allow_include.diff

diff --git a/chunks/templatetags/chunks.py b/chunks/templatetags/chunks.py
index 2b06cad..545b451 100644
--- a/chunks/templatetags/chunks.py
+++ b/chunks/templatetags/chunks.py
@@ -7,7 +7,7 @@ register = template.Library()
 Chunk = models.get_model('chunks', 'chunk')
 CACHE_PREFIX = "chunk_"
 
-def do_get_chunk(parser, token):
+def parse_chunk_args(parser, token):
     # split_contents() knows not to split quoted strings.
     tokens = token.split_contents()
     if len(tokens) < 2 or len(tokens) > 3:
@@ -21,23 +21,36 @@ def do_get_chunk(parser, token):
     if not (key[0] == key[-1] and key[0] in ('"', "'")):
         raise template.TemplateSyntaxError, "%r tag's argument should be in quotes" % tag_name
     # Send key without quotes and caching time
-    return ChunkNode(key[1:-1], cache_time)
-    
+    return (key[1:-1], cache_time)
+
+def do_get_chunk(parser, token):
+    args = parse_chunk_args(parser, token)
+    return ChunkNode(*args, include=False)
+
+def do_get_include_chunk(parser, token):
+    args = parse_chunk_args(parser, token)
+    return ChunkNode(*args, include=True)
+
 class ChunkNode(template.Node):
-    def __init__(self, key, cache_time=0):
+    def __init__(self, key, cache_time=0, include=False):
        self.key = key
        self.cache_time = cache_time
+       self.include = include
     
     def render(self, context):
         try:
             cache_key = CACHE_PREFIX + self.key
-            c = cache.get(cache_key)
-            if c is None:
+            content = cache.get(cache_key)
+            if content is None:
                 c = Chunk.objects.get(key=self.key)
-                cache.set(cache_key, c, int(self.cache_time))
-            content = c.content
+                content = c.content
+                if self.include:
+                    t = template.Template(c.content)
+                    content = t.render(context)
+                cache.set(cache_key, content, int(self.cache_time))
         except Chunk.DoesNotExist:
             content = ''
         return content
         
 register.tag('chunk', do_get_chunk)
+register.tag('include_chunk', do_get_include_chunk)
\ No newline at end of file