Complete Modification of Advance Search and SEO URLs

I use Cre Loaded 6.3 Pro as the template for my web site [login to view URL] I've finally got the design of the "Advanced Search" page to where I want it, but I'm not proficient enough with PHP to get the searches to return the proper products. I also have my URLs partially optimized for search engines, but I need to make a few more changes. So I need someone to: *Write code so that the search boxes on my Advanced Search page([login to view URL])return a list of products that meet the search. As you can see, I've designed the front end. Now the customer should be able to select multiple fields (e.g., the "Species" and "Activity" boxes) and multiple items from each field (Bathing and Breeding from the "Activity" box). They should also be able to use the text box at the top of the page in combination with the dropdown lists in the lower pane. I believe this simply requires changes to my [login to view URL] file (but I'm not smart enough to do it). In regards to style, I would like the default selection for each box (e.g., "All Ages" for the "Age" box) to be italicized. Last, for the "Price" box I wanted it sorted as a number (it currently sorts as a text field) and if a $ sign can be inserted before each price (item) in that box that would be nice (but not critical, let me know if it greatly increases the cost of the bid). For your convenience I've attached the [login to view URL] file from the root directory and the [login to view URL] file from the Templates/Content directory so you can see what I've done for the front end. *Remove the product codes (and index codes) from my URLs. I believe this simply requires changes to my .htaccess and [login to view URL] files. For example, change the code so the URL: [login to view URL] is now displayed as [login to view URL] I need similar change for my category pages. For example, change: [login to view URL] to [login to view URL] Please contact me with questions. Happy bidding. Thanks.