if ( window.addEventListener ) {
    window.addEventListener('popstate', function( e ) {
        /*if($(".i-wrap").is(":visible")) {
            e.preventDefault();
            $(".i-wrap .close-item").click();
            return false;
        }*/
        var loc = e.location || document.location;
        uploadContent(loc, false);
    }, false);
} else if ( window.attachEvent ) {
    window.attachEvent('onpopstate', function( e ) {
        var loc = e.location || document.location;
        uploadContent(loc, false);
    });
}