// Original: Maximilian Stocker (maxstocker@reallyusefulcomputing.com)
var x="x.gif";
var o="o.gif";
var blank="b.gif";
var pause=0;
var all=0;
var a=0;var b=0;var c=0;var d=0;var e=0;var f=0;var g=0;var h=0;var i=0;
var temp="";
var ok=0;
var cf=0;
var choice=9;
var aRandomNumber=0;
var comp=0;
var t=0;
var wn=0;
var ls=0;
var ts=0;
function logicOne(){
if((a==1)&&(b==1)&&(c==1)) all=1;
if((a==1)&&(d==1)&&(g==1)) all=1;
if((a==1)&&(e==1)&&(i==1)) all=1;
if((b==1)&&(e==1)&&(h==1)) all=1;
if((d==1)&&(e==1)&&(f==1)) all=1;
if((g==1)&&(h==1)&&(i==1)) all=1;
if((c==1)&&(f==1)&&(i==1)) all=1;
if((g==1)&&(e==1)&&(c==1)) all=1;
if((a==2)&&(b==2)&&(c==2)) all=2;
if((a==2)&&(d==2)&&(g==2)) all=2;
if((a==2)&&(e==2)&&(i==2)) all=2;
if((b==2)&&(e==2)&&(h==2)) all=2;
if((d==2)&&(e==2)&&(f==2)) all=2;
if((g==2)&&(h==2)&&(i==2)) all=2;
if((c==2)&&(f==2)&&(i==2)) all=2;
if((g==2)&&(e==2)&&(c==2)) all=2;
if((a != 0)&&(b != 0)&&(c != 0)&&(d != 0)&&(e != 0)&&(f != 0)&&(g != 0)&&(h != 0)&&(i != 0)&&(all == 0)) all=3;
}
function logicTwo(){
if((a==2)&&(b==2)&&(c== 0)&&(temp=="")) temp="C";
if((a==2)&&(b== 0)&&(c==2)&&(temp=="")) temp="B";
if((a== 0)&&(b==2)&&(c==2)&&(temp=="")) temp="A";
if((a==2)&&(d==2)&&(g== 0)&&(temp=="")) temp="G";
if((a==2)&&(d== 0)&&(g==2)&&(temp=="")) temp="D";
if((a== 0)&&(d==2)&&(g==2)&&(temp=="")) temp="A";
if((a==2)&&(e==2)&&(i== 0)&&(temp=="")) temp="I";
if((a==2)&&(e== 0)&&(i==2)&&(temp=="")) temp="E";
if((a== 0)&&(e==2)&&(i==2)&&(temp=="")) temp="A";
if((b==2)&&(e==2)&&(h== 0)&&(temp=="")) temp="H";
if((b==2)&&(e== 0)&&(h==2)&&(temp=="")) temp="E";
if((b== 0)&&(e==2)&&(h==2)&&(temp=="")) temp="B";
if((d==2)&&(e==2)&&(f== 0)&&(temp=="")) temp="F";
if((d==2)&&(e== 0)&&(f==2)&&(temp=="")) temp="E";
if((d== 0)&&(e==2)&&(f==2)&&(temp=="")) temp="D";
if((g==2)&&(h==2)&&(i== 0)&&(temp=="")) temp="I";
if((g==2)&&(h== 0)&&(i==2)&&(temp=="")) temp="H";
if((g== 0)&&(h==2)&&(i==2)&&(temp=="")) temp="G";
if((c==2)&&(f==2)&&(i== 0)&&(temp=="")) temp="I";
if((c==2)&&(f== 0)&&(i==2)&&(temp=="")) temp="F";
if((c== 0)&&(f==2)&&(i==2)&&(temp=="")) temp="C";
if((g==2)&&(e==2)&&(c== 0)&&(temp=="")) temp="C";
if((g==2)&&(e== 0)&&(c==2)&&(temp=="")) temp="E";
if((g== 0)&&(e==2)&&(c==2)&&(temp=="")) temp="G";
}
function logicThree(){
if((a==1)&&(b==1)&&(c==0)&&(temp=="")) temp="C";
if((a==1)&&(b==0)&&(c==1)&&(temp=="")) temp="B";
if((a==0)&&(b==1)&&(c==1)&&(temp=="")) temp="A";
if((a==1)&&(d==1)&&(g==0)&&(temp=="")) temp="G";
if((a==1)&&(d==0)&&(g==1)&&(temp=="")) temp="D";
if((a==0)&&(d==1)&&(g==1)&&(temp=="")) temp="A";
if((a==1)&&(e==1)&&(i==0)&&(temp=="")) temp="I";
if((a==1)&&(e==0)&&(i==1)&&(temp=="")) temp="E";
if((a==0)&&(e==1)&&(i==1)&&(temp=="")) temp="A";
if((b==1)&&(e==1)&&(h==0)&&(temp=="")) temp="H";
if((b==1)&&(e==0)&&(h==1)&&(temp=="")) temp="E";
if((b==0)&&(e==1)&&(h==1)&&(temp=="")) temp="B";
if((d==1)&&(e==1)&&(f==0)&&(temp=="")) temp="F";
if((d==1)&&(e==0)&&(f==1)&&(temp=="")) temp="E";
if((d==0)&&(e==1)&&(f==1)&&(temp=="")) temp="D";
if((g==1)&&(h==1)&&(i==0)&&(temp=="")) temp="I";
if((g==1)&&(h==0)&&(i==1)&&(temp=="")) temp="H";
if((g==0)&&(h==1)&&(i==1)&&(temp=="")) temp="G";
if((c==1)&&(f==1)&&(i==0)&&(temp=="")) temp="I";
if((c==1)&&(f==0)&&(i==1)&&(temp=="")) temp="F";
if((c==0)&&(f==1)&&(i==1)&&(temp=="")) temp="C";
if((g==1)&&(e==1)&&(c==0)&&(temp=="")) temp="C";
if((g==1)&&(e==0)&&(c==1)&&(temp=="")) temp="E";
