I need to know how to script Firefox

Question

I need to automate something like this:
1) Open an URL
2) Wait until the page is fully loaded
3) Save COMPLETE page as... (I can provide a name).
I saw https://developer.mozilla.org/en/Command_Line_Options but I can't find an option to invoke the command "save page as... (in mode Web page complete)". So I can have all css, js, xml and related files needed to display the page.
I know Python that I could use it if I find a way to "talk" to Firefox. The webbrowser module is not help here since it doesn't allow to save a page: http://docs.python.org/library/webbrowser.html
I am openned to any kind of solution.

Answer 1

I think you can do this in Firefox 8 with the opacity css property. See the example at https://developer.mozilla.org/en/CSS/opacity<br>
I have tried this on a simple image with a classname of "opacity". For a nice fade in/out effect you can add a transition with 4 extra lines of css.<br>
<code>
img.opacity {
opacity: 0.4;
-moz-transition-property: opacity;
-moz-transition-duration: 1s; }
img.opacity:hover {
opacity: 1.0;
-moz-transition-property: opacity;
-moz-transition-duration: 1s; }
</code>