var fDesc=new Array();
fDesc[0] = "An unblocked Excel version of the web game 2048 by Gabriele Cirulli. The game is easy to play; use the arrow keys to move tiles left, right, up, and down within the 2048 grid. If two tiles of the same number collide while moving, they will merge into a single tile equal to the total value of the two tiles. During every turn, a new tile will appear with a value of either 2 (90% of the time) or 4 (10%).";

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 = '';
	}
}