jQuery.fn.rater = function(url, options)
{
	if(url == null) return;
	var settings = {
		url       : url, // post changes to 
		maxvalue  : 5,   // max number of stars
		curvalue  : 0,    // number of selected stars
		divId     : 0,
		OperandId : 0,
		RatingType: 0,
		CategoryId: 0
	};
	
	if(options) { jQuery.extend(settings, options); };
	jQuery.extend(settings, {cancel: (settings.maxvalue > 1) ? true : false});
	
	var container = jQuery(this);
	jQuery.extend(container, { averageRating: settings.curvalue, url: settings.url });

	if(!settings.style || settings.style == null || settings.style == 'basic') {
		var raterwidth = settings.maxvalue * 25;
		var ratingparent = '<ul class="star-rating" style="width:'+raterwidth+'px">';
	}
	if(settings.style == 'small') {
		var raterwidth = settings.maxvalue * 10;
		var ratingparent = '<ul class="star-rating small-star" style="width:'+raterwidth+'px">';
	}
	if(settings.style == 'inline') {
		var raterwidth = settings.maxvalue * 10;
		var ratingparent = '<span class="inline-rating"><ul class="star-rating small-star" style="width:'+raterwidth+'px">';
	}
	container.append(ratingparent);
	
	// create rater
	var starWidth, starIndex, listitems = '';
	var curvalueWidth = Math.floor(100 / settings.maxvalue * settings.curvalue);
	for(var i = 0; i <= settings.maxvalue ; i++) {
		if (i == 0) {
			listitems+='<li class="current-rating" style="width:'+curvalueWidth+'%;">'+settings.curvalue+'/'+settings.maxvalue+'</li>';
		} else {
			starWidth = Math.floor(100 / settings.maxvalue * i);
			starIndex = (settings.maxvalue - i) + 2;
			listitems+='<li class="star"><a href="#'+i+'" title="'+i+'/'+settings.maxvalue +'" style="width:'+starWidth+'%;z-index:'+starIndex+'">'+i+'</a></li>';
		}
	}
	container.find('.star-rating').append(listitems); // i am using find here, because the span wrapped in the small style would break children()

	if(settings.maxvalue > 1) // add a container for the ajax result
	{
		container.append('<span class="star-rating-result"></span>'); 
	}
	var stars = jQuery(container).find('.star-rating').children('.star');
	stars.click(function()
	{
	
		if(settings.maxvalue == 1) // on / off
		{
			settings.curvalue = (settings.curvalue == 0) ? 1 : 0;
			jQuery(container).find('.star-rating').children('.current-rating').css({width:(settings.curvalue*100)+'%'});
			jQuery.post(container.url, { "rating": settings.curvalue });
			return false;
		}
		else
		{
			
			settings.curvalue = stars.index(this) + 1;
			raterValue = jQuery(this).children('a')[0].href.split('#')[1];
			jQuery(this).children('a')[0].href.split('#')[1]=2;
			jQuery.post(container.url, { "rating": raterValue,
			                             "OperandId": settings.OperandId,
			                             "RatingType": settings.RatingType,
			                             "CategoryId": settings.CategoryId 
			                           }, 
			                           function(response)
			                           {
			                                $('#'+settings.divId+'Result').html("");
			                                if(response == 'hata1')
			                                {
			                                    $('#'+settings.divId+'Result').html("Kullanici girişi yapmalısınız !");
			                                    //container.children('.star-rating-result').html("Kullanıcı girişi yapmalısınız!");
			                                }
			                                else if(response == 'hata2')
			                                {
			                                    $('#'+settings.divId+'Result').html("Daha Önce Oylama Yaptınız !");
			                                    //container.children('.star-rating-result').html("oylmam girişi yapmalısınız!");
			                                }
			                                else
			                                {
			                                $('#'+settings.divId).html("");
			                                $('#'+settings.divId).rater('RatingPost.aspx', {style: 'basic',
			                                                                                curvalue:response, 
			                                                                                divId:settings.divId,
			                                                                                OperandId:settings.OperandId,
			                                                                                RatingType:settings.RatingType,
			                                                                                CategoryId:settings.CategoryId
			                                                                                });
			                                }
		
			});

			return false;
		}
		return true;
	});

	return this; // strict warning: anonymous function does not always return a value. fix?
}