form 입력시 update, insert 등 action 페이지 변환 가능 자바스크립트

<script type="text/javascript">
function OnSubmitForm()
{
if(document.pressed == 'Insert')
{
document.myform.action ="insert.html";
}
else if(document.pressed == 'Update')
{
document.myform.action ="update.html";
}

return true;
}

</script>
<form name="myform" onsubmit="return onsubmitform();">
<input type="submit" name="operation" onclick="document.pressed=this.value" value="insert" />
<input type="submit" name="operation" onclick="document.pressed=this.value" value="update" />
</form>