Index: liveglue.js
===================================================================
--- liveglue.js	(revision 1557)
+++ liveglue.js	(working copy)
@@ -32,6 +32,10 @@
                     connect(outputNum + 1)
                 }
             } else {
+		for (var i in disconnectListeners) {
+		    disconnectListeners[i]()
+		    disconnectListeners = []
+		}
                 last_request = null
             }
         }
@@ -108,7 +112,22 @@
     }
 }
 
+var disconnectListeners = []
 
+function addDisconnectListener(callback) {
+    disconnectListeners.push(callback)
+    return callback
+}
+
+function delDisconnectListener(theListener) {
+    for (var i in disconnectListeners) {
+	if (disconnectListeners[i] == theListener){
+	    disconnectListeners.splice(i, 1)
+	    break
+	}
+    }
+}
+
 function nevow_clientToServerEvent(theTarget, evalAfterDone) {
     if (theTarget != 'close' && liveevil_unload) {
         // Server had previously closed the output; let's open it again.