function main() {
    try {
        app.activeDocument
    } catch (error) {
        alert("Ո���ٴ��_һ���ęn.")
        return
    }

    var win = new Window("dialog", "��Ҫ�ԌW(xu��)�W(w��ng)-Ƕ��朽��ļ�")
    win.margins = 20
    var desc = win.add("panel", undefined, "�f��")

    var placedItemsLength = app.activeDocument.placedItems.length

    if (placedItemsLength == 0) {
        desc.margins = 50
        desc.add("staticText", undefined, "��(d��ng)ǰ�ęn���o��ҪǶ���朽��ļ�")
    } else {
        desc.margins = 20
        desc.add("staticText", undefined, "��(d��ng)ǰ�ęn�� " + placedItemsLength + " ��δǶ���朽��ļ�")
        desc.add("staticText", undefined, "(Ƕ���, Ո��(w��)���м�(x��)�ˌ�)")
        desc.add("staticText", undefined, "Ƕ��ĕr����ܕ����x�, ��Ҫ�քӴ_�J(r��n)һ�����P(gu��n)����")
        var btn = win.add("button", undefined, "��(zh��)��")
        btn.onClick = function () {
            var count = 0
            for (var i = (placedItemsLength - 1); i >= 0; i--) {
                try {
                    var placedItem = app.activeDocument.placedItems[i]
                    placedItem.embed()
                    count++
                } catch (error) {
                    alert("ȡ��Ƕ��")
                }

            }
            if (count == placedItemsLength) {
                alert("��ϲ, ȫ��Ƕ��ɹ�!")
            } else {

                alert("�ɹ�Ƕ�� " + count + " ��, Ƕ��ʧ���� " + (placedItemsLength - count) + " ��")
            }
        }
    }

    win.onClose = function () {
        // alert(win.bounds.height)
        // alert(win.opacity)
        var winHeight = win.bounds.height
        for (var i = 100; i >= 0; i = i - 4) {

            win.opacity = i / 100
            win.bounds.height = winHeight * i / 100
            $.sleep(10)
        }
    }


    win.show()


}

main()