Javascript cookie for mute button

[COLOR=Red]heres the download to the files[/COLOR]

Im trying to create a cookie that will hold a mute variable for several swfs, im not sure of how to do it and this is not working, I was hoping someone would help me, heres the flash
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[COLOR=Gray] import flash.external.ExternalInterface;
tess = ExternalInterface.call("MyVolume");
if (tess.data.value != undefined) {
    if (tess.data.value == 1) {
        trace("off");
        bt.gotoAndStop(2);
    } else {
        trace("on");
    }
} else {
    trace("undefined");   

on (release) {
    this.gotoAndStop(2);
    tess.data.value =1
    tess = ExternalInterface.call("MyVolume");

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And heres the javascript:


[COLOR=Gray]<SCRIPT LANGUAGE="JavaScript">
<!--
function setCookie(value)
{
  document.cookie = value;
}
function getCookie(value)
{
    value=getCookie('value');
if (value!=null && value!="")
  {
 return  document.cookie.toString();
  }
  else 
  {
 /// username=prompt('Please enter your name:',"");
  if (value!=null && value!="")
    {
    setCookie('value',0);
    }
  }
}
}
//-->
//</SCRIPT>
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