$(document).ready(function(){
  $('.first input').click(function(){
    $('.collapsable').slideDown();
  });

  
  var faqClicked;
  var answer;
  var prevAnswer;
  $('#faq li').click(function(){
    if(faqClicked != undefined){
      prevAnswer = faqClicked.getElementsByTagName('p');
      prevAnswer = prevAnswer[0];
      $(prevAnswer).slideUp(); 
    }
    answer = this.getElementsByTagName('p');
    answer = answer[0];
    $(answer).slideDown();
    faqClicked = this;
  });
  
  $('.first input').click();
});