function NavigationButtons()
{
  var buffer="";

  preloadImage00 = new Image()
  preloadImage01 = new Image()
  preloadImage02 = new Image()
  preloadImage03 = new Image()
  preloadImage04 = new Image()
  preloadImage05 = new Image()
  preloadImage06 = new Image()
  preloadImage07 = new Image()
  preloadImage08 = new Image()
  preloadImage09 = new Image()
  preloadImage10 = new Image()
  preloadImage11 = new Image()
  preloadImage12 = new Image()
  preloadImage13 = new Image()
  preloadImage14 = new Image()
  preloadImage15 = new Image()
  preloadImage16 = new Image()

  preloadImage01.src = "homepage-off.jpg"
  preloadImage02.src = "homepage-on.jpg"
  preloadImage03.src = "process-off.jpg"
  preloadImage04.src = "process-on.jpg"
  preloadImage05.src = "sustain-off.jpg"
  preloadImage06.src = "sustain-on.jpg"
  preloadImage07.src = "residential-off.jpg"
  preloadImage08.src = "residential-on.jpg"
  preloadImage09.src = "commercial-off.jpg"
  preloadImage10.src = "commercial-on.jpg"
  preloadImage11.src = "profile-off.jpg"
  preloadImage12.src = "profile-on.jpg"
  preloadImage13.src = "links-off.jpg"
  preloadImage14.src = "links-on.jpg"
  preloadImage15.src = "payment-off.jpg"
  preloadImage16.src = "payment-on.jpg"

  buffer+='<A HREF="index.htm" ONMOUSEOVER="homepagebutton.src=';
  buffer+="'homepage-on.jpg';";
  buffer+='" ONMOUSEOUT="homepagebutton.src=';
  buffer+="'homepage-off.jpg';";
  buffer+='"><IMG SRC="homepage-off.jpg" NAME="homepagebutton" BORDER="0" ALT="Home Page"></A><BR>';

  buffer+='<A HREF="process.htm" ONMOUSEOVER="processbutton.src=';
  buffer+="'process-on.jpg';";
  buffer+='" ONMOUSEOUT="processbutton.src=';
  buffer+="'process-off.jpg';";
  buffer+='"><IMG SRC="process-off.jpg" NAME="processbutton" BORDER="0" ALT="process"></A><BR>';

  buffer+='<A HREF="sustain.htm" ONMOUSEOVER="sustainbutton.src=';
  buffer+="'sustain-on.jpg';";
  buffer+='" ONMOUSEOUT="sustainbutton.src=';
  buffer+="'sustain-off.jpg';";
  buffer+='"><IMG SRC="sustain-off.jpg" NAME="sustainbutton" BORDER="0" ALT="sustain"></A><BR>';

  buffer+='<A HREF="residential.htm" ONMOUSEOVER="residentialbutton.src=';
  buffer+="'residential-on.jpg';";
  buffer+='" ONMOUSEOUT="residentialbutton.src=';
  buffer+="'residential-off.jpg';";
  buffer+='"><IMG SRC="residential-off.jpg" NAME="residentialbutton" BORDER="0" ALT="residential"></A><BR>';

  buffer+='<A HREF="commercial.htm" ONMOUSEOVER="commercialbutton.src=';
  buffer+="'commercial-on.jpg';";
  buffer+='" ONMOUSEOUT="commercialbutton.src=';
  buffer+="'commercial-off.jpg';";
  buffer+='"><IMG SRC="commercial-off.jpg" NAME="commercialbutton" BORDER="0" ALT="commercial"></A><BR>';

  buffer+='<A HREF="profile.htm" ONMOUSEOVER="profilebutton.src=';
  buffer+="'profile-on.jpg';";
  buffer+='" ONMOUSEOUT="profilebutton.src=';
  buffer+="'profile-off.jpg';";
  buffer+='"><IMG SRC="profile-off.jpg" NAME="profilebutton" BORDER="0" ALT="profile"></A><BR>';

  buffer+='<A HREF="links.htm" ONMOUSEOVER="linksbutton.src=';
  buffer+="'links-on.jpg';";
  buffer+='" ONMOUSEOUT="linksbutton.src=';
  buffer+="'links-off.jpg';";
  buffer+='"><IMG SRC="links-off.jpg" NAME="linksbutton" BORDER="0" ALT="links"></A><BR>';

  buffer+='<A HREF="payment.htm" ONMOUSEOVER="paymentbutton.src=';
  buffer+="'payment-on.jpg';";
  buffer+='" ONMOUSEOUT="paymentbutton.src=';
  buffer+="'payment-off.jpg';";
  buffer+='"><IMG SRC="payment-off.jpg" NAME="paymentbutton" BORDER="0" ALT="payment"></A><BR>';

  document.write(buffer);
  return;
}