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Chapter 2. Searching > Tweaking Search URLs - Pg. 27

Just type your query in the search box, leave the "only in . . . " option checked, and click Search. Any matching auctions found in the current category (or subcategories, if applicable) will then be shown. You can jump out of the search and return to the unfiltered category view by clicking the View Category link in the upper right. Categorize Your Search Whether you started your search from a category listing or from the search box on another page, a selection of categories with matching auctions will be shown in the Matching Categories box on the left, and the current category (if applicable) will be shown at the top of the page. You can navigate through the categories without disrupting the search filter. To go up a level, click the higher-level category names at the top of the page. To drill down to more specific categories and narrow your search, click the desired subcategory in the Matching Categories box. The numbers shown in parentheses after the subcategory names repre- sent the number of matching auctions in those categories. However, since different categories are indexed at different times, these numbers may not be entirely accurate. Don't be alarmed if you click "Home Decor (575)" only to find 573 matching auctions inside. Tweaking Search URLs Tap into eBay's massive database right from your own address bar. eBay is essentially a massive database. Every time you view an auction page, you're just looking at a single database record. Every time you search, you're performing a query. But even if you're not familiar with DB lingo, you can play with eBay's URLs to tweak what you see. Auction Pages Many pages on eBay use a standard CGI (Common Gateway Interface) format, which is nothing more than a program name followed by a command and one or more pa- rameters: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3128013703 Here, cgi.ebay.com is the name of the server, eBayISAPI.dll is the filename of the pro- gram, ViewItem is the command to execute, and item=3128013703 is a parameter. Any additional parameters are separated by ampersands ( & ). Tweaking Search URLs | 27