var fDesc=new Array();
fDesc[0] = "In this simple puzzle you are required fill in a grid with numbers. Normally you would print a puzzle and solve it on paper at your leisure. However you can also solve on screen using the commands move and place mouse cursor on a cell ( no need to click ), enter the number, odd number has even neighbors and more.";

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 = '';
	}
}