diff --git a/mozilla/rdf/content/public/idl/XULBroadcastListener.idl b/mozilla/rdf/content/public/idl/XULBroadcastListener.idl
new file mode 100644
index 00000000000..ee1f0c5c165
--- /dev/null
+++ b/mozilla/rdf/content/public/idl/XULBroadcastListener.idl
@@ -0,0 +1,6 @@
+interface XULBroadcastListener {
+/* IID: { 0x2902cba1, 0xc088, 0x11d2, \
+  { 0x96, 0xed, 0x0, 0x10, 0x4b, 0x7b, 0x7d, 0xeb } } */
+
+	void getBroadcaster(out Node node);
+};
diff --git a/mozilla/rdf/content/public/idl/XULBroadcaster.idl b/mozilla/rdf/content/public/idl/XULBroadcaster.idl
new file mode 100644
index 00000000000..23cd561633e
--- /dev/null
+++ b/mozilla/rdf/content/public/idl/XULBroadcaster.idl
@@ -0,0 +1,10 @@
+interface XULBroadcaster {
+/* IID: { 0x574ed81, 0xc088, 0x11d2, \
+  { 0x96, 0xed, 0x0, 0x10, 0x4b, 0x7b, 0x7d, 0xeb } } */
+
+	void addUINode(in Node uiNode);
+	void removeUINode(in Node uiNode);
+};
+
+
+
diff --git a/mozilla/rdf/content/public/idl/XULCommand.idl b/mozilla/rdf/content/public/idl/XULCommand.idl
new file mode 100644
index 00000000000..5d8816656d4
--- /dev/null
+++ b/mozilla/rdf/content/public/idl/XULCommand.idl
@@ -0,0 +1,9 @@
+interface XULCommand {
+/* IID: { 0xb3e3ae1, 0xc075, 0x11d2, \
+  { 0x96, 0xed, 0x0, 0x10, 0x4b, 0x7b, 0x7d, 0xeb } } */
+
+	void doCommand();
+};
+
+
+