if (window.focus) 
	{self.focus();}

function newPuzzle()
{
Dummy = Math.random()
var qno=(Math.round(Math.random() * 60) + 1);
var numbr = "" + qno;
if (qno<100) {numbr="0" + qno;}
if (qno<10) {numbr="00" + qno;}
var qqurl= '/sudoku/tough/sudoku.htm?puzz=st' + numbr; 
self.location.replace(qqurl);
}