Scroller = {
	// control the speed of the scroller.
	// dont change it here directly, please use Scroller.speed=50;
	speed:10,

	// returns the Y position of the div
	gy: function (d) {
		gy = d.offsetTop
		if (d.offsetParent) while (d = d.offsetParent) gy += d.offsetTop
		return gy
	},

	// returns the current scroll position
	scrollTop: function (){
		body=document.body
	    d=document.documentElement
	    if (body && body.scrollTop) return body.scrollTop
	    if (d && d.scrollTop) return d.scrollTop
	    if (window.pageYOffset) return window.pageYOffset
	    return 0
	},

	// attach an event for an element
	// (element, type, function)
	add: function(event, body, d) {
	    if (event.addEventListener) return event.addEventListener(body, d,false)
	    if (event.attachEvent) return event.attachEvent('on'+body, d)
	},

	// kill an event of an element
	end: function(e){
		if (window.event) {
			window.event.cancelBubble = true
			window.event.returnValue = false
      		return;
    	}
	    if (e.preventDefault && e.stopPropagation) {
	      e.preventDefault()
	      e.stopPropagation()
	    }
	},
	
	// move the scroll bar to the particular div.
	scroll: function(d){
		i = window.innerHeight || document.documentElement.clientHeight;
		h=document.body.scrollHeight;
		a = Scroller.scrollTop()
		if(d>a)
			if(h-d>i)
				a+=Math.ceil((d-a)/Scroller.speed)
			else
				a+=Math.ceil((d-a-(h-d))/Scroller.speed)
		else
			a = a+(d-a)/Scroller.speed;
		window.scrollTo(0,a)
	  	if(a==d || Scroller.offsetTop==a)clearInterval(Scroller.interval)
	  	Scroller.offsetTop=a
	},
	// initializer that adds the renderer to the onload function of the window
	init: function(){
		Scroller.add(window,'load', Scroller.render)
	},

	// this method extracts all the anchors and validates then as # and attaches the events.
	render: function(){
		a = document.getElementsByTagName('a');
		Scroller.end(this);
		window.onscroll
	    for (i=0;i<a.length;i++) {
	      l = a[i];
	      if(l.href && l.href.indexOf('#') != -1 && ((l.pathname==location.pathname) || ('/'+l.pathname==location.pathname)) ){
	      	Scroller.add(l,'click',Scroller.end)
	      		l.onclick = function(){
	      			Scroller.end(this);
		        	l=this.hash.substr(1);
		        	 a = document.getElementsByTagName('a');
				     for (i=0;i<a.length;i++) {
				     	if(a[i].name == l){
				     		clearInterval(Scroller.interval);
				     		Scroller.interval=setInterval('Scroller.scroll('+Scroller.gy(a[i])+')',10);
						}
					}
				}
	      	}
		}
	}
}
// invoke the initializer of the scroller
Scroller.init();

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

  pic2 = new Image(16,50); 
  pic2.src = parent.skin_path+"/images/rating_star.gif"; 

  pic3 = new Image(16,50); 
  pic3.src = parent.skin_path+"/images/rating_star_2.gif"; 
  
  pic4 = new Image(16,13); 
  pic4.src = parent.skin_path+"/images/rating_tick.gif";
  
  pic5 = new Image(14,14); 
  pic5.src = parent.skin_path+"/images/rating_warning.gif";
}

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 already voted!</div>';
				
			} else {
				
				rat_message.style.display = 'block';
				rat_message.innerHTML = '&nbsp;&nbsp;&nbsp;<font color="#FFFFFF"><b>Thanks</b></font>'; // thanks for voting..

				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="'+parent.skin_path+'/images/rating_loading.gif" alt="loading" />';	
		}
	
	}
	var url = parent.root_path+"/rate.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);

}