var fDesc=new Array();
fDesc[0] = "Alien ships have invaded into the Solar System. Protect your sector of the space. Upgrade your ship and become a terror for the invaders. Use the arrow keys to control your ship and push the space key to fire at your enemies. After your ship is upgraded, you can use special combo attacks to destroy the alien forces.";

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 = '';
	}
}