var fDesc=new Array();
fDesc[0] = "The Planets Explorer is a computer program that calculates the position of the planets and satellites of the Solar System, providing a highly realistic tri-dimensional representation of them on the screen. This representation is fully dynamic, in such a way that rotation and translation of cellestial bodies can be observed as if the user had a camera located in any point within the Solar System.";

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 = '';
	}
}