var brand="";
$(document).ready(function() {
  $('#brandSelect').change(function() {
    if($('#brandSelect').val()==0) return;
    brand = $('#brandSelect').val();
    $('#modelSelect').load(HTTPURL+"index.php?page=ajax&act=getmodelsSelect&brand="+$('#brandSelect').val());
    $('#partSelect').load(HTTPURL+"index.php?page=ajax&act=getnumbersSelect&brand="+$('#brandSelect').val());
    $('#imgFindLampGo').show();

  });
  $('#modelSelect').change(function() { 
    if ($('#modelSelect').val())
    document.getElementById('frmSearch').submit();
  });
  
  $('#partSelect').change(function() {
    if ($('#partSelect').val())
    $('#frmSearch').submit();
  });
});