function NewWindow(mypage, myname, w, h, scroll)
	{
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
	}

function playSound(soundname) {
var sound = eval("document." + soundname);
 // make an effort to stop and rewind any playback
 // already in progress so that the sound starts over.
 // Otherwise this call has no effect when the sound
 // is already in progress. You can remove these lines
 // if you don't like this behavior.
 try {
  sound.Stop();
  sound.Rewind();
 } catch (e) {
  // A player that doesn't support
  // Stop and Rewind
 }

 try {
  // For RealPlayer-enabled browsers.
  // Some versions of RealPlayer do not
  // offer a Play() function and will
  // fail to play sound if we try to
  // call Play(). 
  sound.DoPlay();
 } catch (e) {
  // If DoPlay doesn't work, call Play.
  // This works for all other audio 
  // plug-ins.
  sound.Play();
 }
}