// X seconds | 0 : no interval
$cfg["voter-interval"] = "15";
// N (integer) 0 : no limits
$cfg["voter-maxvote"] = "3";
// X seconds | 0 : no expiration
$cfg["voter-expiration"] = "30";



=========================================
$cfg["voter-interval"] = "0";
$cfg["voter-maxvote"] = "0";
-----------------------------------------
何回でも好きに投票できます。
無制限です。
=========================================
$cfg["voter-interval"] = "0";
$cfg["voter-maxvote"] = "1";
-----------------------------------------
一回きり投票できます。
二回目のチャンスはありません。
=========================================
$cfg["voter-interval"] = "0";
$cfg["voter-maxvote"] = "2";
-----------------------------------------
2回投票できます。一回クリックした後
ベージを更新すればすぐに二回目の投票ができます。
=========================================
$cfg["voter-interval"] = "10";
$cfg["voter-maxvote"] = "2";
-----------------------------------------
2回投票できます。一回クリックした後
10秒またないと、二回目が投票ができません。
You can make two votes. After you make the
first vote, you need to wait for 10 seconds
in order to make the second vote.


=========================================
$cfg["voter-expiration"] = "0";
-----------------------------------------
expiration never occures
$cfg["voter-expiration-ref"] does not matter
=========================================
$cfg["voter-expiration"] = "100";
$cfg["voter-expiration-ref"] = "last";
-----------------------------------------
The expiration will occure 100 seconds after the last vote.
When it expires, what happens is the same as clicking the reset button.
=========================================
$cfg["voter-expiration"] = "100";
$cfg["voter-expiration-ref"] = "first";
-----------------------------------------
The expiration will occure 100 seconds after the first vote.

$cfg["voter-expiration-ref"] will make a difference only when
you made more than one votes.