function readMore(show)
{
	document.getElementById("expert-bio").style.display = show == true ? "block" : "none";
}

function displayTips(show)
{
	showHiddenItems(document.getElementById("tips"));
	
	document.getElementById("more-tips").style.display = show == true ? "none" : "block";
	document.getElementById("close-tips").style.display = show == true ? "block" : "none";
}

function displayQuestions(show)
{
	showHiddenItems(document.getElementById("questions-answered"));
	
	document.getElementById("more-questions").style.display = show == true ? "none" : "block";
	document.getElementById("close-questions").style.display = show == true ? "block" : "none";
}

function showHiddenItems(parentItem)
{
	var hiddenItems = parentItem.getElementsByTagName("li");
	
	for (var i = 0; i < hiddenItems.length; i++)
	{
		if (hiddenItems[i].className == "invisible")
		{
			hiddenItems[i].className = "visible";
		}
		else if (hiddenItems[i].className == "visible")
		{
			hiddenItems[i].className = "invisible"
		}
	}
}