[jQuery] get an image from an input field just with javascript

[jQuery] get an image from an input field just with javascript


Hello everybody,
I wonder, is it possible to load an image (which the user is choosing
by a form) directly with javascript without submitting the form?
For instance, I could have:
<form>
     <strong>Page Background: </strong>
     <input id="bg_image_path" type="file" name="bg_image" />
<em>Upload the image that you want to use as a background.</
em>
<a id="preview_btn" href="javascript:void(0);" >PREVIEW</a>
<input type="submit" value="SUBMIT" class="form_button">
</form>
If they press SUBMIT the form goes to the server but, if before, they
want to see a preview they can have it clicking the PREVIEW link... of
course. ;-)
I'm working on this preview just using javascript, is there a way to
get the picture and not the just path???
Because if I write:
$("#bg_image_path").val();
I'll get just the path.
Thanks in advance.
Andrea