function RolloverMenu(image)
{
	var position;
	position = image.src.indexOf("over.jpg");
	
	if (position > 0)
	{
		change = image.src.substring(0,image.src.length - 9)+".jpg";
	}
	else
	{
		change = image.src.substring(0,image.src.length - 4)+"_over.jpg";
	}
	image.src=change;
}