var tdnState;

function showTDN()
{
	tdnState = true;
	if (tdnState)
	{
		var x = document.getElementById('tdnPopup');
		x.style.display = 'block';
		x.style.visibility = 'visible';
		tdnState = true;
	} else 
	{
		;
	}
}

function hideTDN()
{
	
	tdnState = false;
	setTimeout("hideTDN2()",500);
}

function hideTDN2()
{
	if (!tdnState) {
		var x = document.getElementById('tdnPopup');
		x.style.display = 'none';
		x.style.visibility = 'hidden';
		tdnState = false;
	} 
}