//----------------------------------------
// goto_location()
//----------------------------------------
function goto_location(new_location)
{
    $('#loading_div').css({
        height:$(document.body).height(),
        display:'block',
        opacity:'0.8'
    });
    $('#throbber').css({
        display : 'block',
        height : $(document.body).height(),
        backgroundPosition : (($(window).width()/2)-143.5)+"px "+(($(window).height()/2)-70.5)+"px"
    });
    window.location = new_location;

} // goto_location()

//----------------------------------------
// btn_search_click()
//----------------------------------------
function btn_search_click()
{
    var i;
    var params = "";

    for(i=0; i < 3; i++)
    {
        var ctl = document.getElementById(aTxtSearchIds[i]);
        var s   = $.trim(ctl.value);
        if(s.length > 0 && s != aTxtSearchPrompts[i])
        {
            params += (params.length == 0 ? "?" : "&");
            params += aTxtSearchIds[i] + "=" + encodeURIComponent(s);
        }
    }
    goto_location("search.php" + params);

} // btn_search_click()

//----------------------------------------
// cmb_language_change()
// selezionata una lingua
//----------------------------------------
function cmb_language_change(id_language)
{
    var i;
    var params = "";

    params = "?id_language=" + id_language;
    for(i=0; i < 3; i++)
    {
        var ctl = document.getElementById(aTxtSearchIds[i]);
        var s   = $.trim(ctl.value);
        if(s.length > 0 && s != aTxtSearchPrompts[i])
        {
            params += "&" + aTxtSearchIds[i] + "=" + encodeURIComponent(s);
        }
    }
    $('#lang_btn ul').css('display','none');
    goto_location("index.php" + params);

} // cmb_language_change()