var fDesc=new Array();
fDesc[0] = "This Digital Field Trip uses virtual reality technology to allow students to visit a bog in Ontario without getting their feet wet! It is a truly interactive CD-ROM incorporating animations, narration, games, text, full color photographs and a comprehensive workbook in one easy-to-use package. <br /> The Digital Field Trip to The Wetlands makes learning biology an enjoyable experience; students have fun and are able to learn independently through exploration and discovery.";

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 = '';
	}
}