Index: openacs-4/packages/acs-templating/tcl/richtext-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/tcl/richtext-procs.tcl,v
diff -u -r1.22 -r1.23
--- openacs-4/packages/acs-templating/tcl/richtext-procs.tcl	20 Jun 2006 22:45:58 -0000	1.22
+++ openacs-4/packages/acs-templating/tcl/richtext-procs.tcl	6 Jul 2006 20:09:47 -0000	1.23
@@ -371,7 +371,8 @@
     set package_id_templating [apm_package_id_from_key "acs-templating"]
 
     set user_agent [string tolower [ns_set get [ns_conn headers] User-Agent]]
-    if { [string first "safari" $user_agent] != -1 } { 
+    if { [string first "safari" $user_agent] != -1 ||
+	 [string first "opera"  $user_agent] != -1 } { 
       set htmlarea_p 0
     } elseif { [exists_and_not_null element(htmlarea_p)] } {
       set htmlarea_p [template::util::is_true $element(htmlarea_p)]
Index: openacs-4/packages/acs-templating/www/resources/mktree.js
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/www/resources/mktree.js,v
diff -u -r1.2 -r1.3
--- openacs-4/packages/acs-templating/www/resources/mktree.js	4 Jun 2006 00:45:48 -0000	1.2
+++ openacs-4/packages/acs-templating/www/resources/mktree.js	6 Jul 2006 20:09:47 -0000	1.3
@@ -136,6 +136,10 @@
 
 // Search the document for UL elements with the correct CLASS name, then process them
 function convertTrees() {
+  // this is a check in opera to avoid multiple renderings
+        if (typeof window.treeClass != 'undefined') {
+	  return;
+	}
 	setDefault("treeClass","mktree");
 	setDefault("nodeClosedClass","liClosed");
 	setDefault("nodeOpenClass","liOpen");