function toggleDivDisplay(id,id2)
{
    var adiv = document.getElementById(id);
    if(adiv.style.display == 'none') {
        adiv.style.display = 'block';
    } else {
        adiv.style.display = 'none';
    }

    var adiv2 = document.getElementById(id2);
    if(adiv2.style.display == 'none') {
        adiv2.style.display = 'block';
    } else {
        adiv2.style.display = 'none';
    }

}


function getElementsByClass(searchClass,node,tag) {
    var classElements = new Array();
    if ( node == null )
    node = document;
    if ( tag == null )
    tag = '*';
    var els = node.getElementsByTagName(tag);
    var elsLen = els.length;
    var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
    for (i = 0, j = 0; i < elsLen; i++) {
        if ( pattern.test(els[i].className) ) {
            classElements[j] = els[i];
            j++;
        }
    }
    return classElements;
}

function qanswer(id){
    var el = getElementsByClass('qanswer');
    var adiv = document.getElementById(id);
    for (var i=0; i < el.length; i++){
        if(el[i].style.display = "block") {
            el[i].style.display = "none";
        } else {
            el[i].style.display = "block"
        }
    }
    adiv.style.display = 'block';
}