jQuery Page Preload

jquery_page_preload

/*HTML*/
<div id="loader"><div id="loaderInner"></div></div>

/*CSS*/
#loader {
    background: none repeat scroll 0 0 #ffffff;
    bottom: 0;
    height: 100%;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    width: 100%;
    z-index: 9999;
    /*opacity: 0.7;*/
}
#loaderInner {
    background-image: url("../image/preloader.gif");
    /*background-size: cover;*/
    background-repeat: no-repeat;
    background-position: center center;
    background-color: #fff;
    height: 60px;
    width: 60px;
    margin-top: -30px;
    margin-left: -30px;
    left: 50%;
    top: 50%;
    position: absolute;
}

/*JS-jQuery*/
$(window).load(function() { 
    $("#loaderInner").fadeOut(); 
    $("#loader").delay(400).fadeOut("slow"); 
});