Javascript won't help you much when it comes to dynamically uploading content. Adobe's got a really flexible uploader in Flash, and the nicest Javascript interf

Javascript won't help you much when it comes to dynamically uploading content. Adobe's got a really flexible uploader in Flash, and the nicest Javascript interface I've seen to it is http://swfupload.org/ http://swfupload.org/, though it does take some work to integrate.