<!--

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"

navBioheatRO = new Image
navBioheat = new Image

navBioheatRO.src = "images/navBioheatRO.png"
navBioheat.src = "images/navBioheat.png"

navPropaneRO = new Image
navPropane = new Image

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

navProductsRO = new Image
navProducts = new Image

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

navOurServicesRO = new Image
navOurServices = new Image

navOurServicesRO.src = "images/navOurServicesRO.png"
navOurServices.src = "images/navOurServices.png"

navEnergyAuditsRO = new Image
navEnergyAudits = new Image

navEnergyAuditsRO.src = "images/navEnergyAuditsRO.png"
navEnergyAudits.src = "images/navEnergyAudits.png"

navContractsRO = new Image
navContracts = new Image

navContractsRO.src = "images/navContractsRO.png"
navContracts.src = "images/navContracts.png"

navHeatingACRO = new Image
navHeatingAC = new Image

navHeatingACRO.src = "images/navHeatingACRO.png"
navHeatingAC.src = "images/navHeatingAC.png"

navCommunityRO = new Image
navCommunity = new Image

navCommunityRO.src = "images/navCommunityRO.png"
navCommunity.src = "images/navCommunity.png"

navTestimonialsRO = new Image
navTestimonials = new Image

navTestimonialsRO.src = "images/navTestimonialsRO.png"
navTestimonials.src = "images/navTestimonials.png"

navPlansRO = new Image
navPlans = new Image

navPlansRO.src = "images/navPlansRO.png"
navPlans.src = "images/navPlans.png"

navAdviceRO = new Image
navAdvice = new Image

navAdviceRO.src = "images/navAdviceRO.png"
navAdvice.src = "images/navAdvice.png"

navFAQRO = new Image
navFAQ = new Image

navFAQRO.src = "images/navFAQRO.png"
navFAQ.src = "images/navFAQ.png"

navAdvantagesRO = new Image
navAdvantages = new Image

navAdvantagesRO.src = "images/navAdvantagesRO.png"
navAdvantages.src = "images/navAdvantages.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 = ""

navBioheatRO.src = ""
navBioheat.src = ""
document.navBioheatIMG.src = ""

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

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

navOurServicesRO.src = ""
navOurServices.src = ""
document.navOurServicesIMG.src = ""

navEnergyAuditsRO.src = ""
navEnergyAudits.src = ""
document.navEnergyAuditsIMG.src = ""

navContractsRO.src = ""
navContracts.src = ""
document.navContractsIMG.src = ""

navHeatingACRO.src = ""
navHeatingAC.src = ""
document.navHeatingACIMG.src = ""

navCommunityRO.src = ""
navCommunity.src = ""
document.navCommunityIMG.src = ""

navTestimonialsRO.src = ""
navTestimonials.src = ""
document.navTestimonialsIMG.src = ""

navPlansRO.src = ""
navPlans.src = ""
document.navPlansIMG.src = ""

navAdviceRO.src = ""
navAdvice.src = ""
document.navAdviceIMG.src = ""

navFAQRO.src = ""
navFAQ.src = ""
document.navFAQIMG.src = ""

navAdvantagesRO.src = ""
navAdvantages.src = ""
document.navAdvantagesIMG.src = ""

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

}

function validEmail(email) {
	invalidChars = "'\" /:,;"
	
	if (email == "") {						
		return false
	}
	for (i=0; i<invalidChars.length; i++) {
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) > -1) {
			return false
		}
	}
	atPos = email.indexOf("@",1)
	if (atPos == -1) {
		return false
	}
	if (email.indexOf("@",atPos+1) != -1) {
		return false
	}
	periodPos = email.indexOf(".",atPos)
	if (periodPos == -1) {					
		return false
	}
	if (periodPos+3 > email.length)	{
		return false
	}
	return true
}

function emailcheck(subscription) {
	
	if (!validEmail(subscription.xemail.value)) {
		alert("The email address you've entered contains errors.\nPlease correct and submit again.")
		subscription.xemail.focus()
		subscription.xemail.select()
		return false
	}
	
	return true
	
}

// -->