window.log = function(){
  log.history = log.history || [];  
  log.history.push(arguments);
  arguments.callee = arguments.callee.caller;  
  if(this.console) console.log( Array.prototype.slice.call(arguments) );
};
(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||{});

// http://groups.google.com/group/jquery-en/browse_thread/thread/bd9ab1487def3fc8/a24286723ec3ab98?pli=1
jQuery.fn.fadeToggle = function(speed, easing, callback) { 
   return this.animate({opacity: 'toggle'}, speed, easing, callback); 
};