Firefox extension: Paste javascript into a web page

Question

I want to insert some script on each page that have some functions that will be called by the modified HTML of this page using the Firefox extension. I can insert JavaScript into the head of the HTML and also change the page, but the java script function is not called by the onmouseover event. Someone has a pointer to how to do this using a java script in a local extension or as an online resource.

No GreaseMonkey, I need to do this with my plugin and not ask the user to install greasemonkey, my plugin and scripts.

Answer 1

Greasemonkey does this. Fine!

Answer 2

Greasemonkey script. . Userscripts.org .

Answer 3

Greasemonkey? javascript Firefox, , , , .

Answer 4

DOM Firebug. , . . , javascript Firebug ( la python/ruby)

Answer 5

Greasemonkey-to-extension ( -):

Arantius GM Gina Trapani multiple-GM- script

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