var fDesc=new Array();
fDesc[0] = "This software offers a solution to users who want to solve Sudoku puzzles by entering a partially completed grid. The user enters the numbers on the left and one click on the button will display the solution on the right. Both the puzzles and their solutions can be printed.";

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 = '';
	}
}