Overfør variabel?

Hej!
Hvordan for jeg min XxNo-variabel fra (Picture.js - anden side) overført og udskrevet til/på min Temp1.php3? Picture.js er included på Temp1.php3 siden...
<html>
<head>
    <title>Tja...</title>
   
<script language="JavaScript">
<!--

var XxNo = 0;

function Add() {
    XxNo = XxNo + 1;
}

//-->
</script>

</head>
<body>
<form action="Temp1.php3" method="post" name="form1">
<div id="Layer1" style="BACKGROUND-COLOR: #969696; BORDER-BOTTOM: #000000 solid; BORDER-LEFT: #000000 solid; BORDER-RIGHT: #000000 solid; BORDER-TOP: #000000 solid; HEIGHT: 139px; LEFT: 5px; POSITION: absolute; TOP: 130px; VISIBILITY: hidden; WIDTH: 292px; Z-INDEX: 1; layer-background-color: #d2d2d2">
  <div align="center">Browse for your picture!
    <p>
      <input type="file" name="Picture">
    </p>
    <p>
      <input type="Submit" name="Ok" value="  Ok  " onClick="MM_showHideLayers('Layer1','','hide'), ('Add()');">
      <input type="reset" name="Reset" value=" Reset ">
    </p>
  </div>
</div>
</form>
</body>
</html>