Simple image library for serving up image files at different resolutions.
Useful for serving images for responsive websites.

Author:     Craig Russell
Email:      craig@craig-russell.co.uk
Web:        www.craig-russell.co.uk
Copyright:  Puppy Image (c) 2009 Craig Russell
            Source (c) 2011 Craig Russell

- HOW TO USE -

Image files are defined in the $images array like

$images['id']['scale'] = "file";

    id      A URL safe identifier for the image
    scale   A percentage scale of the image file
            100 is fullsize image
            0   is default image
            Define as many intermediate images as you want
    file    The name of the image file

Images are reqested like
http://localhost/getimage.php?id=html5logo&scale=100