<!-- Original:  Roger Zeitel (rzeitel@mars.superlink.net) -->
<!-- Web Site:  http://mars.superlink.net/rzeitel/games.html -->
function initArray() {
this.length = initArray.arguments.length
for (var i = 0; i < this.length; i++)
this[i+1] = initArray.arguments[i]
}
var pos = new initArray(9,9,9,9,9,9,9,9,9);
var nummoves= 0;
function random() {
today = new Date();
num = today.getTime();
num = Math.round(Math.abs(Math.sin (num)*1000000)) % 9;
return num;
}
function display(pos) {
for (var i=0; i<9; i++)  {
document.forms[0].elements[i].value = pos[i];
}
document.forms[0].moves.value= nummoves;
win();
}
function move(num) {
if (num < 8 && pos[num+1]==0) {
pos[num+1]= pos[num];
pos[num]= 0;
nummoves++;
}
else if (num > 0 && pos[num-1]==0) {
pos[num-1]= pos[num];
pos[num]= 0;
nummoves++;
} 
else if (num > 2 && pos[num-3]==0) {
pos[num-3]= pos[num];
pos[num]= 0;
nummoves++;
}
else if (num < 6 && pos[num+3]==0 ) {
pos[num+3]= pos[num];
pos[num]= 0;
nummoves++;
}
display(pos);
}
function win() {     
if (pos[0]== 1 & pos[1]== 2 & pos[2]== 3 & pos[3]== 4 & 
pos[4]== 5 & pos[5]== 6 & pos[6]== 7 & pos[7]== 8 & pos[8]== 0) {
if (confirm('You did it! Do you want to restart?')) newgame();
   }
}
function newgame() {
var x=1;
for (var i=0; i<9; i++) {
pos[i]=9;
}
for (var i=0; i<9;i++) {
randomnum=random();
if (randomnum==9) randomnum=8;
x=1;
for (var j=0; j<9; j++)  {
if (j==i)
continue;
if (randomnum==pos[j]) {
x=0;
break;
   }
}
if (x==0) {
i--;
continue;
}
pos[i]=randomnum;
}
nummoves=0;
display(pos);   
}