function initDesc()
{
	document.getElementById("trDescIt1").style.display="none";
	document.getElementById("trDescIt2").style.display="none";
	document.getElementById("trDescIt3").style.display="none";
	document.getElementById("trDescIt4").style.display="none";
	document.getElementById("trDescIt5").style.display="none";
	document.getElementById("trDescIt6").style.display="none";
}

function setupDesc(id)
{
	var e=document.getElementById(id);
	if (e.style.display=="none")
	{
		e.style.display="inline";
	}
	else
	{
		e.style.display="none";
	}
}