client Connection Message in Serial Monitor
    boolean currentLineIsBlank = true; //HTTP Request Ends with a Blank LIne
    while (client.connected()) { //Execute While Client is Connected
      if (client.available()) { //Execute if Client is Connected and Available
        char ClientInfo = client.read(); //Assign Client Information to Variable
        Serial.write(ClientInfo); //Display Client Information in Serial Monitor
        OnlineButton+= ClientInfo;
        if (ClientInfo == '\n' && currentLineIsBlank) { //Executre if the Current Line is Blank
          while(client.available()) { //Execute While Client is Available
            char IDPass = client.read();  //Assign Next "POST" Character to Variable
            Serial.write(IDPass); //Display POST Information in Serial Monitor
            IDBuffer+= IDPass; //Assign Complete POST Information to Buffer Variable
          }
          IDBuffer.replace("_","");
          IDBuffer.replace("=","");
          IDBuffer.replace("&", ":");
          counter = IDBuffer.length();
          counter = counter + 1;
          IDBuffer.toCharArray(OnlineEncodeBuffer,counter);
          IDBuffer = "";
          for(int x  = 0; x <counter ; x++){
            EncodeBuffer = OnlineEncodeBuffer[x];
            Encode();
            IDBuffer = IDBuffer + EncodeBuffer;;
            EncodeBuffer = 0;
          }
          while(counter != 0){
            counter--;
            OnlineEncodeBuffer[counter] = 0;
          }
//=================================================
//=============== Web Page Display Header =========
//=================================================
          client.println("HTTP/1.1 200 OK"); //
          client.println("Content-Type: text/html");
          client.println("Connnection: close");
          client.println();
          client.println("<!DOCTYPE HTML>");
          client.println("<html>");
//=================================================
//=============== Main Login ======================
//=================================================
          if (ValidID == 0) { //Execute if not Logged in
            client.print ("<form method=post>"); //Begin Form Method,Post
            client.print ("User ID:"); //Display User ID Label on Page
            client.print ("
"); //Line Break
            client.print ("<input type=username name=_ size=25>"); //User ID Input Box Setup
            client.print ("
"); //Line Break
            client.print ("Password:"); //Display Password Label on Page
            client.print ("
"); //Line Break
            client.print ("<input type=password name=_ size=25>"); //Password Input Box Setup
            client.print ("
"); //Line Break
            client.print (" <input type=submit value=Login>"); //Submission Button Setup
            client.print ("</form>"); //End From
            if (IDBuffer != "" && ValidID == 0) {
              LoginFile = SD.open("Login.txt");
              if (LoginFile) {
                while (LoginFile.available()) { //Executes if Log File is not Empty
                  GetID = LoginFile.read(); //Assign Login File Information to Variable
                  if (index < 99) { //Execute if String is Less Than Constant
                    inData[index] = GetID ; //Assign Next Variable to Current Index NUmber
                    index++; // Increment Where to Write Next
                    inData[index] = '\0'; //Null Terminate the String
                  } //End of Variable Assignment
                  IDFromFile = IDFromFile + GetID;
                } //End of While Loop
                if (IDFromFile.indexOf(IDBuffer)>=0) {
                  Serial.println("Logged In");
                  ValidID = 1;
                  client.print("<meta http-equiv=\"refresh\" content=\"0\">"); //Instant Page Refresh
                }
                else {
                  Serial.println("Invalid Login");
                  client.print ("Invalid ID Please Try Again"); //Display Password Label on Page
                  ValidID = 0;
                  client.print("<meta http-equiv=\"refresh\" content=\"0\">"); //Instant Page Refresh
                }
              } //End of File Open
              else{
                 Serial.write("Login File Failed to Open");
              }
              LoginFile.close(); //Close Login File
              digitalWrite(W5200_CS,HIGH); //Disconnect Ethernet Chip
              SendLogtoMain(); //Send Data to Main Brain
            }
            else { //Execute if Data File is not Open
              Serial.println("Login Entry Failed");
            }
            digitalWrite(SDCARD_CS,HIGH); //Disconnect SD Card
          } //End of Buffer Null Check              
          IDBuffer = ""; //Clear User Input
// =================================================
// =============== Logged In/Display Data ==========
// =================================================
          if (ValidID == 1)  { //Execute if Logged In
            client.print ("
"); //Line Break
            client.println("<input type=button value=Send_Report onmousedown=location.href='/?Send4;'>");
            client.print ("
"); //Line Break
            if (MainAlarm == HIGH){
              client.print ("Alert Alarm Is Active!!"); //Display New User ID Label on Page
              client.print ("
"); //Line Break
            }
            if (DeadModule == HIGH){
              client.print ("Alert A Module is Dead!!"); //Display New User ID Label on Page
              client.print ("
"); //Line Break
            }        
            client.println("<meta http-equiv=\"refresh\" content=\"5\">"); //Refresh Page Every 5 Seconds
            for (int nodeAddress = START_NODE; nodeAddress <= NODE_MAX; nodeAddress++) { // we are starting from Node address 2
              Wire.requestFrom(nodeAddress, PAYLOAD_SIZE);    // request data from node#
              if(Wire.available() == PAYLOAD_SIZE) {  // if data size is avaliable from nodes
                for (int i = 0; i < PAYLOAD_SIZE; i++) nodePayload[i] = Wire.read();  // get nodes data
                for (int j = 0; j < PAYLOAD_SIZE; j++) client.println(nodePayload[j]);   // print nodes data  
                client.println("
"); //Line Break      
              }
            }
            delay(NODE_READ_DELAY);
          }
//=================================================
//=============== End Server Client Connection ====
//=================================================
          client.println("</html>"); //End HTML
          break; //Disconnect from "While Client Connected" Loop
        }
        if (ClientInfo == '\n') { //Execute if Next Line is Blank
          currentLineIsBlank = true; //Set New Line Variable to True
        }
        else if (ClientInfo != '\r') { //Executre if New Line
          currentLineIsBlank = false; //Set New Line Variable to False
        }
      }
    }
    delay(200); //.2 Second Delay
    client.stop(); //Close Connection to Client
    Serial.println("client disonnected"); //Display Client Disconnected Message in Serial Monitor
    Serial.println("ValidID: "); //Display Id Variable Label in Serial Monitor
    Serial.println(ValidID); //Display Current ID Varialbe in Serial Monitor
  } //End Of Client
  if (OnlineButton.indexOf(SendButton)>=0 && ReportSent == 0){
    //digitalWrite(22, HIGH);

//RESET GET HERE!!!

    client.flush();
    delay(3000);
    ValidID = 0;
    //digitalWrite(22, LOW);
  }
  CurrentMillis = millis (); //Assign Current Millis to CurrentMillis
  if (CurrentMillis - PreviousMillis > 30000) {//Execute if Designated Time has passed
    ValidID = 0;
    ReportSent = 0;
    OnlineButton = "";
  }
}

Thanks!

Solved it, added a meta refresh to the original HTTP after clicking the button and setting a flag, and that did it.