diff --git a/www/js/analog.js b/www/js/analog.js
index f70e2ed7..0e239832 100644
--- a/www/js/analog.js
+++ b/www/js/analog.js
@@ -788,15 +788,14 @@ var showAnalogSensorCharts = ( function() {
 		"<div id='myChartM9'></div>" +
 		"<div id='myChartM10'></div>" +
 		"</div>" +
-		"</div>" ),
-		chart1, chart2, chart3;
+		"</div>" );
 
 	function begin() {
 		$.mobile.loading( "show" );
 
-		chart1 = new Array( CHARTS );
-		chart2 = new Array( CHARTS );
-		chart3 = new Array( CHARTS );
+		var chart1 = new Array( CHARTS ),
+			chart2 = new Array( CHARTS ),
+			chart3 = new Array( CHARTS );
 
 		page.one( "pagehide", function() {
 			page.detach();
@@ -815,7 +814,6 @@ var showAnalogSensorCharts = ( function() {
 		$( "#analogsensorchart" ).remove();
 		$.mobile.pageContainer.append( page );
 
-		//SendToOS("/so?pw=&lasthours=24&csv=2", "text").then(function (csv) {
 		sendToOS( "/so?pw=&lasthours=24&csv=2", "text" ).then( function( csv1 ) {
 			buildGraph( "#myChart", chart1, csv1, _( "last 24h" ), "HH:mm" );