// Variables
var site_url = "http://www.freegroup.org";
var ratings_ajax_url = "/wp-content/plugins/postratings/postratings.php";
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 + "/wp-content/plugins/postratings/images/" + ratings_image + "/rating_over.gif";
var ratings = new sack(ratings_ajax_url);
var post_id = 0;
var post_rating = 0;
var rate_fadein_opacity = 0;
var rate_fadeout_opacity = 100;
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;


// Post Ratings Fade In Text
function rade_fadein_text() {
	if(rate_fadein_opacity < 100) {
		rate_fadein_opacity += 10;
		if(is_opera)  {
			rate_fadein_opacity = 100;
		} else	 if(is_ie) {
			document.getElementById('post-ratings-' + post_id).filters.alpha.opacity = rate_fadein_opacity;
		} else	 if(is_moz) {
			document.getElementById('post-ratings-' + post_id).style.MozOpacity = (rate_fadein_opacity/100);
		}
		setTimeout("rade_fadein_text()", 100); 
	} else {
		rate_fadein_opacity = 100;
		rate_unloading_text();
		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;
		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 + '/wp-content/plugins/postratings/images/' + ratings_image + '/rating_on.gif';
			} else if(i == insert_half) {
				document.images['rating_' + post_id + '_' + i].src = site_url + '/wp-content/plugins/postratings/images/' + ratings_image + '/rating_half.gif';
			} else {
				document.images['rating_' + post_id + '_' + i].src = site_url + '/wp-content/plugins/postratings/images/' + 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 = '';
		}
	}
}


// Post Ratings Loading Text
function rate_loading_text() {
	document.getElementById('post-ratings-' + post_id + '-loading').style.display = 'block';
}


// Post Ratings Finish Loading Text
function rate_unloading_text() {
	document.getElementById('post-ratings-' + post_id + '-loading').style.display = 'none';
}


// 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(rate_fadeout_opacity > 0) {
		rate_fadeout_opacity -= 10;
		if(is_opera) {
			rate_fadein_opacity = 0;
		} else if(is_ie) {
			document.getElementById('post-ratings-' + post_id).filters.alpha.opacity = rate_fadeout_opacity;
		} else if(is_moz) {
			document.getElementById('post-ratings-' + post_id).style.MozOpacity = (rate_fadeout_opacity/100);
		}
		setTimeout("rate_process()", 100); 
	} else {
		rate_fadeout_opacity = 0;
		ratings.reset();
		ratings.setVar("pid", post_id);
		ratings.setVar("rate", post_rating);
		ratings.method = 'GET';
		ratings.element = 'post-ratings-' + post_id;
		ratings.onCompletion = rade_fadein_text;
		ratings.runAJAX();
		rate_fadein_opacity = 0;
		rate_fadeout_opacity = 100;
	}
}

/* Simple AJAX Code-Kit (SACK) v1.6.1 */
/* ?2005 Gregory Wild-Smith */
/* www.twilightuniverse.com */
/* Software licenced under a modified X11 licence,
   see documentation or authors website for more details */

function sack(file) {
	this.xmlhttp = null;

	this.resetData = function() {
		this.method = "POST";
  		this.queryStringSeparator = "?";
		this.argumentSeparator = "&";
		this.URLString = "";
		this.encodeURIString = true;
  		this.execute = false;
  		this.element = null;
		this.elementObj = null;
		this.requestFile = file;
		this.vars = new Object();
		this.responseStatus = new Array(2);
  	};

	this.resetFunctions = function() {
  		this.onLoading = function() { };
  		this.onLoaded = function() { };
  		this.onInteractive = function() { };
  		this.onCompletion = function() { };
  		this.onError = function() { };
		this.onFail = function() { };
	};

	this.reset = function() {
		this.resetFunctions();
		this.resetData();
	};

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				this.xmlhttp = null;
			}
		}

		if (! this.xmlhttp) {
			if (typeof XMLHttpRequest != "undefined") {
				this.xmlhttp = new XMLHttpRequest();
			} else {
				this.failed = true;
			}
		}
	};

	this.setVar = function(name, value){
		this.vars[name] = Array(value, false);
	};

	this.encVar = function(name, value, returnvars) {
		if (true == returnvars) {
			return Array(encodeURIComponent(name), encodeURIComponent(value));
		} else {
			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
		}
	}

	this.processURLString = function(string, encode) {
		encoded = encodeURIComponent(this.argumentSeparator);
		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
		varArray = string.split(regexp);
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split("=");
			if (true == encode){
				this.encVar(urlVars[0], urlVars[1]);
			} else {
				this.setVar(urlVars[0], urlVars[1]);
			}
		}
	}

	this.createURLString = function(urlstring) {
		if (this.encodeURIString && this.URLString.length) {
			this.processURLString(this.URLString, true);
		}

		if (urlstring) {
			if (this.URLString.length) {
				this.URLString += this.argumentSeparator + urlstring;
			} else {
				this.URLString = urlstring;
			}
		}

		// prevents caching of URLString
		this.setVar("rndval", new Date().getTime());

		urlstringtemp = new Array();
		for (key in this.vars) {
			if (false == this.vars[key][1] && true == this.encodeURIString) {
				encoded = this.encVar(key, this.vars[key][0], true);
				delete this.vars[key];
				this.vars[encoded[0]] = Array(encoded[1], true);
				key = encoded[0];
			}

			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
		}
		if (urlstring){
			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
		} else {
			this.URLString += urlstringtemp.join(this.argumentSeparator);
		}
	}

	this.runResponse = function() {
		eval(this.response);
	}

	this.runAJAX = function(urlstring) {
		if (this.failed) {
			this.onFail();
		} else {
			this.createURLString(urlstring);
			if (this.element) {
				this.elementObj = document.getElementById(this.element);
			}
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
					try {
						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
					} catch (e) { }
				}

				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState) {
						case 1:
							self.onLoading();
							break;
						case 2:
							self.onLoaded();
							break;
						case 3:
							self.onInteractive();
							break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;

							if (self.execute) {
								self.runResponse();
							}

							if (self.elementObj) {
								elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input"
								|| elemNodeName == "select"
								|| elemNodeName == "option"
								|| elemNodeName == "textarea") {
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							if (self.responseStatus[0] == "200") {
								self.onCompletion();
							} else {
								self.onError();
							}

							self.URLString = "";
							break;
					}
				};

				this.xmlhttp.send(this.URLString);
			}
		}
	};

	this.reset();
	this.createAJAX();
}