(function($) {
    var ACCOUNT_ID = "UA-17544026-1";
    $.GA = {};
    $.GA.intallationStatus = "not started";
    $.GA.pageTracker = null;
    $.GA.eventQueue = [];

    function installGA() {
        var host = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
        var src = host + "google-analytics.com/ga.js";

        log("downloading GA: " + src);

        $.GA.intallationStatus = "downloading";

        //load GA file
        $.ajax({
            type: "GET",
            url: src,
            success: function() {
                log("GA downloaded, setting up now");
                $.GA.intallationStatus = "installed";

                $.GA.pageTracker = _gat._getTracker(ACCOUNT_ID); /*this part is the same as GA's standard installation*/
                $.GA.pageTracker._trackPageview();

                // the comments below are custom tracking, for custom tracking on page load, uncomment the below, and modify to suit.
                // for best practice, move the _trackPageview() function to underneath the _setCustomVar() function.
                
                //var strUsername = (jQuery.cookie("googleusername") || "not-logged-in");

                //log("tracking user type: " + strUsername);

                //$.GA.pageTracker._setCustomVar(1,"user-type",strUsername,1); /*http://code.google.com/apis/analytics/docs/tracking/gaTrackingCustomVariables.html#visitorLevel*/
              
                log("pushing out queued events");
                pushOutQueuedEvents();
            },
            error: function() {
                //the ga.js file wasn't loaded successfully:
                throw "Unable to load ga.js; _gat has not been defined, pageTracker is also undefined - I bet you're using adblock eh? kudos to you :)";
            },
            dataType: "script",
            cache: true
        });
    }
    function pushOutQueuedEvents() {
        log("queued events:");
        for (var item, i = 0; item = $.GA.eventQueue[i]; i++) {
            log("\tEvent: " + item[0] + ", " + item[1] + ", " + item[2]);
            $.GA.pageTracker._trackEvent(item[0], item[1], item[2]);
        }
    }
    function log(msg) {
        if (typeof (console) != "undefined" && console.debug) console.debug(msg);
    }
    /*
    Wrapper for _trackEvent ( http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEventTracking.html )
    suggested usage pattern:
    $("a.something").click(function(){
    $.GA.trackEvent(category,action,opt_label,opt_value)
    });
	
	*/

    $.GA.trackEvent = function(category, action, opt_label) {

        /*GA download is happening asynchronously, while it's downloading, events would go unrecorded,
        so, we can push events into an array and then once GA is downloaded - we can push them out.
        */
        log("\tEvent: " + category + ", " + action + ", " + opt_label);
        if ($.GA.intallationStatus != "installed" || !$.GA.pageTracker) {
            log("recieved event but GA is not yet installed, queuing the event for later");
            $.GA.eventQueue.push([category, action, opt_label]);
        }
        else {
            log("recieved event, sending to GA");
            window.setTimeout(
				function() {
				    $.GA.pageTracker._trackEvent(category, action, opt_label)
				},
				100
			);
        }
    }

    $(document).ready(function() {
        log("Installing GA");
        installGA();
    });

})(jQuery);