var player,yourname,emptystr="",gameover=true;
	var Grid3 = new Array(); for(loop=0;loop<9;loop++) Grid3[loop]=null;
	var tileNames = new Array("top1","top2","top3","mid1","mid2","mid3","bot1","bot2","bot3");
	var dummy,recentTokens = new Array(null,null,null,null,null,null);
	
	function winningLines(a,b,c) {
		this.a = function() {return Grid3[a]};
		this.b = function() {return Grid3[b]};
		this.c = function() {return Grid3[c]};
		this.tiles =[a,b,c];
		this.result = function() {return (this.a()!=null && this.a()==this.b() && this.a()==this.c())};
		this.nt = nearlytrue;  
		this.nf = nearlyfalse;
		this.ttg = twotogo;  
		} 
		
	function nearlytrue() {
		if(this.a()==null && this.b()==true && this.c()==true) return this.tiles[0];
		else if(this.b()==null && this.a()==true && this.c()==true) return this.tiles[1]; 
		else if(this.c()==null && this.b()==true && this.a()==true)  return this.tiles[2];
		else return -1;
		}	

	function nearlyfalse() {
		if(this.a()==null && this.b()==false && this.c()==false) return this.tiles[0];
		else if(this.b()==null && this.a()==false && this.c()==false) return this.tiles[1]; 
		else if(this.c()==null && this.b()==false && this.a()==false)  return this.tiles[2];
		else return -1;
		}	

	function twotogo() {
		var choice;
		if(this.a()==false && this.b()==null && this.c()==null) {choice=rndInRange(1,2); return this.tiles[choice];}
		else if(this.b()==false && this.a()==null && this.c()==null) {choice=rndInRange(0,1)*2; return this.tiles[choice];} 
		else if(this.c()==false && this.b()==null && this.a()==null) {choice=rndInRange(0,1); return this.tiles[choice];}
		else return -1;
		}	

	var wl=new Array(new winningLines(0,1,2),
					new winningLines(3,4,5),
					new winningLines(6,7,8),
					new winningLines(0,3,6),
					new winningLines(1,4,7),
					new winningLines(2,5,8),
					new winningLines(0,4,8),
					new winningLines(2,4,6));
					
	function checklines() {
		var count=0,result="Nobody", done=false, tf;
		while(count<wl.length) {
			done=wl[count].result();
			if(done) {tf=wl[count].a(); count=wl.length}
			count++;
			}
		if(done) if(tf) { you.score++; you.won=true; me.won=false; result=you.name; }
		else { me.score++; me.won=true; you.won=false; result=me.name;}
		return result;
	}

	function Player() {
		this.name = "Simon";
		this.won = false;
		this.score=0;
		this.startedlastgame=true;
		this.token=null;
		}
		
	function token(n) {
		this.neutral=function() {return "tictacto/"+n+".jpg";}
		this.win=function() { return "tictacto/"+n+"_win.jpg";}
		this.lose=function() { return "tictacto/"+n+"_lose.jpg";}
		this.draw=function() { return "tictacto/"+n+"_draw.jpg";}
		this.pic1=new Image();
		this.pic1.src="tictacto/"+n+".jpg";
		this.pic2=new Image();
		this.pic2.src="tictacto/"+n+"_win.jpg";
		this.pic3=new Image();
		this.pic3.src="tictacto/"+n+"_lose.jpg";
		this.pic4=new Image();
		this.pic4.src="tictacto/"+n+"_draw.jpg";
		}

	var tokenSet = new Array(new token("bill"), 
							new token("elizabeth"), 
							new token("emma"), 
							new token("gillian"), 
							//new token("hugo"), 
							new token("lawrence"), 
							new token("lois"), 
							new token("louise"), 
							new token("maurice"), 
							new token("megan"), 
							new token("natalie"), 
							new token("paul"), 
							new token("robin"), 
							new token("sally"), 
							new token("simon"), 
							new token("stephen"), 
							new token("sylvia"), 
							new token("veronica"), 
							new token("vinnie") 
							);
							

							
	var you = new Player(); you.startedlastgame=false; you.name="YOU"; 
	var me = new Player(); me.name="I"; 
	player="you";
	
