<!--

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"

navOilheatRO = new Image
navOilheat = new Image

navOilheatRO.src = "images/navOilheatRO.png"
navOilheat.src = "images/navOilheat.png"

navPropaneRO = new Image
navPropane = new Image

navPropaneRO.src = "images/navPropaneRO.png"
navPropane.src = "images/navPropane.png"

navCommercialRO = new Image
navCommercial = new Image

navCommercialRO.src = "images/navCommercialRO.png"
navCommercial.src = "images/navCommercial.png"

navResidentialRO = new Image
navResidential = new Image

navResidentialRO.src = "images/navResidentialRO.png"
navResidential.src = "images/navResidential.png"

navHeatingRO = new Image
navHeating = new Image

navHeatingRO.src = "images/navHeatingRO.png"
navHeating.src = "images/navHeating.png"

navCoolingRO = new Image
navCooling = new Image

navCoolingRO.src = "images/navCoolingRO.png"
navCooling.src = "images/navCooling.png"

navConservationRO = new Image
navConservation = new Image

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

navContactRO = new Image
navContact = new Image

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

}

else {

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

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

navOilheatRO.src = ""
navOilheat.src = ""
document.navOilheatIMG.src = ""

navPropaneRO.src = ""
navPropane.src = ""
document.navPropaneIMG.src = ""

navCommercialRO.src = ""
navCommercial.src = ""
document.navCommercialIMG.src = ""

navResidentialRO.src = ""
navResidential.src = ""
document.navResidentialIMG.src = ""

navHeatingRO.src = ""
navHeating.src = ""
document.navHeatingIMG.src = ""

navCoolingRO.src = ""
navCooling.src = ""
document.navCoolingIMG.src = ""

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

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

}

 //display or hide container

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


// -->