// 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 = "http://kvartirnik.net.ua/img/rating_loading.gif"; 

  pic2 = new Image(25,75); 
  pic2.src = "http://kvartirnik.net.ua/img/rating_star.gif"; 

  pic3 = new Image(25,75); 
  pic3.src = "http://kvartirnik.net.ua/img/rating_star_2.gif"; 
  
  pic4 = new Image(16,13); 
  pic4.src = "http://kvartirnik.net.ua/img/rating_tick.gif";
  
  pic5 = new Image(14,14); 
  pic5.src = "http://kvartirnik.net.ua/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 ("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">Спасибо!</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+' Vote';
                                        } else {
                                                document.getElementById('showvotes_'+id).innerHTML = newval+' Votes';
                                        }
                                }
                                
                                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="http://kvartirnik.net.ua/img/rating_loading.gif" alt="loading" />';     
                }
        
        }
        var url = "http://kvartirnik.net.ua/rating/index.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);

}