Abstract: A browser based web conferencing method is disclosed, wherein a request to receive a screen update image of a first layer is transmitted over a network, and the screen update image of the first layer is displayed. A request to receive a screen update image of a second layer is transmitted over the network, and the screen update image of the second layer is displayed, wherein the screen update image of the second layer overlaps the screen update image of the first layer. An image-load script is executed in connection with receiving one of the screen update images, wherein the image-load script executes the request-update script after all of the screen update images of the first layer have been displayed.

Abstract: A browser based web conferencing method is disclosed, wherein Hypertext Markup Language (HTML) code is transmitted to a browser of an attendee computer. A first screen update request is transmitted over a network, and HTML code is received identifying a screen update image of a first layer. A request to receive the screen update image of the first layer is transmitted over the network, and the screen update image of the first layer is displayed. A second screen update request is transmitted over a network, and HTML code is received identifying a screen update image of a second layer. A request to receive the screen update image of the second layer is transmitted over the network, and the screen update image of the second layer is displayed, wherein the screen update image of the second layer overlaps the screen update image of the first layer.