Index: channels/_generic.py
==================================================================
--- channels/_generic.py
+++ channels/_generic.py
@@ -56,10 +56,11 @@
         config = []
         has_search = False
 
         # categories
         categories = ["empty", ]
+        catmap = {}
         current = ""
         default = "empty"
         shown = None     # last selected entry in stream list, also indicator if notebook tab has been selected once / stream list of current category been displayed yet
 
         # gui + data
@@ -131,10 +132,14 @@
                 self.streams = cache
             # categories
             cache = conf.load("cache/categories_" + self.module)
             if (cache):
                 self.categories = cache
+            # catmap (optional)
+            cache = conf.load("cache/catmap_" + self.module)
+            if (cache):
+                self.catmap = cache
             pass
 
             
         # initialize Gtk widgets / data objects
         def gui(self, parent):
@@ -374,11 +379,14 @@
         # update categories, save, and display                
         def reload_categories(self):
         
             # get data and save
             self.update_categories()
-            conf.save("cache/categories_"+self.module, self.categories)
+            if self.categories:
+                conf.save("cache/categories_"+self.module, self.categories)
+            if self.catmap:
+                conf.save("cache/catmap_" + self.module, self.catmap);
 
             # display outside of this non-main thread            
             mygtk.do(self.display_categories)
 
         # insert content into gtk category list
@@ -462,10 +470,15 @@
             return xml.sax.saxutils.unescape(s)
         
         # convert special characters to &xx; escapes
         def xmlentities(self, s):
             return xml.sax.saxutils.escape(s)
+        
+        # Extracts integer from string
+        def to_int(self, s):
+            i = re.findall("\d+", s) or [0]
+            return int(i[0])