var relJsHost = (('https:'==document.location.protocol)?'https://':'http://');
var relProcess = relJsHost == 'http://'
var relRef = escape(document.referrer);
var ___rpt = document.title.replace('#','%23');
var ___rpd = (new Date().toString())
var relSrc = relRef + '___rpt=' + ___rpt + '___rpd=' + ___rpd
var Relevantor = {
	hasFacebook: false,
	hasGPlus: false,

	init:function() {
		Relevantor.replacementEltId = '';
		Relevantor.replacementEltContent = '';
		Relevantor.addEvent(window, "load", Relevantor.onPageLoad);
	},

	onPageLoad:function() {
		//alert('page loaded');
		Relevantor.trackFacebook();
		Relevantor.trackGooglePlus();
	},

	addEvent:function(obj, sEvent, func) {
		if (obj.addEventListener)
		    obj.addEventListener(sEvent, func, false);
		else
			if (obj.attachEvent)
			   obj.attachEvent("on"+sEvent, func);
			else
				return false;
		return true;
	},
	
	replace:function(eltId, eltContent) {
		Relevantor.replacementEltId = eltId;
		Relevantor.replacementEltContent = eltContent;
		Relevantor.addEvent(window, "load", Relevantor.doReplace);
	},
	
	doReplace:function() {
		var _elt = document.getElementById(Relevantor.replacementEltId);
		_elt.innerHTML = Relevantor.replacementEltContent;
	},
	
	trackFacebook:function() {
        this.hasFacebook = (typeof FB !== 'undefined');
		if (this.hasFacebook) {
			// track Facebook like button press
            FB.Event.subscribe('edge.create', function(response) {
                url = '//www.relevantor.net/visitor/facebookTracker/1';
                Relevantor.serverRequest(url);
            });
            // track Facebook unlike button press
            FB.Event.subscribe('edge.remove', function(response) {
                url = '//www.relevantor.net/visitor/facebookTracker/0';
                Relevantor.serverRequest(url);
            });
		}
	},
	
	trackGooglePlus:function() {
	},
	
	serverRequest:function(url) {
		_rq = document.createElement('img');
		_rq.src = url;
	}
}
Relevantor.init();