var fDesc=new Array();
fDesc[0] = "Enzyme Lab is designed for use with students at the level of senior high school and older. This simulation develops skills in applying the scientific method to investigations as well as ensuring a clear understanding of enzyme kinetics through interactive experimentation and visualisation of enzyme action in vitro.";

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 = '';
	}
}