var fDesc=new Array(); fDesc[0] = "It is an advanced version of the game "Tic Tac Toe" which can be played by two players at the same time. The game is played on the N x N (three minimum-12 maximum player's choice) field. Each player takes turns marking the squares on the field until one of them wins or the game ends in a draw. The player wins if he or she observes M (3 minimum-maximum 6) squares in the same row, column or diagonal line."; 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 = ''; } }