Tomcat 4.1.18 & j2sdk1.4.1_01 using servlets

I'm new to writing WEB applications and SERVLETS.
How do I invoke a servlet from HTML. I'm not sure of the
content of the action field. I have a class file that successfully
compiled from the execution of javac.
     <DIV CLASS=C01 STYLE="left:300;top:251;width:121;height:28;"><FORM>
          <INPUT TYPE=submit CLASS=C01 VALUE="LogIn" OnClick="
          this.form.action='//http//localhost:8080/EchoForm';
          this.form.method='post';
          if(!(IE && MAC && V4 && !V5)) this.form.encoding='text/plain'";
     </FORM></DIV>
Any assistance would be greatly appreciated.
Thanks
Ken Martin

Servlets run serverside in a container called servlet runner. you need setup your serlvets in such serlvet runner to be able to use them. then you cann call them like any other web ressource.

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