functions.js

/* --- Question Functions ---
   -------------------------------------------------- */

function next_q() {
  if ($("#end").hasClass("hide") == true) {
    var question = q.shift();

    if (question != "done") {
      $("#question").html(question);

      timer_restart();
      display_tip();
    } else {
      $("#question").addClass("hide");
      $("#timer").addClass("hide");
      $(".pg").addClass("hide");

      $("#end").removeClass("hide");
    }
  }
}

/* --- Timer Functions ---
      -------------------------------------------------- */

function timer_tick() {
  $("#timer").removeClass("warning");
  $("#timer").removeClass("fail");

  timer = timer - 1;

  $("#timer").html(timer + " s");

  if (timer < 10) {
    $("#timer").addClass("warning");
  }
  if (timer < 5) {
    $("#timer").removeClass("warning");
    $("#timer").addClass("fail");
  }
  if (timer <= 0) {
    $("#timer").addClass("hide");
    $(".pg").removeClass("hide");
  }

  setTimeout("timer_tick();", 1000);
}

function timer_restart() {
  $("#timer").removeClass("warning");
  $("#timer").removeClass("fail");
  $(".pg").addClass("hide");
  $("#timer").removeClass("hide");

  timer = 15;

  $("#timer").html("15 s");
}

/* --- Tip Functions ---
      -------------------------------------------------- */

function display_tip() {
  var tip = tips.shift();

  $("#tip").html(tip);

  tips.push(tip);
}