function onGalleryTypeChange(field)
{
    var event = document.getElementById('event');
    
    if (field.value != ''){
        event.options.length = 1;
        count = events[field.value].length;
        event.options.length = count + 1;
        event.options[0].value = '';
        event.options[0].text = ' -- Pasirinkite įvykį -- ';
        for (var i = 0; i < count; i++)
        {
            var tmp_i = i + 1;
            var ev = events[field.value][i].split(":");
            event.options[tmp_i].value = ev[0];
            event.options[tmp_i].text = ev[1];
        }
        event.disabled = false;
    }else{
        event.options.length = 1;
        event.options[0].value = '';
        event.options[0].text = ' -- Pasirinkite įvykį -- ';
        event.disabled = true;
    }
}

function galleryOnLoadCheck()
{
    var type = document.getElementById('type');
    var event = document.getElementById('event');
        
    if (type.value == ''){
        event.options.length = 1;
        event.options[0].value = '';
        event.options[0].text = ' -- Pasirinkite įvykį -- ';
        event.disabled = true;
    }
}

function gallerySubmitCheck(form)
{
    if (form.type.value == '')
    {
        alert("Prašom pasirinkti albumo tipą!");
        form.type.focus();
        return false;
    }
    
    if (form.event.value == '')
    {
        alert("Prašom pasirinkti įvykį!");
        form.event.focus();
        return false;
    }
    
    return true;
}

function gallerDoPhotoDelete()
{
    var r=confirm("Ar tikrai norite ištrinti šią nuotrauką?");
    if (r==true)
    {
        return true;
    }
    else
    {
        return false;
    }
}

function galleryShowPhotoInfo(id)
{
    var info = document.getElementById(id);
    
    if (info != null){
        info.style.position = "absolute";
        info.style.display = "block";
    }
}

function galleryHidePhotoInfo(id)
{
    var info = document.getElementById(id);
    
    if (info != null){
        info.style.display = "none";
    }
}