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if (document.images) {

navHomeRO = new Image
navHome = new Image

navHomeRO.src = "images/navHomeRO.png"
navHome.src = "images/navHome.png"

navAboutRO = new Image
navAbout = new Image

navAboutRO.src = "images/navAboutRO.png"
navAbout.src = "images/navAbout.png"

navProductsRO = new Image
navProducts = new Image

navProductsRO.src = "images/navProductsRO.png"
navProducts.src = "images/navProducts.png"

navServicesRO = new Image
navServices = new Image

navServicesRO.src = "images/navServicesRO.png"
navServices.src = "images/navServices.png"

navPaymentOptionsRO = new Image
navPaymentOptions = new Image

navPaymentOptionsRO.src = "images/navPaymentOptionsRO.png"
navPaymentOptions.src = "images/navPaymentOptions.png"

navServicePlansRO = new Image
navServicePlans = new Image

navServicePlansRO.src = "images/navServicePlansRO.png"
navServicePlans.src = "images/navServicePlans.png"

navConservationRO = new Image
navConservation = new Image

navConservationRO.src = "images/navConservationRO.png"
navConservation.src = "images/navConservation.png"

navReferralRO = new Image
navReferral = new Image

navReferralRO.src = "images/navReferralRO.png"
navReferral.src = "images/navReferral.png"

navAffiliationsRO = new Image
navAffiliations = new Image

navAffiliationsRO.src = "images/navAffiliationsRO.png"
navAffiliations.src = "images/navAffiliations.png"

navContactRO = new Image
navContact = new Image

navContactRO.src = "images/navContactRO.png"
navContact.src = "images/navContact.png"

snavOilheatRO = new Image
snavOilheat = new Image

snavOilheatRO.src = "images/products/snavOilheatRO.jpg"
snavOilheat.src = "images/products/snavOilheat.jpg"

snavOilheatSystemsRO = new Image
snavOilheatSystems = new Image

snavOilheatSystemsRO.src = "images/products/snavOilheatSystemsRO.jpg"
snavOilheatSystems.src = "images/products/snavOilheatSystems.jpg"

snavOilBurnerRO = new Image
snavOilBurner = new Image

snavOilBurnerRO.src = "images/products/snavOilBurnerRO.jpg"
snavOilBurner.src = "images/products/snavOilBurner.jpg"

snavBoilersRO = new Image
snavBoilers = new Image

snavBoilersRO.src = "images/products/snavBoilersRO.jpg"
snavBoilers.src = "images/products/snavBoilers.jpg"

snavFurnacesRO = new Image
snavFurnaces = new Image

snavFurnacesRO.src = "images/products/snavFurnacesRO.jpg"
snavFurnaces.src = "images/products/snavFurnaces.jpg"

snavWaterHeatersRO = new Image
snavWaterHeaters = new Image

snavWaterHeatersRO.src = "images/products/snavWaterHeatersRO.jpg"
snavWaterHeaters.src = "images/products/snavWaterHeaters.jpg"

snavOilTanksRO = new Image
snavOilTanks = new Image

snavOilTanksRO.src = "images/products/snavOilTanksRO.jpg"
snavOilTanks.src = "images/products/snavOilTanks.jpg"

snavThermostatsRO = new Image
snavThermostats = new Image

snavThermostatsRO.src = "images/products/snavThermostatsRO.jpg"
snavThermostats.src = "images/products/snavThermostats.jpg"


snavTuneUpsRO = new Image
snavTuneUps = new Image

snavTuneUpsRO.src = "images/services/snavTuneUpsRO.jpg"
snavTuneUps.src = "images/services/snavTuneUps.jpg"

snavAutomaticDeliveryRO = new Image
snavAutomaticDelivery = new Image

snavAutomaticDeliveryRO.src = "images/services/snavAutomaticDeliveryRO.jpg"
snavAutomaticDelivery.src = "images/services/snavAutomaticDelivery.jpg"

