// checks with the given intervall if dirty components are available to rerender
jsc = new JSAndCSSComponent("intervall", this.getClass(), null, null, false, null, InstantMessagingModule.getCHAT_POLLTIME());
chatContent.put("updatecontrol", jsc);
InstantMessagingModule.getAdapter().getClientManager().registerEventListener(username, this, false);
sendMessageForm = new SendMessageForm(ureq, getWindowControl());
sendMessageForm.addControllerListener(this);
sendMessageForm.resetTextField();
chatMsgFieldPanel = new Panel("chatMsgField");
chatMsgFieldPanel.setContent(chatMsgFieldContent);