function initFaq() {
        elements = document.getElementsByTagName('h4');
        for (i=0;i<elements.length;i++)
        {
            /*liens = elements[].getElementByTagName('a');*/
            elements[i].firstChild.onclick = displayFaq;
        }
    }
    
    function hideFaq(){
        elements = document.getElementsByTagName('p');
        for (i=0;i<elements.length;i++)
            {
                if (elements[i].className == "secrets-p") elements[i].style.display = "none";
            }
    }
    
    function displayFaq(){
        hideFaq();
        txt = this.parentNode.parentNode.getElementsByTagName('p');
        txt[0].style.display = "block";
    }