var fDesc=new Array();
fDesc[0] = "Exciting, fresh and inspiring resources covering every element of science.<br /> <br /> From acids and alkalis to reproduction, Boardworks KS3 Science contain everything you need to teach the current Programme of Study and Framework, including new presentations covering science careers and animal and human behaviour.";

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 = '';
	}
}