function display(sec_id) {
    var done = false;
    var count = 0;
    while (!done) {
        count++;
        if (!document.getElementById('sec' + count)) { done = true; }
    }

    for (x = 0; x < count; x++) {
        document.getElementById('sec' + x).style.display = 'none';
        document.getElementById('li_sec' + x).style.color = 'black';

        if (x != sec_id) {
            document.getElementById('li_sec' + x).onmouseout = function() { this.style.color = 'black'; }
            document.getElementById('li_sec' + x).onmouseover = function() { this.style.color = '#942320'; this.style.cursor = 'pointer'; }
        }
        else {
            document.getElementById('li_sec' + x).onmouseout = null;
            document.getElementById('li_sec' + x).onmouseover = null;
        }



    }

    document.getElementById('sec' + sec_id).style.display = 'block';

  
}