Calling an situation-sensetive action in an jsp-file

Hi all,
I have to call an action (kind of: <html:form action="/actions/myInfos/studentListTaskBeurteilungenAction.do" method="POST"> in an jsp file, but I have to give the action two paramters as well I have in this jsp.
I tried things like:
<c:set var="tt" value="${requestScope.info}"/>
<html:form action="/actions/myInfos/studentListTaskBeurteilungenAction.do?studgruppe='<c:out value='${tt[5]}' default='?'/>'&taskgruppe=<c:out value='${tt[6]}' default='?'/>" method="POST">
but there is a problem with the "s and 's , because he doesnt understand, that he has to intepret the commands to get a String out of them but thinks they are already the strings.
Does anybody know, how to solve this problem. (Without Forms if possible, because in the target-action i'm using a different form than in the source-action.
Thank you all
Thomas

<c:ur var="action" value="/actions/myInfos/studentListTaskBeurteilungenAction.do">
<c:param name="studgruppe" value="${tt[5]}"/>
<c:param name="taskgruppe" value="${tt[6]}"/>
</c:url>
<html:form action="${action}" method="POST">

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