var fDesc=new Array();
fDesc[0] = "NRC - Nutrient Requirements of Beef Cattle is a free program that explores the impact of cattle's biological, production and environmental diversities, as well as variations on nutrient utilization and requirements. It expands on the descriptions of cattle and their nutritional requirements taking management and environmental conditions into consideration.";

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 = '';
	}
}