الامتدادات المسموحة : asf-avi-BMP-doc-docx-dot-flv-gif-gp3-jpg-js-mcw-mid-mov-mp3-mp4-mpa-mpeg-mpg-pdf-png-pps-ppt-psd-ram-rar-rm-rtf-sis-swf-wav-wmv-wri-zip-