var fDesc=new Array();
fDesc[0] = "Microsoft WorldWide Telescope is a virtual telescope that lets you browse though the known universe. It can be used at your home, school, or even planetariums. The program provides a comprehensive set of features to help you create seamless displays on single-projector domes or complex, multi-projector domes.";

function tShowHide(id, show)
{
	var s = document.getElementById("desc");

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
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			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';
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	{
		s.innerHTML = '';
	}
}