var movieName = "flash"; // var, id menu

function thisMovie(movieName) {
  // IE and Netscape refer to the movie object differently.
  // This function returns the appropriate syntax depending on the browser.
  if (navigator.appName.indexOf ("Microsoft") !=-1) {
    return window[movieName]
  }	else {
    return document[movieName]
  }
}

// Checks if movie is completely loaded.
// Returns true if yes, false if no. = (true:post movie, false:stop movie)
function movieIsLoaded (theMovie) {
  if (typeof(theMovie) != "undefined") {
    return theMovie.PercentLoaded() == 100;
  } else {
    return false;
  }
}

function playmovie(theFrame) {
  if (movieIsLoaded(thisMovie(movieName))) {
	  thisMovie(movieName).GotoFrame(theFrame);
    thisMovie(movieName).Play();
  }
}