function delete_pictures() {
    if ($("form.gallery_form input:checked").size() == 0) {
        alert("You must select at least one photo to delete.");
        return;
    }
    var result = confirm("The selected photos will be permenently deleted! Do you want to continue?");
    if (result) {
        $("#form_action").val("delete");
        $("#gallery_form").submit();
    }
}

function set_as_thumb() {
    var selected = $("form#gallery_form input:checked").size();
    if (selected == 0) {
        alert("You must select at least one picture.");
        return;
    }
    if (selected > 1) {
        var result = confirm("You have selected more than one picture. Only the lowest numbered will be used.\nDo you want to continue?");
        if (result) {
            $("#form_action").val("set_as_thumbnail");
            $("#gallery_form").submit();
        }
        else {
            $("#gallery_form input:checkbox").attr("checked", false);
            return;
        }
    }
    $("#form_action").val("set_as_thumbnail");
    $("#gallery_form").submit();
}

function rebuild_gallery() {
    var result = confirm("This function checks gallery integrity, then deletes and recreates all\nassociated scaled images. Do you want to continue?");
    if (result) {
        $("#form_action").val("full_rebuild");
        $("#gallery_form").submit();
    }
}

function take_unclaimed_photos() {
    var result = confirm("You will be assigned as the poster for all photos in this gallery which\nare unclaimed. Do you want to continue?");
    if (result) {
        $("#form_action").val("take_unclaimed");
        $("#gallery_form").submit();
    }
}