var fDesc=new Array();
fDesc[0] = "Program makes it possible to create the optical effects of lens and mirror of arbitrary curvature, reflection and scattering of light on the wave surface of the interference of the given quantity of sources. This is the sufficiently honestly calculated dynamic wave surface with the optical, spatial and light effects and the possibilities of a wide change in the parameters, although the complete accuracy of optical picture is not guaranteed. As a result many impressive effects - rain, glass-, metal, etc are obtained.";

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 = '';
	}
}