hen.value);

    for (var i = 0; i < form.category.length; i++) {
        if (form.category[i].checked) {
            category = form.category[i].value;
            break;
        }
    }

    if (category.valueOf() != "all".valueOf()){
        options.push("category=" + category);
    }
    options.push("count=" + form.count.value);
    options.push("offset=" + form.offset.value);
    return options.join("&");
}

// toggle display of a div (used by JSON/HTTP expandos)
function toggleDisplay(id) {

    var 