Alert ''Popup'' message with JQuery

We need a javascript code with jQuery. That's must appear bellow and left on the the screen with effects like MSN popup alert. The design must follow similar at our application design. We have a webmail software developed with ExtJs (javascript framework), and we need make this resource. ## Deliverables Follow in attachments, two screens of our app. Will must develop two design like that screens for "alert popup's".