var fDesc=new Array();
fDesc[0] = "Incredible Mars 3D Screensaver was designed to display the Mars planet in 3D mode on your desktop. It uses MOLA Mission Experiment Gridded Data Records. You can run the screensaver in two flyby modes: manual control and automatic that can be selected on the screensaver settings dialog box. To get help on the manual control mode, please, press F1 while running the screensaver in that mode.";

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 = '';
	}
}