Nice console snipet

gistfile1.txt

if (typeof(console) !== 'undefined') {
  if ('debug' in console) {
    console.debug('Hey, you have your debugger enabled :)');
  } else {
    console.log('Hey, you have your IE debugger enabled :-/');
  }
} else {
  var Console = Class.create();
  Console.prototype = {
    initialize: function() {},
    info: function(){},
    error: function(){},
    debug: function(){},
    warning: function(){},
    log: function(){}
  };

  var console = new Console();
}