function chooseButton(buttonId, innerColor, borderColor)
{
	//find the button
	//set the border and inner colors
	var button = document.getElementById(buttonId);
	if (button) {
		button.style.backgroundColor = innerColor;
		button.style.borderColor = borderColor;
	}
	
	//set the border and inner colors of the content area
	var content = document.getElementById("rightContent");
	content.style.backgroundColor = innerColor;
	content.style.borderColor = borderColor;
	content.style.color = borderColor;
}