diff -urN mingplot-0.3/amazonplot.rb mingplot-0.3.new/amazonplot.rb
--- mingplot-0.3/amazonplot.rb	2004-03-23 16:59:55.000000000 +0900
+++ mingplot-0.3.new/amazonplot.rb	2008-04-11 01:49:32.000000000 +0900
@@ -41,14 +41,14 @@
 
   def get_xml_host_name (locale)
     xml_host_table = {
-      "jp" => "xml.amazon.co.jp",
-      "fr" => "xml-eu.amazon.com",
-      "de" => "xml-eu.amazon.com",
-      "uk" => "xml-eu.amazon.com",
-      "ca" => "xml.amazon.com",
-      "us" => "xml.amazon.com",
+      "jp" => "ecs.amazonaws.jp",
+      "fr" => "ecs.amazonaws.fr",
+      "de" => "ecs.amazonaws.de",
+      "uk" => "ecs.amazonaws.co.uk",
+      "ca" => "ecs.amazonaws.ca",
+      "us" => "ecs.amazonaws.com",
     }
-    (xml_host_table[locale] or "xml.amazon.com")
+    (xml_host_table[locale] or "ecs.amazonaws.com")
   end
 end
 
@@ -201,32 +201,32 @@
     response = nil
     Net::HTTP.start(@service_host, 80) {|http|
       query = CGI.escape(key)
-      format = "/onca/xml3?t=%s&dev-t=%s&AsinSearch=%s&type=%s&f=%s&locale=%s"
-      path = sprintf(format, 
-                     "webservices-20", @token, query, "heavy", "xml", @locale)
+      format = "/onca/xml?Service=AWSECommerceService&SubscriptionId=%s&AssociateTag=%s&Operation=ItemLookup&ItemId=%s&ResponseGroup=%s&Version=%s"
+      path = sprintf(format,
+                     @token, @id, query, "Medium,OfferFull,Reviews", "2007-07-16")
       response = http.get2(path)
     }
     REXML::Document.new(response.body)
   end
 
   def collect_info (doc)
-    prefix = "/ProductInfo/Details/"
+    prefix = "/ItemLookupResponse/Items/Item/"
     info = Hash.new
-    info[:asin]  = get_string(doc, prefix + "Asin")
+    info[:asin]  = get_string(doc, prefix + "ASIN")
     info[:rank]  = get_number(doc, prefix + "SalesRank")
-    info[:price] = get_number(doc, prefix + "OurPrice")
-    info[:used_price] = get_number(doc, prefix + "UsedPrice")
-    info[:third_party_price] = get_number(doc, prefix + "ThirdPartyNewPrice")
-    info[:release_date] = get_string(doc, prefix + "ReleaseDate")
-    info[:rating] = get_number(doc, prefix + "Reviews/AvgCustomerRating")
-    info[:nreviews] = get_number(doc, prefix + "Reviews/TotalCustomerReviews")
-    info[:title] = get_string(doc, "/ProductInfo/Details/ProductName")
-    info[:author] = get_string(doc, prefix + "Authors/Author", true)
-    info[:artist] = get_string(doc, prefix + "Artists/Artist", true)
-    info[:manufacturer] = get_string(doc, prefix + "Manufacturer")
-    info[:catalog] = get_string(doc, prefix + "Catalog")
-    info[:image_url] = get_string(doc, prefix + "ImageUrlMedium")
-    info[:features] = get_string(doc, prefix + "Features/Feature", true)
+    info[:price] = get_number(doc, prefix + "Offers/Offer[Merchant/Name/text()='Amazon.co.jp']/OfferListing/Price/Amount")
+    info[:used_price] = get_number(doc, prefix + "OfferSummary/LowestUsedPrice/Amount")
+    info[:third_party_price] = get_number(doc, prefix + "Offers/Offer[(Seller/Nickname or Merchant/Name/text() != 'Amazon.co.jp')]")
+    info[:release_date] = get_string(doc, prefix + "ItemAttributes/PublicationDate") || get_string(doc, prefix + "ItemAttributes/ReleaseDate")
+    info[:rating] = get_number(doc, prefix + "CustomerReviews/AverageRating")
+    info[:nreviews] = get_number(doc, prefix + "CustomerReviews/TotalReviews")
+    info[:title] = get_string(doc, prefix + "ItemAttributes/Title")
+    info[:author] = get_string(doc, prefix + "ItemAttributes/Author", true)
+    info[:artist] = get_string(doc, prefix + "ItemAttributes/Artist", true)
+    info[:manufacturer] = get_string(doc, prefix + "ItemAttributes/Manufacturer")
+    info[:catalog] = get_string(doc, prefix + "ItemAttributes/ProductGroup")
+    info[:image_url] = get_string(doc, prefix + "MediumImage/URL")
+    info[:features] = get_string(doc, prefix + "ItemAttributes/Feature", true)
     info[:locale] = @locale
     info[:associate_id] = @id
     return info
@@ -236,7 +236,7 @@
   def search (key)
     doc = search_amazon(key)
 
-    if get_string(doc, "ProductInfo/ErrorMsg") # error occurred
+    if get_string(doc, "/ItemLookupResponse/Items/Request/Errors/Error/Message")
       return nil
     else
       info = collect_info(doc)