if(exerTime > 0){
          if(exerTime == 1) nextExerciseSound.play();
          else if(exerTime==coolingTime) startSound.play();

          document.getElementById("trainingInfo").innerHTML = '<h3>Number of exercises: ' + numExercises +'</h3>' + '<h3> Current exercise: ' +exerArray[currentExercise] +'</h3>' +' <h2>Exercise for: ' + exerTime +'</h2>';
          exerTime--;
        }
        else{
          if (restTime > 0 && numExercises != 1){
            document.getElementById("trainingInfo").innerHTML = '<h2>Rest: ' +restTime +'</h2>' +'<h3>Next exercise: ' + exerArray[currentExercise + 1] +'</h3>';
            restTime--;
          }
          else if (numExercises == 1 && coolingTime > 0){
            document.getElementById('trainingInfo').innerHTML ='<h2>Cooldown: ' + coolingTime + '</h2>';
            coolingTime--;
          }
        }