if (document.images) {

<!-- Main navigation -->
			homeCold = new Image
			homeHot = new Image
			aboutamsCold = new Image
			aboutamsHot = new Image
			billingcodingCold = new Image
			billingcodingHot = new Image
			practicemgmtCold = new Image
			practicemgmtHot = new Image
			transcriptionCold = new Image
			transcriptionHot = new Image
			contactCold = new Image
			contactHot = new Image
			
			sidenav01Cold = new Image
			sidenav01Hot = new Image
			sidenav02Cold = new Image
			sidenav02Hot = new Image
			sidenav03Cold = new Image
			sidenav03Hot = new Image
			sidenav04Cold = new Image
			sidenav04Hot = new Image
			
			homeCold.src = "/sb_images_nav/mainnav_home_cold.gif"
			homeHot.src = "/sb_images_nav/mainnav_home_hot.gif"
			aboutamsCold.src = "/sb_images_nav/mainnav_aboutams_cold.gif"
			aboutamsHot.src = "/sb_images_nav/mainnav_aboutams_hot.gif"
			billingcodingCold.src = "/sb_images_nav/mainnav_billingcoding_cold.gif"
			billingcodingHot.src = "/sb_images_nav/mainnav_billingcoding_hot.gif"
			practicemgmtCold.src = "/sb_images_nav/mainnav_practicemgmt_cold.gif"
			practicemgmtHot.src = "/sb_images_nav/mainnav_practicemgmt_hot.gif"
			transcriptionCold.src = "/sb_images_nav/mainnav_transcription_cold.gif"
			transcriptionHot.src = "/sb_images_nav/mainnav_transcription_hot.gif"
			contactCold.src = "/sb_images_nav/mainnav_contact_cold.gif"
			contactHot.src = "/sb_images_nav/mainnav_contact_hot.gif"
			
			sidenav01Cold.src = "/sb_images_nav/sidenav/sidenav_button01_cold.gif"
			sidenav01Hot.src = "/sb_images_nav/sidenav/sidenav_button01_hot.gif"
			sidenav02Cold.src = "/sb_images_nav/sidenav/sidenav_button02_cold.gif"
			sidenav02Hot.src = "/sb_images_nav/sidenav/sidenav_button02_hot.gif"
			sidenav03Cold.src = "/sb_images_nav/sidenav/sidenav_button03_cold.gif"
			sidenav03Hot.src = "/sb_images_nav/sidenav/sidenav_button03_hot.gif"
			sidenav04Cold.src = "/sb_images_nav/sidenav/sidenav_button04_cold.gif"
			sidenav04Hot.src = "/sb_images_nav/sidenav/sidenav_button04_hot.gif"
			
		}
		else {
			
			homeCold = ""
			homeHot = ""
			aboutamsCold = ""
			aboutamsHot = ""
			billingcodingCold = ""
			billingcodingHot = ""
			practicemgmtCold = ""
			practicemgmtHot = ""
			transcriptionCold = ""
			transcriptionHot = ""
			contactCold = ""
			contactHot = ""
			document.home.src = ""
			document.aboutams.src = ""
			document.billingcoding.src = ""
			document.practicemgmt.src = ""
			document.transcription.src = ""
			document.contact.src = ""
			
			sidenav01Cold = ""
			sidenav01Hot = ""
			sidenav02Cold = ""
			sidenav02Hot = ""
			sidenav03Cold = ""
			sidenav03Hot = ""
			sidenav04Cold = ""
			sidenav04Hot = ""
			document.sidenav01.src = ""
			document.sidenav02.src = ""
			document.sidenav03.src = ""
			document.sidenav04.src = ""
			
		}