if (document.images) {

<!-- Main navigation -->
			lifeCold = new Image
			lifeHot = new Image
			businessCold = new Image
			businessHot = new Image
			chamberCold = new Image
			chamberHot = new Image
			whatsnewCold = new Image
			whatsnewHot = new Image
			
			textblockDefault = new Image
			textblockLife = new Image
			textblockBusiness = new Image
			textblockChamber = new Image
			textblockWhatsnew = new Image
						
			lifeCold.src = "/images_nav/mainnav_life_cold.gif"
			lifeHot.src = "/images_nav/mainnav_life_hot.gif"
			businessCold.src = "/images_nav/mainnav_business_cold.gif"
			businessHot.src = "/images_nav/mainnav_business_hot.gif"
			chamberCold.src = "/images_nav/mainnav_chamber_cold.gif"
			chamberHot.src = "/images_nav/mainnav_chamber_hot.gif"
			whatsnewCold.src = "/images_nav/mainnav_whatsnew_cold.gif"
			whatsnewHot.src = "/images_nav/mainnav_whatsnew_hot.gif"
			
			textblockDefault.src = "/images_nav/mainnav_textblock_cold.gif"
			textblockLife.src = "/images_nav/mainnav_textblock_life.gif"
			textblockBusiness.src = "/images_nav/mainnav_textblock_business.gif"
			textblockChamber.src = "/images_nav/mainnav_textblock_chamber.gif"
			textblockWhatsnew.src = "/images_nav/mainnav_textblock_whatsnew.gif"
			
			
		}
		else {
			
			lifeCold = ""
			lifeHot = ""
			businessCold = ""
			businessHot = ""
			chamberCold = ""
			chamberHot = ""
			whatsnewCold = ""
			whatsnewHot = ""
			document.about.src = ""
			document.business.src = ""
			document.chamber.src = ""
			document.whatsnew.src = ""
	
			
			textblockDefault = ""
			textblockLife = ""
			textblockBusiness = ""
			textblockChamber = ""
			textblockWhatsew = ""
			document.textblock.src = ""
			
		}