jsp...again

Iskam ot obiknowennen html, kato tam imam edno textfield i edin buton, kato natisna submit, se otwarq blabla.jsp, koeto trqbwa, ako move da mi wzema promenliwata ot textfiled-a. nakratko stawa duma , che iskam da si naprawq tyrsachka w sajta na jsp

<form action="blabla.jsp" method="get">
<input type="text" name="searchPattern" size="40">
<input type="submit" name="action" value="Search"
</form>

....
blabla.jsp:

...
<% String searchPattern=request.getParameter("searchPattern");
.... %>

tynak q mi se obadi we