function showHint(whichHint) {
	var whichDiv = "puzzle"+whichHint;
	var currentHint = document.getElementById(whichDiv).innerHTML;
	
	if (puzzles[whichHint].length > 0) {
		currentHint = currentHint + "<LI>" + puzzles[whichHint].shift();
		currentHint = currentHint + " (Hints remaining: " + puzzles[whichHint].length + ")";
	} else {
		currentHint = currentHint + "<LI>I'm sorry, there are no more hints.";
	}
	
	document.getElementById(whichDiv).innerHTML = currentHint;
}

// JavaScript Document