add getter

added getter function for field_cost.get_colors()

also added code to add a "back to top" link to each card

lib/cardlib.py

@@ -747,7 +747,7 @@ class Card:
                #force for_html to false to create tootip with forum spoiler
                 outstr += ('<div class="hover_img"><a href="#">[F]</a> <span><p>' 
                            + self.format(gatherer=gatherer, for_forum=for_forum, for_html=False, vdump=vdump).replace('\n', '<br>')
-                           + '</p></span></div>')
+                           + '</p></span></div><a href="#top" style="float: right;">back to top</a>')
             
             outstr += linebreak
 
@@ -1026,5 +1026,8 @@ class Card:
 
         return outstr
             
+    def get_colors(self):
+        return self.__dict__[field_cost].get_colors()
+