var $ = {
enabled: false,
tmp: Array(),
_konamiCode: Array(65,66,39,37,39,37,40,40,38,38),
init: function() {
this.tmp = Array(65,66,39,37,39,37,40,40,38,38);
},
konamiCode: function(e) {
if(!this.enabled) {
var t = this.tmp.pop();
if((e.keyCode-t) == 0) {
if(this.tmp.length == 0) {
this.enabled = true;
}
} else {
this.init();
}
} else {
this.action();
}
},
// Change the action() function to whatever you want to
action: function() {
//alert("Konami Code Activated");
}
}

var k=[];
function(e){
k.push(e.keyCode);
if(k.toString().indexOf("38,38,40,40,37,39,37,39,66,65")>=0) {
//alert("Konami Code Activated");
}