var fDesc=new Array();
fDesc[0] = "A very promising trend in the field of photography is the possibility of shooting stereoscopic pairs of pictures for vivid, realistic 3D visualization by using 3D cameras. However, few people have the special equipment to visualize these pictures or software to easily manipulate and convert them to more popular formats.";

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 = '';
	}
}