Please Help Mod Rewrite Issue

[webie]

Hi to every body I have purchased a new shopping comparsion script and having major issue with mod rewright I have given up on there support this has been on going for months they just past the buck and said its server issue

I can see our it is the server when we have 30 ecommerce website all running Mod rewright we no bother can somebody check this rules please and see why they are not working. just keep getting page can not be found.

server FC4 64bit
PHP5

RewriteRule ^([0-9]*)_[a-zA-Z0-9&-\+\.'"]*/([a-zA-Z0-9&-\+\.'"]*).htm products.php?categoryId=$1&productName=$2 [L,NC]
RewriteRule ^([0-9]*)_[a-zA-Z0-9&-\+\.'"]*.htm category.php?categoryId=$1 [L,NC]
RewriteRule ^index.htm index.php [L,NC]
RewriteRule ^aboutus.htm aboutus.php [L,NC]
RewriteRule ^advertising.htm advertising.php [L,NC]
RewriteRule ^visitor_profile.htm visitor_profile.php [L,NC]
RewriteRule ^visitor_login.htm visitor_login.php [L,NC]
RewriteRule ^visitor_register.htm visitor_register.php [L,NC]
RewriteRule ^visitor_welcome.htm visitor_welcome.php [L,NC]
RewriteRule ^merchant_welcome.htm merchant_welcome.php [L,NC]
RewriteRule ^merchant_login.htm merchant_login.php [L,NC]
RewriteRule ^merchant_logout.htm merchant_logout.php [L,NC]
RewriteRule ^merchant_register.htm merchant_register.php [L,NC]
RewriteRule ^merchant_ranking.htm merchant_ranking.php [L,NC]
RewriteRule ^contactus.htm contactus.php [L,NC]
RewriteRule ^currency.htm currency.php [L,NC]
RewriteRule ^termsofuse.htm termsofuse.php [L,NC]
RewriteRule ^recent_searches.htm recent_searches.php [L,NC]
RewriteRule ^linktous.htm linktous.php [L,NC]
RewriteRule ^merchants.htm merchants.php [L,NC]
RewriteRule ^partnership.htm partnership.php [L,NC]
RewriteRule ^language.htm language.php [L,NC]
RewriteRule ^visitor_change_pwd.htm visitor_change_pwd.php [L,NC]
RewriteRule ^visitor_profile.htm visitor_profile.php [L,NC]
RewriteRule ^visitor_product_rating.htm visitor_product_rating.php [L,NC]
RewriteRule ^visitor_user_rating.htm visitor_user_rating.php [L,NC]
RewriteRule ^visitor_logout.htm visitor_logout.php [L,NC]
RewriteRule ^visitor_forgot_pwd_form.htm visitor_forgot_pwd_form.php [L,NC]
RewriteRule ^search_products.htm search_products.php [L,NC]
RewriteRule ^merchant_detail.htm merchant_detail.php [L,NC]
RewriteRule ^merchant_user_products_public.htm merchant_user_products_public.php [L,NC]
RewriteRule ^products.htm products.php [L,NC]
RewriteRule ^redirect.htm redirect.php [L,NC]
RewriteRule ^micro_category.htm micro_category.php [L,NC]
RewriteRule ^sub_category.htm sub_category.php [L,NC]
RewriteRule ^category.htm category.php [L,NC]
RewriteRule ^category_listing.htm category_listing.php [L,NC]
RewriteRule ^special_offers.htm special_offers.php [L,NC]
RewriteRule ^compare_products.htm compare_products.php [L,NC]
RewriteRule ^user_rating.htm user_rating.php [L,NC]
RewriteRule ^product_rating.htm product_rating.php [L,NC]
RewriteRule ^price_alert_subscribe.htm price_alert_subscribe.php [L,NC]
RewriteRule ^privacy_policy.htm privacy_policy.php [L,NC]
RewriteRule ^email_friend.htm email_friend.php [L,NC]