function aclick1(cllr){
    var n1 = cllr.parentNode;
    while(n1.className != 'clicker') n1 = n1.parentNode;
    var n2 = n1.nextSibling;
    while(n2.className != 'hider') n2 = n2.nextSibling;
    if(n2.style.display == 'none'){
        n2.style.display = 'block';
    }else{
        n2.style.display = 'none';
    };
}