var fDesc=new Array();
fDesc[0] = "Toxchem is a program designed for estimating air emissions from wastewater collection, preliminary/primary/secondary treatment and disposal facilities. It contains an extensive database of chemical contaminants with their physical, chemical, sorption, biodegradation, and dissociation properties, including many of the more recently identified microconstituents (contaminants of emerging concerns).";

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 = '';
	}
}