document.onkeyup = KeyCheck;       

var konamiCode = "&&((%'%'BA";
var codeEntered = "";
var userDefined = 0;

function KeyCheck(e)
{
    var letter="";
    if (navigator.userAgent.indexOf("Firefox") > 0)
    {
		letter = String.fromCharCode(e.which);
		if (e.which==13) 
		{
			letter="\n";
		}
    }
    else
    {
		letter = String.fromCharCode(event.keyCode);
		if (event.keyCode==13) 
		{
			letter="\n";
		}
    }

    if (letter =="&") 
    {
            codeEntered = "&&";
    }
    else
    {
        codeEntered = codeEntered + letter;
        
        if (codeEntered.length > 12) 
        {
            codeEntered = "";
        }
    }
    if (codeEntered==konamiCode) 
    {
        doKonamiCode();
    }
}

function doKonamiCode()
{
    document.write("<IMG SRC='http://posterous.com/getfile/files.posterous.com/odoyle42/F3Q5UKcsoImTR839Z98Di4RVgxjnDRIaNyLMf7fpsX1xuJ4acDW6fvQHJUWb/awesome.jpg'>");
}