function PopPoint(point) {
    var nowWindowHeight = $(window).height();
    var nowWindowWidth = $(window).width();
    var nowWindowScrollTop = $(window).scrollTop();
    var elementPositionLeft = nowWindowWidth * 0.5 - 50;
    var elementPositionTop = nowWindowScrollTop + nowWindowHeight * 0.5 - 25;
    var insertElement = '<div style=" position:absolute; top:' + elementPositionTop + 'px; left:' + elementPositionLeft + 'px; padding-top:5px; width:97px; height:45px; text-align:center; font-size:30px; font-family:Arial; line-height:40px; color:#fff; background:url(img/pointBg.gif);">+ ' + point + '</div>';
    insertElement = $(insertElement);
    $("body").append(insertElement);
    insertElement.fadeTo(0, 0.9);
    setTimeout(function () {
        insertElement.fadeTo(500, 0, function () {
            insertElement.remove();
        });
    },1000)
}