/*�ƶ�����*/
function move_obj(obj, move_w, move_h, x, y, l, t, m) {
    if (obj == undefined) {
        alert("�������ô���,�봫����ȷ����!");
        return;
    }
    move_w = (move_w == undefined || move_w == '') ? $(window).width() : move_w;//ˮƽ�ƶ���χ,ĭ�����������������
    move_h = (move_h == undefined || move_h == '') ? $(window).height() : move_h;//��ֱ�ƶ���χ,ĭ���������������߶�
    x = (x == undefined || x == '') ? 3 : x;//һ��ˮƽ�ƶ�����,ĭ��3px
    y = (y == undefined || y == '') ? 3 : y;//һ�δ�ֱ�ƶ�����,ĭ��3px
    l = (l == undefined || l == '') ? 0 : l;//�����body����ʼˮƽλ��,ĭ��0
    t = (t == undefined || t == '') ? 0 : t;//�����body����ʼ��ֱλ��,ĭ��0
    m = (m == undefined || m == '') ? 80 : m;//��ʱ����,��λ����,ĭ��80ms
    function moving() {
        x = (l >= move_w - $(obj).width() || l < 0) ? -x : x;
        y = (t >= move_h - $(obj).height() || t < 0) ? -y : y;
        l += x;
        t += y;
        $(obj).css({ left: l, top: t });
    }
    var timer_move = setinterval(function () {
        moving();
    }, m);
    //��ֹͣͣ�˶�
    $(obj).mouseover(function () {
        $(this).children(".close_port").show();
        clearinterval(timer_move);
    });
    //�ƿ���������˶�
    $(obj).mouseout(function () {
        $(this).children(".close_port").hide();
        timer_move = setinterval(function () {
            moving();
        }, m);
    });
    //�رո���,�رպ�ֻ��ͨ��ˢ��ҳ�������ʾ,ҳ�����զ���رչ���
    var close = "<div class=\"close_port\">x</div>";
    $(obj).append(close);
    $(".close_port").css({
        position: 'absolute',
        display: 'none',
        width: '20px',
        height: '20px',
        top: 0,
        right: 0,
        color: 'red',
        border: '1px solid red',
        background: '#ccc',
        textalign: 'center',
        lineheight: '20px',
        cursor: 'pointer'
    });
    $(obj).on('click', '.close_port', function () {
        //�����ƕ���ӽ�ư����,ͬʱ����ӽ���ʱ��,�������
        $(obj).find('.close_port').trigger('mouseover');
        clearinterval(timer_move);
        $(this).parent().remove();
    })
}