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

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

function hide(id)
{
	if (document.getElementById)
	{
		obj = document.getElementById(id);
		if (obj.style.display == "block" || obj.style.display == "")
		{
			obj.style.display = "none";
		}
	}
}