jsp tag coloring

[Jmade]

Hello,
I would like to know if anyone has develop a jsp standard tag extension 
recognition. In particular how to implement a custom tag handler for your 
tag and standard one: 
<% %> <%= %><%@ %> and so on....
<myTag:someTag name="pippo">
...
</myTag:someTag>


How to color it, when emacs parse the code?
Thanks for all your help.
Eli Spizzichino