var live_sudoku_background;
document.write('<iframe src="http://www.live-sudoku.com/perso/sudoku.php?size='+live_sudoku_size+'&level='+live_sudoku_level+'&width='+live_sudoku_width+'&background='+live_sudoku_background+'" width="'+live_sudoku_width+'" height="'+live_sudoku_width+'" scrolling="no" frameborder="0" border="0"></iframe>');