function showhide(id)
	{
	if(document.getElementById)
		{
		if(document.getElementById(id).style.display == "none")
		document.getElementById(id).style.display = "block";
		else
		document.getElementById(id).style.display = "none";
		}
}

function hideshow(id)
	{
	if(document.getElementById)
		{
		if(document.getElementById(id).style.display == "block")
		document.getElementById(id).style.display = "none";
		else
		document.getElementById(id).style.display = "block";
		}
}