Sending (and receiving) data to a flash using javascript

In the old days I used to work with flash and it was always a problem to send data to the flash from the HTML level. As it looks it is really simple now to do exactly this: simple calling a java script method described in this tutorial from adobe. In this tutorial you can learn how to send and receive a string from (and to) a text field in flash to (and from) a HTML form using java script function calls.