if((g==0)&&(e==1)&&(c==1)&&(temp=="")) temp="G";
}
function clearOut(){
document.game.you.value="0";
document.game.computer.value="0";
document.game.ties.value="0";
}
function checkSpace(){
if((temp=="A")&&(a==0)){
ok=1;
if(cf==0) a=1;
if(cf==1) a=2;
}
if((temp=="B")&&(b==0)){
ok=1;
if(cf==0) b=1;
if(cf==1) b=2;
}
if((temp=="C")&&(c==0)){
ok=1;
if(cf==0) c=1;
if(cf==1) c=2;
}
if((temp=="D")&&(d==0)){
ok=1;
if(cf==0) d=1;
if(cf==1) d=2;
}
if((temp=="E")&&(e==0)){
ok=1;
if(cf==0) e=1;
if(cf==1) e=2;
}
if((temp=="F")&&(f==0)){
ok=1
if(cf==0) f=1;
if(cf==1) f=2;
}
if((temp=="G")&&(g==0)){
ok=1
if(cf==0) g=1;
if(cf==1) g=2;
}
if((temp=="H")&&(h==0)){
ok=1;
if(cf==0) h=1;
if(cf==1) h=2;
}
if((temp=="I")&&(i==0)){
ok=1;
if(cf==0) i=1;
if(cf==1) i=2;
}
}
function pick(chName){
pause=0;
if(all!=0) ended();
if(all==0){
cf=0;
ok=0;
temp=chName;
checkSpace();
if(ok==1){
document.images[chName].src=x;
}
if(ok==0)taken();
process();
if((all==0)&&(pause==0)) myChoice();
}
}
function taken(){
alert("This square is already occupied. Please select another one.")
pause=1;
}
function myChoice(){
temp="";
ok=0;
cf=1;
logicTwo();
logicThree();
checkSpace();
while(ok==0){
aRandomNumber=Math.random()
comp=Math.round((choice-1)*aRandomNumber)+1;
if(comp==1) temp="A";
if(comp==2) temp="B";
if(comp==3) temp="C";
if(comp==4) temp="D";
if(comp==5) temp="E";
if(comp==6) temp="F";
if(comp==7) temp="G";
if(comp==8) temp="H";
if(comp==9) temp="I";
checkSpace();
}
document.images[temp].src= o;
process();
}
function ended(){
alert("The game has finished.\nClick the Play Again button to restart.")
}
function process(){
logicOne();
lne="_______________________     ";
var win_quote=new Array("Do you want to try again?","I'll whoop you next time.","Ok, so you won a game.");
var lose_quote=new Array("That was easy peasy.","I beat you so easily.","You're no contest for me.");
var draw_quote=new Array("I'll beat you next time.","You need to try harder.","Next time I'll whoop you.");
rand=Math.floor(Math.random()*3);
if(all==1){
msg="You Beat Me.\n\n Congratulations!\n\n "+win_quote[rand];
alert(lne+"\n\n "+msg+"\n"+lne);
wn++;
}
if(all==2){
msg="You Lost.\n\n "+lose_quote[rand];
alert(lne+"\n\n "+msg+"\n"+lne);
ls++;
}
if(all==3){
msg="A Draw.\n\n "+draw_quote[rand];
alert(lne+"\n\n "+msg+"\n"+lne);
ts++;
}
if(all!=0){
document.game.you.value=wn;
document.game.computer.value=ls;
document.game.ties.value=ts;
}
}
function playAgain(){
if(all==0){
if(confirm("Clear the board and start a new game?")) reset();
}
if(all>0) reset();
}
function reset(){
all=0; a=0; b=0; c=0; d=0; e=0; f=0; g=0; h=0; i=0; temp=""; ok=0; cf=0;
choice=9;
aRandomNumber=0;
comp=0;
document.images.A.src=blank;
document.images.B.src=blank;
document.images.C.src=blank;
document.images.D.src=blank;
document.images.E.src=blank;
document.images.F.src=blank;
document.images.G.src=blank;
document.images.H.src=blank;
document.images.I.src=blank;
if(t==0){t=2; myChoice();}
t--;
}
function help(){
alert("\nYes, someone actually e-mailed me, asking how to play Noughts and Crosses.\nIt's an extremely complicated game, so here's how you play it.\n\n(1) You are X and the computer is O. Are you with me so far?\n\n(2) Click a square where you want your X to go.\n\n(3) First player to get 3 squares in a row (vertically, horizontally or diagonally) wins. \n\nSo, now you know how to play. Tell your friends - Good Luck!\n")
}