Este Script nos da la oportunidad de volver a jugar al viejo juego de "Piedra, Papel, Tijeras".

<SCRIPT LANGUAGE="JavaScript">
// Go the globals
var Players_Choice;
var Computers_Choice;
//pre load image onto user computer
var imageArray = new Array(3);
for (var i=0 ; i<3 ; i++)
imageArray = new Image();
imageArray[0].src="imatges/pedra.gif";
imageArray[1].src="imatges/tisora.gif";
imageArray[2].src="imatges/paper.gif";
function playGame(Choice) {
//Wouldn't work unless I did this
Players_Choice=Choice;
// change players image
document.user_image.src = imageArray[Players_Choice-1].src;
//Have comp's choice Change Intermitently (Animate)
intervalID1 = setInterval('SwitchImage();',100);
setTimeout('results(intervalID1);',700);
}
function SwitchImage(){
Computers_Choice=(Math.round(Math.random()*2)+1);
document.comp_image.src = imageArray[Computers_Choice-1].src;
}
function results(intervalID1) {
//Firstly, Stop the animation
clearInterval(intervalID1);
//Player won
if ( (Players_Choice == 1 && Computers_Choice == 2) ||
  (Players_Choice == 2 && Computers_Choice == 3) ||
  (Players_Choice == 3 && Computers_Choice == 1)){
win.value++;
alert ('Tu ganas'); }
// Its a draw
else if ( Players_Choice == Computers_Choice ){
tie.value++;
alert ('Empatais'); }
// Player Lost
else {
loss.value++;
alert ('Tu pierdes'); }
}
function clear_score() {
// wipe score board
loss.value=0
win.value=0
tie.value=0
}
// End -->
</script>
</form>
<p><FONT FACE="Verdana, Arial" SIZE="1">Haz tu elección!!!

La roca gana a las tijeras. Las estijeras cortan el papel. El papel envuelve la roca.</FONT></p>
<a href="javascript:;" onClick=playGame(1);><img border=0 src="imatges/pedra.gif" alt="Piedra">[/url]
<a href="javascript:;" onClick=playGame(2);><img border=0 src="imatges/tisora.gif" alt="Tijeras">[/url]
<a href="javascript:;" onClick=playGame(3);><img border=0 src="imatges/paper.gif" alt="Papel">[/url]

<FONT FACE="Verdana, Arial" SIZE="1"> Piedra || Estijera || Papel</FONT>
<p><img border=0 NAME="user_image" src="imatges/pedra.gif" >
<img border=0 NAME="comp_image" src="imatges/paper.gif" >

<FONT FACE="Verdana, Arial" SIZE="1"> Tu || El PC </FONT></p>
<p>
<INPUT TYPE="text" SIZE=2 MAXLENGTH=3 NAME="win" WIN.VALUE="0"><FONT FACE="Verdana, Arial" SIZE="1"> Ganas
<INPUT TYPE="text" SIZE=2 MAXLENGTH=3 NAME="loss" LOSS.VALUE="0"><FONT FACE="Verdana, Arial" SIZE="1"> Pierdes
<INPUT TYPE="text" SIZE=2 MAXLENGTH=3 NAME="tie" TIE.VALUE="0"><FONT FACE="Verdana, Arial" SIZE="1"> Empate
</p>
<p> <input type=button value="Borrar resultados" onClick="clear_score()"></p>