var fDesc=new Array();
fDesc[0] = "Free Sudoku generator has 3 levels of difficulties.<br /> You may print created Sudoku grid or play on computer screen. No installation is required, simply download Sudoku.exe file and play. Solved or not solved Sudokus may be saved into file with extension sdk. Later saved files may be loaded in 9x9 Sudoku grid. You may create HTML/JavaScript web page of generated puzzle.";

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 = '';
	}
}