if (document.images){
sBtn_Description_on = new Image();
sBtn_Description_on.src = "/images/nav/onoff/sBtn_Description_on.gif";
sBtn_Description_off = new Image();
sBtn_Description_off.src = "/images/nav/onoff/sBtn_Description_off.gif";
sBtn_History_on = new Image();
sBtn_History_on.src = "/images/nav/onoff/sBtn_History_on.gif";
sBtn_History_off = new Image();
sBtn_History_off.src = "/images/nav/onoff/sBtn_History_off.gif";
sBtn_Features_on = new Image();
sBtn_Features_on.src = "/images/nav/onoff/sBtn_Features_on.gif";
sBtn_Features_off = new Image();
sBtn_Features_off.src = "/images/nav/onoff/sBtn_Features_off.gif";
sBtn_Convenience_on = new Image();
sBtn_Convenience_on.src = "/images/nav/onoff/sBtn_Convenience_on.gif";
sBtn_Convenience_off = new Image();
sBtn_Convenience_off.src = "/images/nav/onoff/sBtn_Convenience_off.gif";
sBtn_AssociatedSites_on = new Image();
sBtn_AssociatedSites_on.src = "/images/nav/onoff/sBtn_AssociatedSites_on.gif";
sBtn_AssociatedSites_off = new Image();
sBtn_AssociatedSites_off.src = "/images/nav/onoff/sBtn_AssociatedSites_off.gif";
sBtn_MapDirections_on = new Image();
sBtn_MapDirections_on.src = "/images/nav/onoff/sBtn_MapDirections_on.gif";
sBtn_MapDirections_off = new Image();
sBtn_MapDirections_off.src = "/images/nav/onoff/sBtn_MapDirections_off.gif";
sBtn_PhotoGallery_on = new Image();
sBtn_PhotoGallery_on.src = "/images/nav/onoff/sBtn_PhotoGallery_on.gif";
sBtn_PhotoGallery_off = new Image();
sBtn_PhotoGallery_off.src = "/images/nav/onoff/sBtn_PhotoGallery_off.gif";
sBtn_ContactUs_on = new Image();
sBtn_ContactUs_on.src = "/images/nav/onoff/sBtn_ContactUs_on.gif";
sBtn_ContactUs_off = new Image();
sBtn_ContactUs_off.src = "/images/nav/onoff/sBtn_ContactUs_off.gif";
}