var g_soundFlag = 'off';

  function setCookie(c_name,value,expiredays) {
    var exdate = new Date();exdate.setDate(exdate.getDate()+expiredays);
    document.cookie=c_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
  }

  function getCookie(c_name)
  {
    if (document.cookie.length>0)
      {
      c_start=document.cookie.indexOf(c_name + "=");
      if (c_start!=-1)
        {
        c_start=c_start + c_name.length+1;
        c_end=document.cookie.indexOf(";",c_start);
        if (c_end==-1) c_end=document.cookie.length;
        return unescape(document.cookie.substring(c_start,c_end));
        }
      }
    return "";
  }

  function soundPrint(oIdName,sFlag) {
    document.getElementById(oIdName).innerHTML = '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="1" height="1" id="zene2" align="middle"><param name="allowScriptAccess" value="sameDomain" /><param name="movie" value="zene2.swf?sound='+sFlag+'" /><param name="quality" value="high" /><param name="bgcolor" value="#000000" /><embed src="zene2.swf?sound='+sFlag+'" quality="high" bgcolor="#000000" width="1" height="1" name="zene2" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></object>';
    if (sFlag=="off")
      document.getElementById(oIdName).innerHTML = '';
  }

  function soundPrint2(oIdName) {
    if (g_soundFlag=="off")
      document.getElementById(oIdName).innerHTML = '<img src="gfx/sound_off.gif" onclick="soundClick();" style="cursor:pointer;cursor:hand;" border="0">';
    else
      document.getElementById(oIdName).innerHTML = '<img src="gfx/sound_on.gif" onclick="soundClick();" style="cursor:pointer;cursor:hand;" border="0">';
  }
  
  function checkSoundCookie() {
    g_soundFlag = getCookie('soundflag');
    if (g_soundFlag=="")
      g_soundFlag = "off";
    
    //img
    soundPrint2('soundimg');
    
    //swf
    if (g_soundFlag=="off")
      soundPrint('soundid', 'off');
    else
      soundPrint('soundid', 'on');
  }
  
  function soundClick() {
    if (g_soundFlag=="on")
    {
      g_soundFlag = 'off';
      soundPrint2('soundimg');
      soundPrint('soundid', 'off');
      setCookie('soundflag','off',365);
    }
    else
    {
      g_soundFlag = 'on';
      soundPrint2('soundimg');
      soundPrint('soundid', 'on');
      setCookie('soundflag','on',365);
    }
  }