//--------------------- gwiazdki


if (document.images){
  pic1 = new Image(220,19);
  pic1.src = "img/rating_loading.gif";

  pic2 = new Image(25,75);
  pic2.src = "img/rating_star.gif";

  pic3 = new Image(25,75);
  pic3.src = "img/rating_star_2.gif";
  
  pic4 = new Image(16,13);
  pic4.src = "img/rating_tick.gif";
  
  pic5 = new Image(14,14);
  pic5.src = "img/rating_warning.gif";
}

// AJAX ----------------------------------------

var xmlHttp

function GetXmlHttpObject(){

var xmlHttp = null;

    try {
      // Firefox, Opera 8.0+, Safari
      xmlHttp = new XMLHttpRequest();
      }
    catch (e) {
      // Internet Explorer
      try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
      catch (e){
            xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
      }
      
    return xmlHttp;

}

// Calculate the rating
function rate(rating,id,show5,showPerc,showVotes){

    xmlHttp = GetXmlHttpObject()
    
    if(xmlHttp == null){
        alert ("Twoja przeglądarka nie obsługuje AJAX!");
        return;
      }

    xmlHttp.onreadystatechange = function(){
        
    var loader = document.getElementById('loading_'+id);
    var uldiv = document.getElementById('ul_'+id);
    
        if (xmlHttp.readyState == 4){
        
            //loader.style.display = 'none';
            var res = xmlHttp.responseText;
            
            if(res == 'already_voted'){
                
                loader.style.display = 'block';
                loader.innerHTML = '<div class="voted_twice">Już oceniałeś ten produkt!</div>';
                
            } else {
                
                loader.style.display = 'block';
                loader.innerHTML = '<div class="voted">Dziękujemy !</div>';

                if(show5 == true){
                    var out = document.getElementById('outOfFive_'+id);
                    var calculate = res/20;
                    out.innerHTML = Math.round(calculate*100)/100; // 3.47;
                    //out.innerHTML = Math.round((calculate*2),0)/2; // 3.5;
                }
                
                if(showPerc == true){
                    var perc = document.getElementById('percentage_'+id);
                    //var newPerc = Math.round(Math.ceil(res/5))*5;
                    var newPerc = res;
                    perc.innerHTML = newPerc+'%';
                }
                
                else if(showPerc == false){
                    var newPerc = res;
                }
                
                if(showVotes == true){
                    var votediv = document.getElementById('showvotes_'+id).firstChild.nodeValue;
                    var splitted = votediv.split(' ');
                    var newval = parseInt(splitted[0]) + 1;
                    if(newval == 1){
                        document.getElementById('showvotes_'+id).innerHTML = newval+' Ocena';
                    } else if(newval < 5 )
                    {
                    
                    document.getElementById('showvotes_'+id).innerHTML = newval+' Oceny';
                    }else {
                        document.getElementById('showvotes_'+id).innerHTML = newval+' Ocen';
                    }
                }
                
                var ulRater = document.getElementById('rater_'+id);
                ulRater.className = 'star-rating2';
                
                var all_li = ulRater.getElementsByTagName('li');
                
                for(var i=1;i<all_li.length;i++){
                    all_li[i].getElementsByTagName('a')[0].onclick = 'return false;';
                    
                }
                
                if(navigator.appName == 'Microsoft Internet Explorer'){
                    uldiv.style.setAttribute('width',newPerc+'%'); // IE
                 } else {
                    uldiv.setAttribute('style','width:'+newPerc+'%'); // Everyone else
                 }
                
            }
        } else {
            loader.innerHTML = '<img src="img/rating_loading.gif" alt="loading" />';    
        }
    
    }
    var url = "includes/rating_process.php";
    var params = "id="+id+"&rating="+rating;
    xmlHttp.open("POST",url,true);
    xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xmlHttp.setRequestHeader("Content-length", params.length);
    xmlHttp.setRequestHeader("Connection", "close");
    xmlHttp.send(params);

}

if($_POST){

    global $nazwa;
    $id = escape($_POST['id']);
    $rating = (int) $_POST['rating'];
    
    if($rating <= 5 && $rating >= 1){
    
        if(@mysql_fetch_assoc(mysql_query("SELECT id FROM $nazwa WHERE IP = '".$_SERVER['REMOTE_ADDR']."' AND rating_id = '$id'")) || isset($_COOKIE['has_voted_'.$id])){
        
            echo 'Już oceniałes';
            
        } else {

            
            setcookie('has_voted_'.$id,$id,$expire,'/',$domain,false);
            //zapis
            mysql_query("INSERT INTO $nazwa (rating_id,rating_num,IP) VALUES ('$id','$rating','".$_SERVER['REMOTE_ADDR']."')") or die(mysql_error());
            
            $total = 0;
            $rows = 0;
            //odczyt
            $sel = mysql_query("SELECT rating_num FROM $nazwa WHERE rating_id = '$id'");
            while($data = mysql_fetch_assoc($sel)){
        
                $total = $total + $data['rating_num'];
                $rows++;
            }
            
            $perc = ($total/$rows) * 20;
            
            echo round($perc,2);
            //echo round($perc/5)*5;
            
        }
        
    }

}

// IF JAVASCRIPT IS DISABLED

if($_GET){
    
    global $nazwa;
    $id = escape($_GET['id']);
    $rating = (int) $_GET['rating'];
    
    // If you want people to be able to vote more than once, comment the entire if/else block block and uncomment the code below it.
    
    if($rating <= 5 && $rating >= 1){

        if(@mysql_fetch_assoc(mysql_query("SELECT id FROM $nazwa WHERE IP = '".$_SERVER['REMOTE_ADDR']."' AND rating_id = '$id'")) || isset($_COOKIE['has_voted_'.$id])){
        
            echo 'already_voted';
            
        } else {
            
            setcookie('has_voted_'.$id,$id,$expire,'/',$domain,false);
            mysql_query("INSERT INTO $nazwa (rating_id,rating_num,IP) VALUES ('$id','$rating','".$_SERVER['REMOTE_ADDR']."')") or die(mysql_error());
            
        }
        
        header("Location:".$_SERVER['HTTP_REFERER']."");
        die;
        
    }
    else {
    
        echo 'Nie możesz dać więcej niż 5 gwiazdek ani mniej niż 1 <a href="'.$_SERVER['HTTP_REFERER'].'">back</a>';
        
    }
    
    

}