// pre-load all navigation images

          if (document.images) {
		  
			// Nav items for What Is UTV
			// Section 2.1
			featureson = new Image();   featureson.src = "images/nav/2.1Features_Ovr.gif";
			featuresoff = new Image();   featuresoff.src = "images/nav/2.1Features_Off.gif";		
			features1on = new Image();   features1on.src = "images/nav/2.1.1RecordwoVTape_Ovr.gif";
			features1off = new Image();   features1off.src = "images/nav/2.1.1RecordwoVTape_Off.gif";
			features2on = new Image();   features2on.src = "images/nav/2.1.2Record2Shows_Ovr.gif";
			features2off = new Image();   features2off.src = "images/nav/2.1.2Record2Shows_Off.gif";
			features3on = new Image();   features3on.src = "images/nav/2.1.3PauseLiveTV_Ovr.gif";
			features3off = new Image();   features3off.src = "images/nav/2.1.3PauseLiveTV_Off.gif";
			features3_1on = new Image();   features3_1on.src = "images/nav/2.1.4SkipAhead_Ovr.gif";
			features3_1off = new Image();   features3_1off.src = "images/nav/2.1.4SkipAhead_Off.gif";
			features4on = new Image();   features4on.src = "images/nav/2.1.4InstantReplay_Ovr.gif";
			features4off = new Image();   features4off.src = "images/nav/2.1.4InstantReplay_Off.gif";
			features5on = new Image();   features5on.src = "images/nav/2.1.5SearchTV_Ovr.gif";
			features5off = new Image();   features5off.src = "images/nav/2.1.5SearchTV_Off.gif";
			features6on = new Image();   features6on.src = "images/nav/2.1.6AutomaticUpg_Ovr.gif";
			features6off = new Image();   features6off.src = "images/nav/2.1.6AutomaticUpg_Off.gif";
			features7on = new Image();   features7on.src = "images/nav/2.1.7MoreFeatures_Ovr.gif";
			features7off = new Image();   features7off.src = "images/nav/2.1.7MoreFeatures_Off.gif";
			// Section 2.2
			commonquestionson = new Image();   commonquestionson.src = "images/nav/2.2CommonQ_Ovr.gif";
			commonquestionsoff = new Image();   commonquestionsoff.src = "images/nav/2.2CommonQ_Off.gif";	
			// Section 2.3
			productcompon = new Image();   productcompon.src = "images/nav/2.3ProductComp_Ovr.gif";
			productcompoff = new Image();   productcompoff.src = "images/nav/2.3ProductComp_Off.gif";
			// Section 2.4
			staytunedon = new Image();   staytunedon.src = "images/nav/2.4StayTuned_Ovr.gif";
			staytunedoff = new Image();   staytunedoff.src = "images/nav/2.4StayTuned_Off.gif";
			
          }