diff --git a/frontend/javascript/functions.js b/frontend/javascript/functions.js
index 03f514d..0405e03 100644
--- a/frontend/javascript/functions.js
+++ b/frontend/javascript/functions.js
@@ -18,35 +18,6 @@
 * http://www.gnu.org/copyleft/gpl.html
 */  
 
-// return an array with timestamps of e.g. 
-// 2010-05-01 00:00:00, 2010-05-01 01:00, 2010-05-01 02:00 for grouping=hour
-// between windowStart and windowEnd of json response
-function getEmptyGroupArray() {
-	var empty_array = new Object();
-	
-	var iterator = getGroupedTimestamp(myWindowStart);
-	//$('#debug').empty().append('start:'+myWindowStart+'end:'+myWindowEnd);
-	
-	if(myWindowStart < myWindowEnd && iterator < myWindowEnd) {
-		var i=0;
-		while(iterator < myWindowEnd) {
-			i++;
-			
-			empty_array[iterator] = 0;
-			
-			var iteratorDate = new Date(iterator);
-			//$('#debug').append('#'+i+':'+iteratorDate+'<br>');
-			iteratorDate.setDate(iteratorDate.getDate()+1);
-			// very bad bug: infinity loop for summer winter change
-			if(i==750) return empty_array;
-			
-			iterator = iteratorDate.getTime();
-		}
-	}
-	
-	return empty_array
-}
-
 function calcMyWindowStart() {
 	var myWindowStart = new Date(myWindowEnd);
 	
@@ -82,6 +53,8 @@ function getGroupedTimestamp(timestamp) {
 }
 
 function loadChannelList() {
+	
+	
 	$('#debug').append('<a href="../backend/index.php/data/"' + myUUID + '"/channel">json</a>');
 	// load json data
 	$.getJSON("../backend/index.php/data/" + myUUID + {format: 'json'});
@@ -89,6 +62,7 @@ function loadChannelList() {
 }
 
 function autoReload() {
+	
 	// call getData if autoReload checkbox is active
 	if(f.autoReload.checked == true) {
 		myWindowEnd = getGroupedTimestamp((new Date()).getTime());
@@ -97,6 +71,7 @@ function autoReload() {
 }
 
 function moveWindow(mode) {
+	
 	if(mode == 'last')
 		myWindowEnd = (new Date()).getTime();
 	if(mode == 'back') {
@@ -111,28 +86,36 @@ function moveWindow(mode) {
 
 
 function getData() {
+	
 	/*
-	 * if(f.ids.length>0) $('#loading').empty().html('<img
-	 * src="images/ladebild.gif" />');
-	 *  // list of channel ids, comma separated ids_parameter = "";
-	 * 
-	 * if(typeof f.ids.length == 'undefined') { // only one channel
-	 * ids_parameter = f.ids.value; } else { // more than one channel for(i=0;i<f.ids.length;i++) {
-	 * if(f.ids[i].checked == 1) { ids_parameter += f.ids[i].value + ","; } } }
-	 */
+	if(f.ids.length>0)
+ 		$('#loading').empty().html('<img src="images/ladebild.gif" />');
+	
+	// list of channel ids, comma separated
+	ids_parameter = "";
+	
+	if(typeof f.ids.length == 'undefined') {	// only one channel
+		ids_parameter = f.ids.value;
+	}
+	else {	// more than one channel
+		for(i=0;i<f.ids.length;i++) {
+			if(f.ids[i].checked == 1) {
+				ids_parameter += f.ids[i].value + ",";
+			}
+		}
+	}*/
 	
 	// calcMyWindowStart
 	myWindowStart = calcMyWindowStart();
 	
 	$('#debug').append('<a href="../backend/index.php/data/'+myUUID+'/format/json/from/'+myWindowStart+'/to/'+myWindowEnd+'">json</a>');
 	// load json data with given time window
-	// $.getJSON("../backend/index.php/data/" + myUUID +
-	// '/format/json/from/'+myWindowStart+'/to/'+myWindowEnd, function(j){
+	//$.getJSON("../backend/index.php/data/" + myUUID + '/format/json/from/'+myWindowStart+'/to/'+myWindowEnd, function(j){
 	$.getJSON("../backend/index.php/data/" + myUUID + '.json?from='+myWindowStart+'&to='+myWindowEnd, function(j){
 		data = j;
 		$('#debug').empty().append(data.toSource());
 		// then show/reload the chart
-		// if(data.channels.length > 0 && data.channels[0].pulses.length > 0)
+		//if(data.channels.length > 0 && data.channels[0].pulses.length > 0)
 			showChart();
 		$('#loading').empty();
 	});
@@ -141,6 +124,7 @@ function getData() {
 }
 
 function showChart() {
+	
 	var jqData = new Array();
 	var series_chart = new Array();
 	
@@ -183,46 +167,3 @@ function showChart() {
 	chart.replot();
 	
 }
-
-function generateAxisTicks() {
-	var data_grouped_time = getEmptyGroupArray();
-	var ticks = new Array();
-	
-	for(var timestamp in data_grouped_time) {
-		var time = new Date(timestamp*1000);
-		ticks.push(time.getDate()+'.'+(time.getMonth()+1)+'.'+' '+time.getHours()+':00');
-	}
-	
-	return ticks;
-}
-
-function updateTips(t) {
-	tips
-		.text(t)
-		.addClass('ui-state-highlight');
-	setTimeout(function() {
-		tips.removeClass('ui-state-highlight', 1500);
-	}, 500);
-}
-
-
-function checkLength(o,n,min,max) {
-	
-	if ( o.val().length > max || o.val().length < min ) {
-		o.addClass('ui-state-error');
-		updateTips("Length of " + n + " must be between "+min+" and "+max+".");
-		return false;
-	} else {
-		return true;
-	}
-}
-
-function checkRegexp(o,regexp,n) {
-	if ( !( regexp.test( o.val() ) ) ) {
-		o.addClass('ui-state-error');
-		updateTips(n);
-		return false;
-	} else {
-		return true;
-	}
-}
\ No newline at end of file
diff --git a/frontend/javascript/script.js b/frontend/javascript/script.js
index 97b91d0..7483262 100644
--- a/frontend/javascript/script.js
+++ b/frontend/javascript/script.js
@@ -34,6 +34,8 @@ var windowGrouping = 0;
 // mouse position on mousedown (x-axis)
 var moveXstart = 0;
 
+
+
 // executed on document loaded complete
 // this is where it all starts...
 $(document).ready(function() {
@@ -59,9 +61,9 @@ $(document).ready(function() {
 	window.setInterval("autoReload()",5000);
 	
 	// code for adding a channel
-	var uuid = $("#uuid");
-	var allFields = $([]).add(uuid);
-	var tips = $(".validateTips");
+	var 	uuid = $("#uuid"),
+		allFields = $([]).add(uuid),
+		tips = $(".validateTips");
 
 	getData();
-});
\ No newline at end of file
+});