$(function(){
    //初期設定
    var count = 0;
    var size  = "355px";
    var list  = $("#release-top-area ul li");
    var max   = list.length - 1;

    //CSS初期設定
    list.css({
        position: "absolute",
        top: "0px",
        left: size,
        opacity: 0
    });
    list.eq(count).css({ left: "5px", opacity: 1});
    if($.browser.msie) {
        list.css({ fontFamily: "ＭＳ Ｐゴシック"});
    }

    setInterval(function(){
        list.eq(count).animate({ opacity: 0},{ duration: 500, easing: "swing", complete: function(){
                $(this).css({ left: size});
            }
        });
        if( count < max ) {
            count++;
        } else {
            count = 0;
        }
        list.eq(count).animate({ left: "5px", opacity: 1},{ duration: 500, easing: "swing"});
    },4000);
});