<!--

function screen_height()
{
  if( window.screen )
  {
    return ( screen.Height );
  }
  else if( navigator.javaEnabled() )
  {
    var toolkit = java.awt.Toolkit.getDefaultToolkit();
    var screen_size = toolkit.getScreenSize();
    return ( screen_size.Height );
  }
  return (0);
}

function screen_width()
{
  if( window.screen )
  {
    return ( screen.width );
  }
  else if( navigator.javaEnabled() )
  {
    var toolkit = java.awt.Toolkit.getDefaultToolkit();
    var screen_size = toolkit.getScreenSize();
    return ( screen_size.width );
  }
  return 0;
}

function popup( URL , width , Height )
{
  var sheight = ( ( screen_height() - 20 ) - Height ) / 2;
  var swidth = ( screen_width() - width ) / 2;
  eval("var page = window.open(URL, 'PopUp', 'scrollbars=1,toolbar=0,location=0,statusbar=0,menubar=0,resizable=0,width=" + width + ",height= " + Height + ",left = " + swidth + ",top =" + sheight + "');");
  page.main = self;
  page.focus();
}

-->