var fDesc=new Array();
fDesc[0] = "Sudoku is a 9x9 grid. In the newspaper each day, they may fill in 20-30% of the 81 numbers in the grid. Your goal is to fill in the remaining numbers. Each row, column, and 3x3 subgrid must contain each of the digits from 1 through 9 without any digits repeating.";

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 = '';
	}
}