js里提交action的问题

Question

<form action="xx.jsp" target="name">

Answer 1

<SCRIPT LANGUAGE="JavaScript">
<!--
function test() {
document.getElementById('tt').value="下面的FORM";
alert('myform2')
document.getElementsByTagName('form')[1].action='test.html';
document.getElementsByTagName('form')[1].submit();
}
//-->
</SCRIPT>
<form name='myform1'></form>
<input type="button" value="submit" onclick="test();">
<form name='myform2'><input type="text" id="tt"></form>

Answer 2

window.frames["下一帧名称"].document.forms[0].submit();

Answer 3

window.parent.frames["下一帧名称"].document.forms[0].submit();