Filter Mail Pass theo colum

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en">
<head>

    <title>Filter MP</title>
    <style type="text/css">
    body
{
    background-color: #333333;
    font-size: 9pt;
    font-family:Verdana;
    line-height:12pt;
    color: #cccccc;
}
h2
{
    color: #FFCC00;
}
</style>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.9.1/jquery-ui.min.js"></script>

</head>
<body>

<div align="center">
    <h1>Mail Pass Filter</h1>
</div>
<form method="post">
    <div align="center">
        <textarea name="mailpass" id="mailpass" cols="80" rows="20">Input</textarea>
        <textarea name="mpresult" id="mpresult" cols="50" rows="20">Output</textarea><br /><br />
        Delimiter: <input type="text" name="delim" id="delim" value="|" size="1" />| Email:<input name="sttemail" id="sttemail" type="text" value="0" size="1" /> | Pass:<input name="sttpass" id="sttpass" type="text" value="1" size="1" />


        <input type="button" value=" Start " id="submit" /><br /><br />

</form>
<script>
function filterMP(mp, delim, sttemail, sttpass){
    var mps = mp.split("\n");
    var filtered = new Array();
    var lstMP = new Array();
    for(var i=0;i<mps.length;i++){
        if(mps[i].indexOf('@')!=-1){
            var infoMP = mps[i].split(delim);
            var email = $.trim(infoMP[sttemail]);
            var pwd = $.trim(infoMP[sttpass]);
            if(filtered.indexOf(email.toLowerCase())==-1){
                filtered.push(email.toLowerCase());
                lstMP.push(email+'|'+pwd);
                    }
        }
    }
    return lstMP;
}

$(document).ready(function(){
         $('#submit').click(function(){
        var delim = $('#delim').val().trim();
        var sttemail = $('#sttemail').val().trim();
        var sttpass = $('#sttpass').val().trim();
        var mailpass = filterMP($('#mailpass').val(), delim, sttemail, sttpass);
        $('#mpresult').val(mailpass.join("\n"));
        });

});


</script>

</body>
</html>