자바스크립트로 post, get메서드의 form 전송

############# frm_test.html #############

<script type="text/javascript">
function createForm(frm_name,frm_method,frm_action,frm_target) {
    var f=document.createElement("form");
    f.name=frm_name;
    f.method=frm_method;
    f.action=frm_action;
    f.target=frm_target;
    return f;
}
function addHidden(f,input_type,input_name,input_id,input_value) {
    var i=document.createElement("input");
    i.type=input_type;
    i.name=input_name;
    i.id=input_id;
    i.value=input_value;
    f.insertBefore(i);
    return f;
}
var frm=createForm("frm_test", "post", "frm_test.php", "");
frm=addHidden(frm, "hidden", "mode", "mode", "login");
frm=addHidden(frm, "hidden", "id", "id", "duellist");
frm=addHidden(frm, "hidden", "password", "password", "1234");
document.insertBefore(frm);
frm.submit();
</script>

################## frm_test.php ##################

<?php
echo "mode : ".$_POST['mode'];
echo "id : ".$_POST['id'];
echo "password : ".$_POST['password'];
?>

################## 출력결과 ##################

mode : login

id : duellist

password : 1234