var fDesc=new Array();
fDesc[0] = "Earth3D is a program that visualizes the earth in a realtime 3D view. It uses data from NASA,USGS, the CIA and the city of Osnabr&uuml;ck.<br /> <br /> Main features:<br /> <br /> - viewing the earth as a whole<br /> - zooming in until countries, cities and even single houses become visible <br /> - embedding external data like current earthquake positions or cloud data.";

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 = '';
	}
}