function Answer(qn) {
    var d,an;
    d=document.getElementById('QAs');
        if(d) {
        an=qn.lastChild;
            if (an.className=="answer") {
                switch (qn.className) {
                    case "qOpen" :
                    qn.className='qClosed';
                    an.style.display='none';
                    break;
                    case "qClosed" :
                    qn.className='qOpen';
                    an.style.display='block';
                break;  
                                        }
                                            }
            }
}

function QAReset() {
    var d,e,c,i;
    d=document.getElementById('QAs');
    if(d) {
    e=d.all;
    c=e.length;
        for (i=0;i<c;i++) {
            switch (e[i].className) {
                case "qOpen" :
                e[i].className='qClosed';
                break;
                case "answer" :
                e[i].style.display='none';
            break;
                                    }
                            }
            }
}