function reveal() {
	$opacity('content', 1, 0, 1);
	var obj=document.getElementById('content');
	obj.style.display="inline";
	$opacity('content', 0, 100, 750);
}
if (window.addEventListener) 
	   {
       var kkeys=[], gv="53";
       window.addEventListener("keydown", function(e){
		kkeys.push( e.keyCode );
		if (kkeys.toString().indexOf(gv)>=0) window.location="/secret_area";
       }, true);
}