function OpenWindow(winname, url, height, width)
{
        var left = (screen.width/2)-(width/2);
        var top = (screen.height/2)-(height/2);
        window.open(url,winname,"width=" + width + ",height=" + height + ",top=" + top + ",left=" + left + ",toolbar=no,addressbar=no,location=no,menubar=no,titlebar=no,status=no,resizable=yes,scrollbars=yes");
}

ver=parseInt(navigator.appVersion)
ie4=(ver>3  && navigator.appName!="Netscape")?1:0
ns4=(ver>3  && navigator.appName=="Netscape")?1:0
ns3=(ver==3 && navigator.appName=="Netscape")?1:0

function playSound() {
 if (ie4) document.all['BGSOUND_ID'].src='sound.mp3';
 if ((ns4||ns3)
  && navigator.javaEnabled()
  && navigator.mimeTypes['audio/x-midi']
  && self.document.Bach.IsReady()
 )
 {
  self.document.Bach.play()
 }
}

function stopSound() {
 if (ie4) document.all['BGSOUND_ID'].src='silence.mid';
 if ((ns4||ns3)
  && navigator.javaEnabled()
  && navigator.mimeTypes['audio/x-midi']
 )
 {
  self.document.Bach.stop()
 }
}

function emptyTxt()
{
        document.frmNewsletter.email.value = "";
}