var siteRoot = "http://localhost/vasuk/";

function find_type_ch(lang)
{
  alert( 'find_type_ch()' );

  id_ttype = document.getElementById('find_type').value;
  var addr = siteRoot + "?module=auto&view=rq&topic=fform&id_ttype=" + id_ttype + "&id_lang=" + lang;
  var id = 0;

  //alert( 'open ' + addr );

  doLoad('mark_and_model', addr, 0); 
}

function find_brand_ch(lang)
{
  //alert( 'find_brand_ch()' );

  id_brand = document.getElementById('find_mark').value;
  id_ttype = document.find_form.id_ttype.value;
  var addr = siteRoot + "?module=auto&view=rq&topic=fform&id_ttype=" + id_ttype + "&id_brand=" + id_brand + "&id_lang=" + lang;
  var id = 0;

  //alert( 'open ' + addr );

  doLoad('models_list', addr, 0); 
}

function fform_send(pg,lang)
{
  //alert( 'fform_send()' );

  var text_id = 'main_block';
  var addr = siteRoot + "?module=auto&view=rq&pg="+pg;

  var id_ttype = document.find_form.id_ttype.value;

  if ( id_ttype == 1 ) { 
    addr = addr + "&section=auto";
  } else if ( id_ttype == 2 ) {
    addr = addr + "&section=moto";
  } else if ( id_ttype == 3 ) {
    addr = addr + "&section=spec";
  }

  addr = addr + 
         "&id_ttype=" + id_ttype + 
         "&id_brand=" + document.find_form.id_brand.value + 
         "&id_model=" + document.find_form.id_model.value + 
         "&year=" + document.find_form.year.value +
         "&price_from=" + document.find_form.price_from.value + 
         "&price_to=" + document.find_form.price_to.value + 
         "&pg=" + pg + "&id_lang=" + lang;


  var value = 0;

  var req = new JsHttpRequest();
  req.onreadystatechange = function() {
    //alert( 'req.readyState = ' + req.readyState + ', req.responseText = ' + req.responseText );

    if (req.readyState == 4) {
      document.getElementById(text_id).innerHTML = req.responseText;
      document.getElementById('brands_tabs').style.display = 'block';
    }  
  }

  //document.getElementById('left_info_block').style.display = 'none';
  document.getElementById(text_id).innerHTML = '<img src="' + siteRoot + '/img/loading.gif" style="padding: 250px 0 200px 250px;">';

  //alert( 'open ' + addr );

  req.open(null, addr, true);
  req.send( { q: value } );
}


// --------------------------------------------------------

function doLoad(text_id, addr, value) 
{
    var req = new JsHttpRequest();
    req.onreadystatechange = function() {
      //alert( 'req.readyState = ' + req.readyState + ', req.responseText = ' + req.responseText );

      if (req.readyState == 4) {
        document.getElementById(text_id).innerHTML = req.responseText;
      }  
    }

    document.getElementById(text_id).innerHTML = '<img src="' + siteRoot + '/img/loading.gif" style="padding: 10px 0 10px 0;">';

    req.open(null, addr, true);
    req.send( { q: value } );
}