function showmenu()
{
    document.getElementById('submenu').style.display = 'block';
}

function hidemenu()
{
    document.getElementById('submenu').style.display = 'none';
}

function showlayer(layer)
{
    document.getElementById('layer_events').style.display = 'none';
    document.getElementById('layer_interviews').style.display = 'none';
    document.getElementById('layer_videos').style.display = 'none';
    
    document.getElementById('layer_' + layer).style.display = 'block';
    
    var anchor = getAnchor();
    window.location = anchor[0] + '#' + layer;
}

function combochange()
{
    document.getElementById('newtitletxt').value = document.getElementById('titleid')[document.getElementById('titleid').selectedIndex].innerHTML;
}

function combochange2()
{
    document.getElementById('newctops').value = document.getElementById('combotopics')[document.getElementById('combotopics').selectedIndex].innerHTML;
}

function combochange3()
{
    var myindex = document.getElementById('combotopics').value;
    document.getElementById('newctops').value = document.getElementById('hid' + myindex).value;
    document.getElementById('ccontent').value = document.getElementById('hid' + myindex).value;
    //document.getElementById('newctops').value = document.getElementById('combotopics')[document.getElementById('combotopics').selectedIndex].innerHTML;
}

function editname(old, id){
    var newname = prompt('New name', old);
    if(newname != old && newname){
        document.getElementById('action').value = 'editworkname';
        document.getElementById('id').value = id;
        document.getElementById('newname').value = newname;
        document.getElementById('form').submit();
    }
    return false;
}

function albumshowtxt(txt){
    document.getElementById('albumtxt').innerHTML = document.getElementById(txt).innerHTML;
}

function getAnchor(){
    var anchor = window.location.toString().split('#');
    return anchor;
}
function change_event(str){
    document.getElementById('video_layer').style.display = 'none';
    document.getElementById('event_layer').style.display = 'block';
    document.getElementById('event_layer').innerHTML = str;
    
    document.getElementById('video_layer').style.display = 'none';
}

function randbg(max){
    var n = Math.floor(Math.random() * max) + 1;
    document.getElementById('pagetablesTT').style.backgroundImage = 'url(images/TT-' + n +'.jpg)';
}