Creating drop down menus in JSP using custom tags

Hi, i am working on a JSP which has custom tags for displaying menubar and menus, now i want to have these menus converted into drop down menus, and the submenus displayed onmouseover event. I am getting solutions with pure html page calling javascript functions.But i dont need this, i want the work done by my TagHandler class which sends the output to output stream, which in turn is transformed in to actual HTML by a XSLT embedded in my JSP.
Please help as i am new to custom tags, and desperately in need of help.
If possible give some sample code or useful links.
I will be highly grateful.
Thankx in advance

that's fine, but the tag has to, ultimately, generate the HTML/Javascript stuff like you've already seen.

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    "sbruem" <[email protected]> wrote in
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