Hi malware fighters,
An event going out of its element, event propagation or bubbling.
See it in action in FF or Flock:
http://www.mozilla.org/docs/xul/xulnotes/bubble.xul
Click in the top left hand corner
Bubbling came in in the technology of IE 4.0 and Netscape had it then, nice for coders if things have to appear simultaneously.
polonus