Speed slider extension

// Extension for SPEED slider

//changed FUNCTIONxxxON into F_xxx to save space in the char buffer

//in definitions:

int SPEED          =       120;
int new_SPEED      =       120;


 ///////////////////////////////////////////////////////////////////////////////
 // output parameters to serial, you may connect e.g. an Arduino and react on it
 ///////////////////////////////////////////////////////////////////////////////
    if(sParam.length()>0)
  { // output parameters
    int iEqu=sParam.indexOf("=");
    if(iEqu>=0)
    {  // is there a message?
      sCmd = sParam.substring(iEqu+1,sParam.length());
//      Serial.print("We are in output Parameters, value is: ");

      int iEqu_bright=sParam.indexOf("200");
      if (iEqu_bright>=0)
       {
        sCmd = sParam.substring(iEqu+1,sParam.length());         // BRIGHTNESS
      Serial.println(sCmd);
      char carray[4];                                // values 0..255 = 3 digits; array = digits + 1
      sCmd.toCharArray(carray, sizeof(carray));      // convert char to the array
      new_BRIGHTNESS = atoi(carray);                 // atoi() converts an ascii character array to an integer
      if (new_BRIGHTNESS == 0) {new_BRIGHTNESS = BRIGHTNESS; }
      BRIGHTNESS = new_BRIGHTNESS;
         FastLED.setBrightness(new_BRIGHTNESS);
      Serial.print("new Brightness: ");
      Serial.println(new_BRIGHTNESS);
    }

 // space for RGB (300, 400, 500)

       int iEqu_speed=sParam.indexOf("600=");
      if (iEqu_speed>=0)
       {
      sCmd = sParam.substring(iEqu+1,sParam.length());           // speed
//      Serial.print("We are in SPEED, value is: ");
      Serial.println(sCmd);
      char carray[4];                                // values 0..255 = 3 digits; array = digits + 1
      sCmd.toCharArray(carray, sizeof(carray));      // convert char to the array
      new_SPEED = atoi(carray);                      // atoi() converts an ascii character array to an integer
      if (new_SPEED == 0) {new_SPEED = SPEED; }      // if something else is selected (no change in brightness)
      SPEED = new_SPEED;
      FRAMES_PER_SECOND = SPEED;
//     FastLED.setMaxRefreshRate(new_SPEED);         // thought this would work  :(


      Serial.print("new FPS: ");
      Serial.println(SPEED);
//      Serial.print("refresh: ");
//      Serial.println(1000/new_SPEED);

       }

    } // end is there a message?
  }   // end output Parameters


  ///////////////////////////
  // format the html response
  ///////////////////////////



//  under brightness slider:

sResponse += "</p>";
sResponse += "<form action=\"?sCmd\" >";    // ?sCmd forced the '?' at the right spot
sResponse += "<input type=\"submit\" value=\"SET\">";
sResponse += "&nbsp;&nbsp <font color=yellow><b>SPEED ";  // perhaps we can show here the current value
sResponse += round(new_SPEED /2);    // this is just a scale depending on the max value; round for better readability
sResponse += " %";
sResponse += "<BR>";
sResponse += "<input style=\"width:250px; height:50px\" type=\"range\" name=\"=F_600\" id=\"cmd\" value=\"";   // '=' in front of F__200 forced the = at the right spot
sResponse += SPEED;
sResponse += "\" min=20 max=400 step=20 onchange=\"showValue(points)\" />";
sResponse += "</font></b>";
sResponse += "</form>";
sResponse += "<p>";
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

      if(sCmd.indexOf("F_200=250")>=0) { }
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//under F200_values
      if(sCmd.indexOf("F_600=20")>=0)  {  }
      if(sCmd.indexOf("F_600=40")>=0)  {  }
      if(sCmd.indexOf("F_600=60")>=0)  {  }
      if(sCmd.indexOf("F_600=80")>=0)  {  }
      if(sCmd.indexOf("F_600=100")>=0) {  }
      if(sCmd.indexOf("F_600=120")>=0) {  }
      if(sCmd.indexOf("F_600=140")>=0) {  }
      if(sCmd.indexOf("F_600=160")>=0) {  }
      if(sCmd.indexOf("F_600=180")>=0) {  }
      if(sCmd.indexOf("F_600=200")>=0) {  }
      if(sCmd.indexOf("F_600=220")>=0) {  }
      if(sCmd.indexOf("F_600=240")>=0) {  }
      if(sCmd.indexOf("F_600=260")>=0) {  }
      if(sCmd.indexOf("F_600=280")>=0) {  }
      if(sCmd.indexOf("F_600=300")>=0) {  }
      if(sCmd.indexOf("F_600=320")>=0) {  }
      if(sCmd.indexOf("F_600=340")>=0) {  }
      if(sCmd.indexOf("F_600=360")>=0) {  }
      if(sCmd.indexOf("F_600=380")>=0) {  }
      if(sCmd.indexOf("F_600=400")>=0) {  }
 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++