/// <summary>
        /// saves the media to Disk
        /// </summary>
        private static void AddMedia(Report report, HttpPostedFile photo1, HttpPostedFile photo2, HttpPostedFile photo3,
            HttpPostedFile video, HttpPostedFile audio)
        {
            if (photo1 != null)
            {
                FileInfo fileInfo = new FileInfo(photo1.FileName);
                report.AddMedia(new Photo
                {
                    Url = "~/Content/uploads/" + DateTime.Now.Ticks + "1_" + fileInfo.Name,
                    File = photo1
                });
            }
            else
            {
                report.AddMedia(null);
            }

            if (photo2 != null)
            {
                FileInfo fileInfo = new FileInfo(photo2.FileName);
                report.AddMedia(new Photo
                {
                    Url = "~/Content/uploads/" + DateTime.Now.Ticks + "2_" + fileInfo.Name,
                    File = photo2
                });
            }
            else
            {
                report.AddMedia(null);
            }

            if (photo3 != null)
            {
                FileInfo fileInfo = new FileInfo(photo3.FileName);
                report.AddMedia(new Photo
                {
                    Url = "~/Content/uploads/" + DateTime.Now.Ticks + "3_" + fileInfo.Name,
                    File = photo3
                });
            }
            else
            {
                report.AddMedia(null);
            }

            if (video != null)
            {
                FileInfo fileInfo = new FileInfo(video.FileName);
                report.AddMedia(new Video
                {
                    Url = "~/Content/uploads/" + DateTime.Now.Ticks + "4_" + fileInfo.Name,
                    File = video
                });
            }
            else
            {
                report.AddMedia(null);
            }

            if (audio != null)
            {
                FileInfo fileInfo = new FileInfo(audio.FileName);
                report.AddMedia(new Audio
                {
                    Url = "~/Content/uploads/" + DateTime.Now.Ticks + "5_" + fileInfo.Name,
                    File = audio
                });
            }
            else
            {
                report.AddMedia(null);
            }
        }