if(document.images)
{
  // The following images are used in the Product Guide left navigation menu
  img  = new Image();
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Casement_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Casement_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Awning_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Awning_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400DoubleHung_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400DoubleHung_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400BayBow_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400BayBow_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Gliding_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Gliding_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Roof_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Roof_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Specialty_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400Specialty_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400ArtGlass_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400ArtGlass_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400PatioDoors_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_400PatioDoors_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200Casement_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200Casement_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200Awning_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200Awning_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200DoubleHung_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200DoubleHung_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200BayBow_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200BayBow_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200Specialty_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200Specialty_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200PatioDoors_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200PatioDoors_On.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200StormDoors_Off.gif";
  img.src = "http://www.andersenwindows.com/UEImage/leftNav_200StormDoors_On.gif";
}