function displayD1(){
	if (document.getElementById)
	{
		if (document.getElementById("d1").style)
			document.getElementById("d1").style.visibility="visible";
	}
	else if (document.all && !document.getElementById)
		document.d1.visibility="visible";
}
function hideD1(){
	if (document.getElementById)
	{
		if (document.getElementById("d1").style)
			document.getElementById("d1").style.visibility="hidden";
	}
	else if (document.all && !document.getElementById)
		document.d1.visibility="hidden";
}

function displayD2(){
	if (document.getElementById)
	{
		if (document.getElementById("d2").style)
			document.getElementById("d2").style.visibility="visible";
	}
	else if (document.all && !document.getElementById)
		document.d2.visibility="visible";
}
function hideD2(){
	if (document.getElementById)
	{
		if (document.getElementById("d2").style)
			document.getElementById("d2").style.visibility="hidden";
	}
	else if (document.all && !document.getElementById)
		document.d2.visibility="hidden";
}

function displayD3(){
	if (document.getElementById)
	{
		if (document.getElementById("d3").style)
			document.getElementById("d3").style.visibility="visible";
	}
	else if (document.all && !document.getElementById)
		document.d3.visibility="visible";
}
function hideD3(){
	if (document.getElementById)
	{
		if (document.getElementById("d3").style)
			document.getElementById("d3").style.visibility="hidden";
	}
	else if (document.all && !document.getElementById)
		document.d3.visibility="hidden";
}


function displayD4(){
	if (document.getElementById)
	{
		if (document.getElementById("d4").style)
			document.getElementById("d4").style.visibility="visible";
	}
	else if (document.all && !document.getElementById)
		document.d4.visibility="visible";
}
function hideD4(){
	if (document.getElementById)
	{
		if (document.getElementById("d4").style)
			document.getElementById("d4").style.visibility="hidden";
	}
	else if (document.all && !document.getElementById)
		document.d4.visibility="hidden";
}

function displayD5(){
	if (document.getElementById)
	{
		if (document.getElementById("d5").style)
			document.getElementById("d5").style.visibility="visible";
	}
	else if (document.all && !document.getElementById)
		document.d5.visibility="visible";
}
function hideD5(){
	if (document.getElementById)
	{
		if (document.getElementById("d5").style)
			document.getElementById("d5").style.visibility="hidden";
	}
	else if (document.all && !document.getElementById)
		document.d5.visibility="hidden";
}