var fDesc=new Array();
fDesc[0] = "Graphical Analysis™ is a tool for science students to collect, graph and analyze data from Vernier sensors and LabQuest® interfaces. Graphical Analysis™ offers direct data collection from over 50 sensors using Vernier LabQuest, LabQuest 2, LabQuest Mini, (new) LabQuest Stream, and Vernier Go!Link® USB interfaces/";

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 = '';
	}
}