function header(){
  document.write("<P ALIGN='CENTER'>");
  document.write("<IMG SRC='GearTrainsLogo.gif'></P>");
}
function footer(){
  document.write("<hr>");
  document.write("<FONT FACE='Arial, Helvetica' size=3>");
  document.write("<a href='gtwph.html'>Home Page</a><br>");
  document.write("</FONT>");
  document.write("&copy;GearTrains, 2000 &ndash; 2003<br>");
  document.write("</p>");
}