function submenuVisibility( show, which ) {
    if( show ) {
        which.className = 'opened';
        which.getElementsByTagName('img')[0].src = '/pub/images/opened-button-left.gif';
    } else {
        which.className = 'button';
        which.getElementsByTagName('img')[0].src = '/pub/images/button-left.gif';
    }

    var childs = which.childNodes;
    for( i=0; i<childs.length; i++ ) {
        if( childs[i].className == "main_submenu" ) {
            childs[i].style.display = (show)? "block" : "none";
            break;
        }
    }
}

function qshow( nr ) {
    document.getElementById('qtop').className = ( nr == 1)? 'top' : 'top1';
    var kids = document.getElementById('b-list').childNodes;
    for( i=0; i<kids.length; i++ ) {
        if( kids[i].id == ('m-' + nr) )
            kids[i].className = 'active';
        else
            kids[i].className = 'submenu';
    }
    
    var kkids = document.getElementById('q_menu').childNodes;
    for( i=0; i<kkids.length; i++ ) {
        if( kkids[i].id.split('-')[0] == 'mm' ) {
            if( kkids[i].id.split('-')[1] == nr )
                kkids[i].style.display = 'block';
            else
                kkids[i].style.display = 'none';
        }
    }

    return false;
}