So, I have an SVG graphic embedded in an html page.<BR><BR>within the svg are some mouseover events that do some re-drawing stuff.<BR><BR>Now I want the containing page to also make some updates ...

These forms use HTML markup and optionally JavaScript functions. ... This code includes an ID attribute value, which will allow you to identify the element in script. Call a JavaScript function.

I mentioned earlier that functions are not technically required. This is true, but -- depending on the script -- the lack of functions could take what is considered a well-thought-out, useful script ...