I need to provide a means for a user to upload photos to their web site in jpeg format. However, the photos are very large in original size, and I would like to make the re
Unfortunately you won't be able to resize the images in Javascript. It is possible in Silverlight 2 tho.
If you want to buy something already done: Aurigma Image Uploader is pretty impressive - $USD250 for the ActiveX and Java versions. There's some demos on the site, I'm pretty sure facebook use the same control.