function load_category(lang)
{   
    var CatId = document.getElementById('hid_CatId').value;
    var qry = "lang=" + lang + "&CatId=" + CatId;
    var submitTo = '../proc/load_category.aspx';
    http('POST', submitTo, load_category_callback, qry);
}

function load_category_callback(res)
{
    document.getElementById('divCategoryList').innerHTML = res;
}