Script cookie set etmeden önce tarayıcıya çıktı basıyor. Bu kodların saklı olduğu dosyanın encodign ne bak. Karakter kodlamasını ansi formatına çevir. Notepad++ varsa kolaylıkla olur bu iş. Birde aşağıdaki kodu dene. Ama muhakkak karakter kodlamasını ansi formatına çevirip denemeyi unutma.

<?php session_start();
//Update database information according to your server settings
$conn=mysql_connect('localhost', 'local', '111111') or die("Can't connect to mysql host");
//Select the database to use
mysql_select_db('local') or die("Can't connect to DB");
if(!$_POST['poll'] || !$_POST['pollid']){
    $query=mysql_query("SELECT id, ques FROM questions ORDER BY id DESC LIMIT 1");
    while($row=mysql_fetch_assoc($query)){
        //display question
        echo "<p class=\"pollques\" >

".$row['ques']."</p>";
        $poll_id=$row['id'];
    }
    if($_GET["result"]==1 || $_COOKIE["voted".$poll_id]=='yes'){
        //if already voted or asked for result
        showresults($poll_id);
        exit;
    }
    else{
    //display options with radio buttons
        $query=mysql_query("SELECT id, value FROM options WHERE ques_id=$poll_id");
        if(mysql_num_rows($query)){
            echo '<div id="formcontainer" ><form method="post" id="pollform" action="'.$_SERVER['PHP_SELF'].'" >';
            echo '<input type="hidden" name="pollid" value="'.$poll_id.'" />';
            while($row=mysql_fetch_assoc($query)){
                echo '<p><input type="radio" name="poll" value="'.$row['id'].'" id="option-'.$row['id'].'" /> 
                <label for="option-'.$row['id'].'" >'.$row['value'].'</label></p>';
            }
            echo '<p><input type="submit" class="i_submit" />
            </p></form>';
        }
    }
}
else{
    if($_COOKIE["voted".$_POST['pollid']]!='yes'){
        
        //Check if selected option value is there in database?
        $query=mysql_query("SELECT * FROM options WHERE id='".intval($_POST["poll"])."'");
        if(mysql_num_rows($query)){
            $query="INSERT INTO votes(option_id, voted_on, ip) VALUES('".$_POST["poll"]."', '".date('Y-m-d H:i:s')."', '".$_SERVER['REMOTE_ADDR']."')";
            if(mysql_query($query))
            {
    //line 41            //Vote added to database
                setcookie("voted".$_POST['pollid'], 'yes', time()+86400*300);                
            }
            else
                echo "There was some error processing the query: ".mysql_error();
        }
    }
    showresults(intval($_POST['pollid']));
}
function showresults($poll_id){
    global $conn;
    $query=mysql_query("SELECT COUNT(*) as totalvotes FROM votes WHERE option_id IN(SELECT id FROM options WHERE ques_id='$poll_id')");
    while($row=mysql_fetch_assoc($query))
        $total=$row['totalvotes'];
    $query=mysql_query("SELECT options.id, options.value, COUNT(*) as votes FROM votes, options WHERE votes.option_id=options.id AND votes.option_id IN(SELECT id FROM options WHERE ques_id='$poll_id') GROUP BY votes.option_id");
    while($row=mysql_fetch_assoc($query)){
        $percent=round(($row['votes']*100)/$total);
        echo '
<div class="option" >'.$row['value'].' ('.$percent.'%, '.$row['votes'].'';
        echo '<div class="bar ';
        if($_POST['poll']==$row['id']) echo ' yourvote';
        echo '" style="width: '.$percent.'%; " ></div></div>';
    }
}