// All part of the Dynamic Star Rating by Jordan Boesch!
// http://creativecommons.org/licenses/by-nc-nd/2.5/ca/
// PRE-LOAD IMAGES -----------------------------

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

  pic2 = new Image(25,75);
  pic2.src = "themes/TBDev/images/ratio/rating_star.gif";

  pic3 = new Image(25,75);
  pic3.src = "themes/TBDev/images/ratio/rating_star_2.gif";

  pic4 = new Image(16,13);
  pic4.src = "themes/TBDev/images/ratio/rating_tick.gif";

  pic5 = new Image(14,14);
  pic5.src = "themes/TBDev/images/ratio/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 ("Your browser does not support 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;

            //alert(res);

            if(res == 'already_voted'){

                loader.style.display = 'block';
                loader.innerHTML = '<div class="voted_twice">Вы уже голосовали!</div>';

            } else {

                loader.style.display = 'block';
                loader.innerHTML = '<div class="voted">Голос принят!</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+' Голос';
                    } else {
                        document.getElementById('showvotes_'+id).innerHTML = newval+' Голосов';
                    }
                }

                var ulRater = document.getElementById('rater_'+id);
                ulRater.className = 'star-rating2';

                var all_li = ulRater.getElementsByTagName('li');

                // start at 1 because the first li isn't a star
                for(var i=1;i<all_li.length;i++){

                    all_li[i].getElementsByTagName('a')[0].onclick = 'return false;';
                    all_li[i].getElementsByTagName('a')[0].setAttribute('href','#');

                }


                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="themes/TBDev/images/ratio/rating_loading.gif" alt="loading" />';
        }

    }
    var url = "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);

}