var fDesc=new Array();
fDesc[0] = "In this game you will play the classic Tetris game with different levels. A group of 4 blocks will drop from the top of the screen, you can move the blocks and rotate them until they drop to the bottom of the screen and then the next group of 4 blocks apepars. You should arrange the blocks so that the blocks fill up a complete row, and then the row of blocks will be destroyed.";

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 = '';
	}
}