Hello,   the first problem with Ajax uploader is that the input button dissapears after the modalpopup is shown (the button is visible for only a second). But it still works if you click on the position where the button should be located. After selecting a file, a white rectangle appears in the upper left corner and nothing ...

I am placing a modal window on the screen, using the modal popup extender in the AJAX Control Toolkit.  The window works find, but if the user clicks an area in the modal panel that just happens to be on top of the AJAXUploader upload button (an ImageButton control that triggers the upload file selection), the ImageButton clicks, and I get ...