Index: lams_tool_chat/web/pages/learning/chat_app.js
===================================================================
RCS file: /usr/local/cvsroot/lams_tool_chat/web/pages/learning/Attic/chat_app.js,v
diff -u -r1.4 -r1.5
--- lams_tool_chat/web/pages/learning/chat_app.js	9 Aug 2006 02:59:15 -0000	1.4
+++ lams_tool_chat/web/pages/learning/chat_app.js	9 Aug 2006 03:29:49 -0000	1.5
@@ -275,6 +275,9 @@
 	}
 }
 function sendMsg(aForm) {
+	if (aForm.msg.value == "") {
+		return false;  // do not send empty messages.
+	}
 	var aMsg = new JSJaCMessage();
 	var rosterList = document.getElementById("roster_user_selector");
 	var selectedIndex = rosterList.selectedIndex;