Write a simple width/height jQuery script

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Bids
5
Avg Bid (USD)
$9 / hr
Project Budget (USD)
$2 - $15 / hr

Project Description:
I need a very simple jQuery script that does the following:

1) Get width and height of window using something like: $ (document). ready(function () { showWidth(".pre_banner", $(window).width()); });

2) Looks for these break points. and store the corresponding width and height as variables.
If window is larger than 1400px wide, width = 600px, height = 400px;
If window is 1000px to 1399px wide, width = 500px, height = 300px;
etc. I will define all the sizes, you just need to make sure I can add more easily

3) Display this image where the 1st variable (width) and 2nd variable (height) are the variables from #2
http://i0.wp.com/i40.tinypic.com/2ez7i36.jpg?resize=600,400

As the window size changes so should the width/height variables of the image, reloading the src with the proper ending when needed.

I know javascript may be slightly faster but please use jQuery.

Hours of work: Unspecified Project Duration: < 1 week Skills required:
AJAX, Javascript, jQuery / Prototype
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