// Variables
var site_url = "http://www.tracker.in.ua";
var ratings_text_wait = "Please rate only 1 post at a time.";
var ratings_image = "stars";
var ratings_max = "5";
var ratings_mouseover_image = new Image();ratings_mouseover_image.src = site_url + "/images/ratings/" + ratings_image + "/rating_over.gif";
//var ratings = new sack(ratings_ajax_url);
var post_id = 0;
var post_rating = 0;
var ratings_custom = 0;
var is_ie = (document.all && document.getElementById);
var is_moz = (!document.all && document.getElementById);
var is_opera = (navigator.userAgent.indexOf("Opera") > -1);
var is_being_rated = false;

// When User Mouse Over Ratings
function current_rating(id, rating, rating_text) {
	if(!is_being_rated) {
		post_id = id;
		post_rating = rating;
		if(ratings_custom && ratings_max == 2) {
			document.images['rating_' + post_id + '_' + rating].src = eval("ratings_" + rating + "_mouseover_image.src");
		} else {
			for(i = 1; i <= rating; i++) {
				document.images['rating_' + post_id + '_' + i].src = eval("ratings_mouseover_image.src");
			}
		}
		if(document.getElementById('ratings_' + post_id + '_text')) {
			document.getElementById('ratings_' + post_id + '_text').style.display = 'inline';
			document.getElementById('ratings_' + post_id + '_text').innerHTML = rating_text;
		}
	}
}

// When User Mouse Out Ratings
function ratings_off(rating_score, insert_half) {
	if(!is_being_rated) {
		for(i = 1; i <= ratings_max; i++) {
			if(i <= rating_score) {
				document.images['rating_' + post_id + '_' + i].src = site_url + '/images/ratings/' + ratings_image + '/rating_on.gif';
			} else if(i == insert_half) {
				document.images['rating_' + post_id + '_' + i].src = site_url + '/images/ratings/' + ratings_image + '/rating_half.gif';
			} else {
				document.images['rating_' + post_id + '_' + i].src = site_url + '/images/ratings/' + ratings_image + '/rating_off.gif';
			}
		}
		if(document.getElementById('ratings_' + post_id + '_text')) {
			document.getElementById('ratings_' + post_id + '_text').style.display = 'none';
			document.getElementById('ratings_' + post_id + '_text').innerHTML = '';
		}
	}
}

// Process Post Ratings
function rate_post() {	
	if(!is_being_rated) {
		is_being_rated = true;
		//rate_loading_text();
		rate_process();		
	} else {		
		alert(ratings_text_wait);
	}
}


// Process Post Ratings
function rate_process() {
	if(document.forms.rating == null)
	{
		alert("Ваш голос уже учтен :)");
	}
	else
	{
		document.forms.rating.rating.value = post_rating;
		document.forms.rating.submit();
	}
}