var fDesc=new Array();
fDesc[0] = "This free software has been designed to be used by observers to show the following data about your Scope and CCD set-up:<br /> - Telescope Focal length<br /> - Telescope Dawes Limit<br /> - Eyepiece magnification<br /> - Eyepiece real Field of View<br /> - CCD Arc seconds per pixel<br /> - CCD field of view";

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 = '';
	}
}