snavEmergencyServiceRO = new Image
snavEmergencyService = new Image

snavEmergencyServiceRO.src = "images/services/snavEmergencyServiceRO.jpg"
snavEmergencyService.src = "images/services/snavEmergencyService.jpg"

snavOilheatDeliveryRO = new Image
snavOilheatDelivery = new Image

snavOilheatDeliveryRO.src = "images/services/snavOilheatDeliveryRO.jpg"
snavOilheatDelivery.src = "images/services/snavOilheatDelivery.jpg"

snavInstallationRO = new Image
snavInstallation = new Image

snavInstallationRO.src = "images/services/snavInstallationRO.jpg"
snavInstallation.src = "images/services/snavInstallation.jpg"

snavSOSsystemRO = new Image
snavSOSsystem = new Image

snavSOSsystemRO.src = "images/services/snavSOSsystemRO.jpg"
snavSOSsystem.src = "images/services/snavSOSsystem.jpg"

snavInspectionsRO = new Image
snavInspections = new Image

snavInspectionsRO.src = "images/services/snavInspectionsRO.jpg"
snavInspections.src = "images/services/snavInspections.jpg"

}

else {

navHomeRO.src = ""
navHome.src = ""
document.navHomeIMG.src = ""

navAboutRO.src = ""
navAbout.src = ""
document.navAboutIMG.src = ""

navProductsRO.src = ""
navProducts.src = ""
document.navProductsIMG.src = ""

navServicesRO.src = ""
navServices.src = ""
document.navServicesIMG.src = ""

navPaymentOptionsRO.src = ""
navPaymentOptions.src = ""
document.navPaymentOptionsIMG.src = ""

navServicePlansRO.src = ""
navServicePlans.src = ""
document.navServicePlansIMG.src = ""

navConservationRO.src = ""
navConservation.src = ""
document.navConservationIMG.src = ""

navReferralRO.src = ""
navReferral.src = ""
document.navReferralIMG.src = ""

navAffiliationsRO.src = ""
navAffiliations.src = ""
document.navAffiliationsIMG.src = ""

navContactRO.src = ""
navContact.src = ""
document.navContactIMG.src = ""

snavOilheatRO.src = ""
snavOilheat.src = ""
document.snavOilheatIMG.src = ""

snavOilheatSystemsRO.src = ""
snavOilheatSystems.src = ""
document.snavOilheatSystemsIMG.src = ""

snavOilBurnerRO.src = ""
snavOilBurner.src = ""
document.snavOilBurnerIMG.src = ""

snavBoilersRO.src = ""
snavBoilers.src = ""
document.snavBoilersIMG.src = ""

snavFurnacesRO.src = ""
snavFurnaces.src = ""
document.snavFurnacesIMG.src = ""

snavWaterHeatersRO.src = ""
snavWaterHeaters.src = ""
document.snavWaterHeatersIMG.src = ""

snavOilTanksRO.src = ""
snavOilTanks.src = ""
document.snavOilTanksIMG.src = ""

snavThermostatsRO.src = ""
snavThermostats.src = ""
document.snavThermostatsIMG.src = ""

snavTuneUpsRO.src = ""
snavTuneUps.src = ""
document.snavTuneUpsIMG.src = ""

snavAutomaticDeliveryRO.src = ""
snavAutomaticDelivery.src = ""
document.snavAutomaticDeliveryIMG.src = ""

snavEmergencyServiceRO.src = ""
snavEmergencyService.src = ""
document.snavEmergencyServiceIMG.src = ""

snavOilheatDeliveryRO.src = ""
snavOilheatDelivery.src = ""
document.snavOilheatDeliveryIMG.src = ""

snavInstallationRO.src = ""
snavInstallation.src = ""
document.snavInstallationIMG.src = ""

snavSOSsystemRO.src = ""
snavSOSsystem.src = ""
document.snavSOSsystemIMG.src = ""

snavInspectionsRO.src = ""
snavInspections.src = ""
document.snavInspectionsIMG.src = ""

}

 //display or hide container

 function setVisible(objContainer,status) {
	var obj = document.getElementById(objContainer);
	obj.style.display = status;
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// -->