How to call other method using struts

Hi,
in my TestAction.java,
i have 2 method, one is execute(...) and another is changeABC(...)
in jsp,
when i onchange, i call a javascript
function onSwitch()
document.forms[0].action.value = "changeABC";
document.forms[0].submit();
<html:form action="/test.do">
</html:form>
test.do will call TestAction.java and TestActionForm.java.
y when i submit, it keep calling the execute method??
How i suppose to do to enable it call changeABC method??
pls advice.. thanks

hi
i am sending u one plz reply as soon as possible

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