//Load and Cache all images

			var Labeloff = new Image();  
			var Labelon = new Image();  
			var Legendoff = new Image();  
			var Legendon = new Image();  
			var ZoomOuton = new Image();  
			var ZoomOutoff = new Image();  
			var ZoomInon = new Image();  
			var ZoomInoff = new Image();  

			ZoomOuton.src = 'images/butBarZoomOut_ON.gif';	
			ZoomOutoff.src = 'images/butBarZoomOut_OFF.gif';	
			ZoomInon.src = 'images/butBarZoomIn_ON.gif';	
			ZoomInoff.src = 'images/butBarZoomIn_OFF.gif';
			Labeloff.src = 'images/butBarLabels_OFF.gif';				
			Labelon.src = 'images/butBarLabels_ON.gif';				
			Legendoff.src = 'images/butBarLegend_OFF.gif';				
			Legendon.src = 'images/butBarLegend_ON.gif';	
	
	
	
	
//var imgZoomOutId =  '{1}'
//var imgZoomCentreId =  '{2}'
//var imgMapLabelId =  '{3}'
//var imgMapLegendId =  '{4}'


			

			
			function toggleLabels(){
				
				document.getElementById(hdnMapLabelOnId).value = 
				 (document.getElementById(hdnMapLabelOnId).value == 'false' || document.getElementById(hdnMapLabelOnId).value == '')? 'true': 'false';	

				if (document.images){					
					document.getElementById(hdnMapLabelOnId).value == 'true' ? document.images['butLabel'].src = Labelon.src : document.images['butLabel'].src = Labeloff.src;		
				}		 					
				//document.getElementById('ctl00$C1$ctrlBuildReset$btnBuild').click();
			}

			function toggleLegend(){					
				 				
				document.getElementById(hdnMapLegendOnId).value = 
				(document.getElementById(hdnMapLegendOnId).value == 'false' || document.getElementById(hdnMapLegendOnId).value == '')? 'true': 'false';
			 				 
				if (document.images){					
					document.getElementById(hdnMapLegendOnId).value == 'true' ? document.images['butLegend'].src = Legendon.src : document.images['butLegend'].src = Legendoff.src;		
				}				
				//document.getElementById('ctl00$C1$ctrlBuildReset$btnBuild').click();
			}
				
										

			/* Toggle zoom images */		
			
			function toggleZoomIn(v){

				document.images['butZoomIn'].src = 'images/butBarZoomIn_ON.gif';
				document.images['butZoomOut'].src ='images/butBarZoomOut_OFF.gif';
				document.images['butCentre'].src ='images/butBarCentre_OFF.gif';

				document.getElementById(hdnMapZoomActionId).value = v;		
			}
			
			function toggleZoomOut(v){
				
				document.images['butZoomIn'].src = 'images/butBarZoomIn_OFF.gif';
				document.images['butZoomOut'].src ='images/butBarZoomOut_ON.gif';
				document.images['butCentre'].src ='images/butBarCentre_OFF.gif';

				document.getElementById(hdnMapZoomActionId).value = v;						
				 
			}

			function toggleCenter(v){
				
				document.images['butZoomIn'].src = 'images/butBarZoomIn_OFF.gif';
				document.images['butZoomOut'].src ='images/butBarZoomOut_OFF.gif';
				document.images['butCentre'].src ='images/butBarCentre_ON.gif';

				document.getElementById(hdnMapZoomActionId).value = v;		


			}