Previewing an image before uploading

Hi,
I would like to upload images in my application and save those uploaded images to one folder in my system, i could do that with any problem. But i have to preview the image before uploading.
How to do this in JSP or either in html?
please help me in doing this..
thanks in advance

Write the image to some temporary location in your server machine. Either public or non-public. If non-public, you could use a servlet to display the image. If the end user has somehow confirmed the preview, then just move that image to the desired permanent location.
Working with file paths isn't going to work. IE is the only browser which is so dumb that it sends the complete client side file path along with the file name. In other browsers you won't know from which client side path the image is been uploaded.

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Previewing an image before uploading

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