// usage: log('inside coolFunc', this, arguments);
// paulirish.com/2009/log-a-lightweight-wrapper-for-consolelog/
window.log = function(){
  log.history = log.history || [];   // store logs to an array for reference
  log.history.push(arguments);
  arguments.callee = arguments.callee.caller; 
  if(this.console) console.log( Array.prototype.slice.call(arguments) );
};

// make it safe to use console.log always
(function(b){function c(){}for(var d="assert,count,debug,dir,dirxml,error,exception,group,groupCollapsed,groupEnd,info, log,markTimeline,profile,profileEnd,time,timeEnd,trace,warn".split(","),a;a=d.pop();)b[a]=b[a]||c})(window.console=window.console||{});

/** 
 * Track an event:
 *  @category: button or pageChange
 *  @label: what type of link was clicked? 
 *  @value: which button was clicked? i.e. registerForm button
 **/
function trackEvent(category, label, value) {
  try {
    log("track: category:" + category + " - label: " + label + " - value: " + value);

    if(label !== undefined && value !== undefined)
      _gaq.push(['_trackEvent', category, label, value]);
    else if(label !== undefined)
      _gaq.push(['_trackEvent', category, label]);
    else
      _gaq.push(['_trackEvent', category]);

  } catch(err) {
    log("couldn't track event: " + category + " " + label + " " + value);
  }
}