3 Myths of Ajax and Accessibility

Screen readers mostly work by plugging into IE or Firefox and reading what's on the screen. It doesn't matter how it got there. More advanced ones actually let you fire off onmouseover and onclick events using the keyboard and will inform the listener that there is an action worth considering. That's more feedback than sighted users get sometimes. Screen readers do have a problem with content that's generated at a point on the screen that has already been read.

Read Article