function getScreenWidth()
    {
      var height  = 0; 
      var width   = 0; 
      if (self.screen) { // for NN4 and IE4 
        width = screen.width ;
        height = screen.height; 
      } else if (self.java) { // for NN3 with enabled Java 
        var jkit = java.awt.Toolkit.getDefaultToolkit(); 
        var scrsize = jkit.getScreenSize(); 
        width = scrsize.width; 
        height = scrsize.height; 
      } 
      
      return width;
    }

    function calcFrameHeight()
    {
      var width = getScreenWidth();

      var etal_w = 1280;
      var etal_h = 263;

      return Math.floor(width / (etal_w / etal_h));
    }

    function getMovie(movieName)
    {
	if (window.document[movieName]) {
	 //return window.document[movieName];
            }
	if (navigator.appName.indexOf("Microsoft Internet")==-1){
    	    if (document.embeds && document.embeds[movieName]) {
		return document.embeds[movieName]; 
	    }
	} else {
	    return document.getElementById(movieName);
	}
	return false;
    }