function showgame(game) {
	switch (game) {
		case 'iqriver'		:	document.getElementById("riveriq").style.display = "block";
								break;
		case 'frog'			:	document.getElementById("frog").style.display = "block";
								break;
		case 'perplexing'	:	document.getElementById("perplexing").style.display = "block";
								break;								
		default			:	document.getElementById("frog").style.display = "none";
								document.getElementById("riveriq").style.display = "none";
								document.getElementById("perplexing").style.display = "none";								
								break;
	};
};

function closegame(game) {
	switch (game) {
		case 'iqriver'		:	document.getElementById("riveriq").style.display = "none";
								break;
		case 'frog'			:	document.getElementById("frog").style.display = "none";
								break;
		case 'perplexing'	:	document.getElementById("perplexing").style.display = "none";
								break;				
		default			:	document.getElementById("frog").style.display = "none";
								document.getElementById("riveriq").style.display = "none";
								document.getElementById("perplexing").style.display = "none";
								break;
	};
};