	function rndInRange(l,u) {	return (l+Math.floor(Math.random()*(++u-l))); }
					
	function setTile(tile,clicked) {
		var go,loop,done=true;
		var delay, n,nt;
		if(document.layers)  nt="document.layers['tictac'].document.images";
		else nt="document.tictac_tile";
		n=eval(nt+tile);
		if(you.token==null) {gameover=true; recentTokens=setTokens();gameover=false;}
		if(!gameover) {
			switch(player) {
				case "you":
					if(Grid3[tile]==null) {
						Grid3[tile]=true;
						n.src=you.token.neutral();
					} else done=false;
					break;
				case "me":
					if(clicked) { updatemsg("OI! MY TURN");done=false;}
					else {Grid3[tile]=false; n.src=me.token.neutral();}
				}
			if(done) {
				go=true; 
				winner=checklines();
				if(winner=="Nobody") {
					for(loop=0;loop<Grid3.length;loop++) if(Grid3[loop]==null) go=false;
					if(!go) if(player=="me") {player="you"; updatemsg("YOUR TURN");} 
						else {player="me";  updatemsg("MY TURN"); delay=setTimeout('myTurn()',1000);}
					else {gameover=true; 
						for(loop=0;loop<Grid3.length;loop++) {
							n=eval(nt+loop+'');
							if(Grid3[loop]==false) n.src=me.token.draw();
							else if(Grid3[loop]==true) n.src=you.token.draw();
					}
						updatemsg("DRAW");}
				} else {gameover=true; 
				for(loop=0;loop<Grid3.length;loop++) {
					n=eval(nt+loop+'');
					if(Grid3[loop]==false) if(me.won) n.src=me.token.win(); else n.src=me.token.lose();
					else if(Grid3[loop]==true) if(you.won) n.src=you.token.win(); else n.src=you.token.lose();
					}
				updatemsg(winner+" WIN"); }
				
			}}
			//else resetGame();
			}
		
	function myTurn() {
		var repeat=true,loop,count=0,t,n;
		var a1 = new Array(), a2 = new Array();
		for(loop=0;loop<Grid3.length;loop++) if(Grid3[loop]==null) {a1[count]=loop; count++;}
		if(a1.length==0) {gameover=true; updatemsg("DRAW");}
		else {
			count=0;
			for(loop=0;loop<wl.length;loop++) {         //check for winners
				n=wl[loop].nf();
				if(n!=-1) {a2[count]=n; count++;}
				}
			if(a2.length==0) {             //if no winners, check for opponent's winners
				for(loop=0;loop<wl.length;loop++) {        
					n=wl[loop].nt();
					if(n!=-1) {a2[count]=n; count++;}
					}}
			if(a2.length==0) {             //now look for lines started by computer player
				for(loop=0;loop<wl.length;loop++) {        
					n=wl[loop].ttg();
					if(n!=-1) {a2[count]=n; count++;}
					}}
			if(a2.length==0) { n=rndInRange(0,a1.length-1); t=a1[n];} else { n=rndInRange(0,a2.length-1); t=a2[n];}
			setTile(t,false);
		}
		}
		
	function setTokens() {
		var l=tokenSet.length-1,r=recentTokens;
		var t1,t2,fail;
		do {
			t2=t1=rndInRange(0,l);
			while(t2==t1) t2=rndInRange(0,l);
			fail=false;
			for(var loop=0;loop<r.length-1;loop++) {
				if(t1==r[loop] || t2==r[loop]) fail=true;
				}
			} while(fail);
		r[5]=r[3];r[4]=r[2]; r[3]=r[1]; r[2]=r[0];r[1]=t1;r[0]=t2;
		you.token=tokenSet[t1];
		me.token=tokenSet[t2];
		return r;
		}


	function resetGame() {
		var nt="document.tictac_tile";
		var n;
//		clearTimeout(hideit);
		for(var loop=0;loop<Grid3.length;loop++) {
			n=eval(nt+loop+'');
			n.src="tictacto/blank.gif";
			}
		for(loop=0;loop<Grid3.length;loop++) Grid3[loop]=null;
		gameover=false;
		if(me.startedlastgame) {me.startedlastgame=false; you.startedlastgame=true; player="you";  updatemsg("YOUR TURN");}
		else {me.startedlastgame=true; you.startedlastgame=false; player="me";  updatemsg("MY TURN"); myTurn();}
//		setTokens();
		}
	
	function report(str) { 
		var r=str;
		if(!document.layers) r='<span class="tic">'+str+'<\/span>';
		return r
		}
		
	function updatemsg(str){
		var u=getObject('msg1');;
		u.innerHTML=report(str);
		}



	function putTic() {
		var x,y,max=getWinDims();
		x=(max[0]-200)/2; y=(max[1]-200)/2;
		if(document.layers) {
			document.layers["tictac"].moveToAbsolute(x,y);
		} else {
			document.all["tictac"].style.left=x+"px";
			document.all["tictac"].style.top=y+"px";
		}}


	function playtic() { 
//		if(t_show) showhide("tictac",false);
//		else {
		gameover=true; 
		recentTokens=setTokens();  
		resetGame(); //showhide("tictac",true)} 
		}