How to check the web services like apache and tomcat?

Dear all,

i am a fresh nagios user and i am unable to define the services that allows me to check the webservers like apache and tomcat… do i need extra plugins for this purpose and how shall i define such service for windows servers.

I ll be grateful if you explain it to me.

plus i am not getting the notificvcations in my email id though i have defined my email id properly???

reagards
rajanmaharjan
nepal