var loaded = 0;  
var wait = 200;
var speed = 3000;

$(document).ready(function(){

    var _images = [ 
        "/pics/12_.jpg","/pics/12__.jpg",
        "/pics/14_.jpg","/pics/14__.jpg",
        "/pics/23_.jpg","/pics/23__.jpg",
        "/pics/24_.jpg","/pics/24__.jpg"];

    $.each(_images,function(e) {
        $(new Image()).load(function() {
            //alert($(this).attr('src') + 'has loaded!');
            loaded++;
            if( loaded == _images.length) {
                $(document.body).animate({opacity: 1.0}, wait, function(){
                        $("#24__").fadeOut( speed, function () {
                            $("#12__").fadeOut( speed, function () {
                                  $("#14__").fadeOut( speed, function () {
                                      $("#23__").fadeOut( speed, function () {
                                            $("#24_").fadeOut( speed, function () {
                                                $("#12_").fadeOut( speed, function () {
                                                      $("#14_").fadeOut( speed, function () {
                                                          $("#23_").fadeOut( speed, function () {
                                                              //alert("finish");
                                                          });
                                                      });
                                                });
                                            });
                                      });
                                  });
                            });
                        });
                    });
            }
        }).attr('src',this);
        
    });
});