// PRE-LOAD IMAGES -----------------------------

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

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

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

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

// Calculate the rating
function vrate(rating,id,show5,showPerc,showVotes){
	var xmlHttp = GetxmliHttpObject();
	
	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){ 
			var res = xmlHttp.responseText;
			//alert(res);
	
			if(res == 'already_voted'){
				
				loader.style.display = 'block';
				loader.innerHTML = '<div class="voted_twice">سبق وأن قمت بتقييم الفيديو</div>';
				
			} else {
				loader.style.display = 'block';
				loader.innerHTML = '<div class="voted">شكرا لك على التصويت</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;
					document.getElementById('showvotes_'+id).innerHTML = newval;
				}

				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','#');
					
				}
				

			}
		} else {
			loader.innerHTML = '<img src="/images/ajax-loader-gray.gif" alt="loading" />';	
		}
	
	}

	var url = "/ratings/rating_process.php?hash="+Math.random();
	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);


}