function colorChange(n) {
					var counter = Math.floor(Math.random()*3+1);
						
				if(counter == 1)		{	document.getElementById(n).style.background = "#99FF00"; }
				else if(counter == 2)	{	document.getElementById(n).style.background = "#FFFF00"; }
				else if(counter == 3)	{	document.getElementById(n).style.background = "#FF3333"; };
			}

function resetButton(n) {
				document.getElementById(n).style.background = "transparent";
			}