Web spider

Hi, I need a web spider writing that I can customize to work on any e-commerce website. (customizable from a simple admin - with a test feature to make sure the spider is working properly) The website spider will return the following into my mysql database: 1. The product price 2. The product URL 3. The product name 4. The product description 5. If the product is instock / out of stock 6. The product image URL 7. The date and time the crawl took place The spider should be fast but it should also leave a 2 second gap between spidering pages. The spider should only spider one domain and not go off onto other domains / websites. The user agent the spider should use is: "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)" many thanks Stu