function internal_note()
{
	if(document.getElementById('appear1').style.display = "none")
	{
		document.getElementById('appear1').style.display = "block";
		document.getElementById('appear2').style.display = "none";
		document.getElementById('appear3').style.display = "none";
		document.getElementById('appear4').style.display = "none";
	}
}
function shipping_method()
{
	if(document.getElementById('appear2').style.display = "none")
	{
		document.getElementById('appear1').style.display = "none";
		document.getElementById('appear2').style.display = "block";
		document.getElementById('appear3').style.display = "none";
		document.getElementById('appear4').style.display = "none";
	}
}
function special_instruction()
{
	if(document.getElementById('appear3').style.display = "none")
	{
		document.getElementById('appear1').style.display = "none";
		document.getElementById('appear2').style.display = "none";
		document.getElementById('appear3').style.display = "block";
		document.getElementById('appear4').style.display = "none";
	}
}
function shipping_status()
{
	if(document.getElementById('appear4').style.display = "none")
	{
		document.getElementById('appear1').style.display = "none";
		document.getElementById('appear2').style.display = "none";
		document.getElementById('appear3').style.display = "none";
		document.getElementById('appear4').style.display = "block";
	}
}