Loading a file from user's computer

Hi,

In my Flash application, I would like a user to be able to import a picture from their hard drive. Basically, the app allows the user to customize an object. One of the steps of customization should be to add an image of their choice.

Is there a way  in Flash to allow the user to pick a file from their hard drive, which is then read into memory and made accessible to an application? I would like to take the data and upload it to a server to store it for future sessions.

Thanks!