var fDesc=new Array();
fDesc[0] = "The software currently includes four levels of the Standard English, one 32nd inch, one 64th inch, three Metric, and ten English Architectural scale rulers. The Standard English, Metric, and English Architect scale rulers are available at different levels of complexity allowing students to be tested with a specific ruler at a range they feel comfortable.";

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 = '';
	}
}