function CheckId(buttonId) { //Check if you choose correct button

if (buttonId == MyrndBtn) {  // if you do, your score is increased, new problem is set, new "left points" is set and new time limit
  Score++;
  console.log("correct");
  SetButtons();
  setText("ScoreCounter", Score);
  clearTimeout(timeout);
  ScoreCountLeft = WantedScore - Score;
  setText("ScoreCounterLeft",ScoreCountLeft);


  if (Score == WantedScore) { // if youo reach your wanted score, you win, sets random victory gif
  NewGame();
  setImageURL("wingif", wingifs[randomNumber(0,4)]);
  showElement(winarray[0]);
  showElement(winarray[1]);
  showElement(winarray[2]);
}
else{ //If not, sets new timelimit, and in case you do not make it in limit, you lose, shows random lose gif
 timeout = setTimeout(function() {
  console.log("it is over");
  setScreen("screen5");
  NewGame();
  setImageURL("losegif", losegifs[randomNumber(0,2)]);
  showElement(losearray[0]);
  showElement(losearray[1]);
  showElement(losearray[2]);
}, MyTimeout);}


} else { // if you choose the wring answer, your score decreases by 1, the incorrect button hides and new score displays
  Score--;
  console.log("incorrect");
  hideElement(buttonId);
  console.log(MyrndBtn);
  setText("ScoreCounter", Score);
  ScoreCountLeft = WantedScore - Score;
setText("ScoreCounterLeft",ScoreCountLeft);
}
}