$('document').ready(function(){
  var _lang = $('input#_lang').val();
  $('#config_contents').load(
    "/js/connectors/config_model_connector.php", 
    { 'step':0, '_lang':_lang },
    function(){
      $('#go_next').click(function(){
        go_next_step();
      });
    }
  );
  
  // След. шаг
  function go_next_step(){
    var _lang = $('input#_lang').val();
    var select_model_id = $('#config_model_form select:[name=model_id]').val();
    var select_kuzov_id = $('#config_model_form select:[name=kuzov_id]').val();
    var select_engine_id = $('#config_model_form select:[name=engine_id]').val();
    var select_opt_id = $('#config_model_form radio:[name=opt_id]').val();
    var select_color_id = $('#config_model_form select:[name=color_id]').val();
    
    var step = $('#config_model_form input[name=step]').val();
    var model_id = select_model_id && select_model_id!='undefined' ? select_model_id : $('#config_model_form input[name=model_id]').val();
    var kuzov_id = select_kuzov_id && select_kuzov_id!='undefined' ? select_kuzov_id : $('#config_model_form input[name=kuzov_id]').val();
    var engine_id = select_engine_id && select_engine_id!='undefined' ? select_engine_id : $('#config_model_form input[name=engine_id]').val();
    var opt_id = select_opt_id && select_opt_id!='undefined' ? select_opt_id : $('#config_model_form input[name=opt_id]').val();
    var color_id = select_color_id && select_color_id!='undefined' ? select_color_id : $('#config_model_form input[name=color_id]').val();
    
    if(step == 5){
      var posted = $('#config_model_form input[name=posted]').val();
      var konname = $('#config_model_form input[name=konname]').val();
      var phone = $('#config_model_form input[name=phone]').val();
      var mail = $('#config_model_form input[name=mail]').val();
      var keystring = $('#config_model_form input[name=keystring]').val();
    }
    $('#config_contents').html('<img src="/images/loading.gif">');
    
    $.get("/js/connectors/config_model_connector.php", 
      { '_lang':_lang, 'step':step , 'model_id':model_id, 'kuzov_id':kuzov_id, 
        'engine_id':engine_id, 'opt_id':opt_id, 'color_id':color_id,
        'posted':posted , 'konname':konname , 'phone':phone , 'mail':mail , 'keystring':keystring 
      },
      function(data){
        $('#config_contents').html(data);
        $('#go_next').css('cursor','pointer');
        $('#go_back').css('cursor','pointer');
        $('#go_next').click(function(){
          go_next_step();
        });
        $('#go_back').click(function(){
          go_prev_step();
        });
      }
    );
  }
  
  // Пред. шаг
  function go_prev_step(){
    var step_val = $('#config_model_form input[name=step]').val();
    $('#config_model_form input[name=step]').val(step_val-2>=0 ? step_val-2 : step_val-1);
    go_next_step();
  }
});