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 ----------------------------------------
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">You have already voted!</div>';

			} else {
				loader.style.display = 'block';
				loader.innerHTML = '<div class="voted">Ευχαριστούμε για την ψήφο σας!</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 = 'παρακαλούμε περιμένετε...';	
		}
	}

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);
} 

function rate2(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">You have already voted!</div>';
			} else {
				loader.style.display = 'block';
				loader.innerHTML = '<div class="voted">Ευχαριστούμε για την ψήφο σας!</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 = 'παρακαλούμε περιμένετε...';	
		}
	}
	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);
}