var fDesc=new Array();
fDesc[0] = "ARNDT is a software program whose purpose is to enable road designers to identify potentially hazardous geometry of proposed or existing roundabouts and predict accident rates and costs for proposed or existing roundabouts. This enables a designer to determine if the additional construction costs of a particular roundabout layout warrant the saving in accident costs.";

function tShowHide(id, show)
{
	var s = document.getElementById("desc");

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
		if (document.getElementById('m1'))
			document.getElementById('m1').style.display='none';
		if (document.getElementById('m2'))
			document.getElementById('m2').style.display='none';
		if (document.getElementById('more_txt'))
			document.getElementById('more_txt').style.display='inline';
	}
	else
	{
		s.innerHTML = '';
	}
}