var fDesc=new Array();
fDesc[0] = "This collection of three extended tutorials is the most advanced modeling training available for Rhino 3D, yet easy to follow thanks to very detailed instructions and high quality production. This is the product to help bridge the gap between knowing what the tools are and how to apply them to make Rhino do what you want.";

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 = '';
	}
}