travesersing the dom with inexact parameters

Posted by rashcroft23 on Stack Overflow See other posts from Stack Overflow or by rashcroft23
Published on 2010-01-15T02:33:47Z Indexed on 2010/06/11 4:02 UTC
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Hi, I want to grab the image src on a product page in a e commerce website.

I'm writing this as a bookmarklet, so I'd like the code to work universally as possible.

I've noticed that there are only two reoccurring factors in the product image tag among top e-commerce websites (amazon, bestbuy ect.): border=0 and 180<width&height<400. So how could I write a selector that would give me the srcof the first img element on the page with no border and width & height between 180 and 400 px? Or is there a better way of doing this?

P.S. since I'm trying to keep the bookmarklet as light as possible, I don't want to use any libraries (jquery, yui etc)

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