function HideAllUsefulWordsSections()
{
	document.getElementById("UsefulWordsA").style.display = "none";
	document.getElementById("UsefulWordsB").style.display = "none";
	document.getElementById("UsefulWordsC").style.display = "none";
	document.getElementById("UsefulWordsD").style.display = "none";
	document.getElementById("UsefulWordsE").style.display = "none";
	document.getElementById("UsefulWordsF").style.display = "none";
	document.getElementById("UsefulWordsG").style.display = "none";
	document.getElementById("UsefulWordsH").style.display = "none";
	document.getElementById("UsefulWordsI").style.display = "none";
	document.getElementById("UsefulWordsJ").style.display = "none";
	document.getElementById("UsefulWordsK").style.display = "none";
	document.getElementById("UsefulWordsL").style.display = "none";
	document.getElementById("UsefulWordsM").style.display = "none";
	document.getElementById("UsefulWordsN").style.display = "none";
	document.getElementById("UsefulWordsO").style.display = "none";
	document.getElementById("UsefulWordsP").style.display = "none";
	document.getElementById("UsefulWordsQ").style.display = "none";
	document.getElementById("UsefulWordsR").style.display = "none";
	document.getElementById("UsefulWordsS").style.display = "none";
	document.getElementById("UsefulWordsT").style.display = "none";
	document.getElementById("UsefulWordsU").style.display = "none";
	document.getElementById("UsefulWordsV").style.display = "none";
	document.getElementById("UsefulWordsW").style.display = "none";
	document.getElementById("UsefulWordsX").style.display = "none";
	document.getElementById("UsefulWordsY").style.display = "none";
	document.getElementById("UsefulWordsZ").style.display = "none";
}

function ShowUsefulWordsSection(DivLetter)
{
	HideAllUsefulWordsSections();

	var DivName = "UsefulWords" + DivLetter;
	document.getElementById(DivName).style.display = "block";
}