function ChangePage()
{
	var Chapter = document.getElementById('Chapter').value;
	var Section = document.getElementById('Section').value;
	
	document.location = Section + Chapter + ".html";
}

function Toggle(id)
{
	
	var visibility = document.getElementById(id).style.display;
	
	//alert('I\'m messing with ' + id + '\nCurrent display setting is: ' + visibility);
	
	if (visibility == "none")
	{
		document.getElementById(id).style.display = "block";
	}
	else
	{
		document.getElementById(id).style.display = "none";
	}
}