function goOrange()
{
	var blueArrow = document.getElementById("blueArrow");
	blueArrow.style.display = 'none';
	
	var orangeArrow = document.getElementById("orangeArrow");
	orangeArrow.style.display = 'inline';
}

function goBlue()
{
	var orangeArrow = document.getElementById("orangeArrow");
	orangeArrow.style.display = 'none';
	
	var blueArrow = document.getElementById("blueArrow");
	blueArrow.style.display = 'inline';
}