Index: openacs-4/packages/acs-subsite/tcl/callback-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/tcl/callback-procs.tcl,v
diff -u -N -r1.3 -r1.4
--- openacs-4/packages/acs-subsite/tcl/callback-procs.tcl	4 Jun 2006 00:45:42 -0000	1.3
+++ openacs-4/packages/acs-subsite/tcl/callback-procs.tcl	13 Jul 2006 02:29:05 -0000	1.4
@@ -33,3 +33,16 @@
     used to verify if there is another registration process.
     The implementation must return the url of the registration page.
 } - 
+
+ad_proc -callback subsite::get_extra_headers {
+} {
+    returns any further header stuff that needs to be added
+} -
+
+ad_proc -callback subsite::header_onload {
+} {
+    returns any javascript function that needs to be loaded
+    the callback implementation should simply do:
+    return {your_function(params);}
+} -
+