function hideDiv(div)
{
	d_o = document.getElementById(div);
	d_o.style.display = 'none';
}

function showDiv(div)
{
	d_o = document.getElementById(div);
	d_o.style.display = 'block';
}

function toggleHideShowDiv(div)
{
	d_o = document.getElementById(div);
	if (d_o.style.display == 'block')
	{
		hideDiv(div);
	} else
	{
		showDiv(div);
	}	
}