diff --git a/css/debug.css b/css/debug.css
index 7aeaa36..3b619d4 100644
--- a/css/debug.css
+++ b/css/debug.css
@@ -30,4 +30,14 @@
 
 .agentInfoToggle {
   display: block;
+}
+
+#debug_display { 
+	position: absolute;
+	top: 0;
+	left: 0;
+	display: none;
+	background-color: #fff;
+	opacity: .7;
+	color: #000;
 }
\ No newline at end of file
diff --git a/index.html b/index.html
index 152fe07..b4bb100 100755
--- a/index.html
+++ b/index.html
@@ -78,6 +78,8 @@
   <div id="debug_textArea">
     <textarea rows="5" cols="115" id="textdump"></textarea>
   </div>
+  <div id="debug_display">
+  </div>
   <div id="contentOverlay">
     <div id="settings" class="popup">
       <header>
diff --git a/js/Printer.js b/js/Printer.js
index 3d34f07..362ba8f 100644
--- a/js/Printer.js
+++ b/js/Printer.js
@@ -11,37 +11,45 @@ function setPrintprogress(val) {
 //*/
 
 function Printer() {
-	this.temperature = 0;
-	this.targetTemperature = 0;
-	this.printing;
+	
+	Printer.UNKNOWN_STATE 			= "unknown";
+	Printer.DISCONNECTED_STATE 	= "disconnected";
+	Printer.IDLE_STATE 					= "idle"; 					// printer found, but idle
+	Printer.BUFFERING_STATE 		= "buffering";			// printer is buffering (recieving) data, but not yet printing
+	Printer.PRINTING_STATE 			= "printing";
+	Printer.STOPPING_STATE 			= "stopping";				// when you stop (abort) a print it prints the endcode
+
+	this.temperature 				= 0;
+	this.targetTemperature 	= 0;
+	this.currentLine 				= 0;
+	this.totalLines					= 0;
+	this.bufferedLines			= 0;
+	this.state							= Printer.UNKNOWN_STATE;
+	this.hasControl					= true;	// whether this client has control access 
 	
 	this.wifiboxURL; 
 	
-	this.maxTempLastMod = 7; // max time (seconds) since the last temp info modification before the printer connection is considered lost
-		
-	this.checkTemperatureInterval = 6000;
-	this.checkTemperatureDelay;
-	this.checkProgressInterval = 6000;
-	this.checkProgressDelay;
-	this.timeoutTime = 3000;
+	this.checkStatusInterval 				= 3000;
+	this.checkStatusDelay;
+	this.timeoutTime 								= 3000;
+	this.sendPrintPartTimeoutTime 	= 5000;
 	
 	this.gcode; 											// gcode to be printed
-	this.sendLength = 6000; 					// max amount of gcode lines per post (limited because WiFi box can't handle to much)
+	this.sendLength = 1500; 					// max amount of gcode lines per post (limited because WiFi box can't handle to much)
 
 	this.retryDelay = 2000; 					// retry setTimout delay
 	this.retrySendPrintPartDelay; 		// retry setTimout instance
-	this.retryCheckTemperatureDelay; 	// retry setTimout instance
-	this.retryCheckProgressDelay; 		// retry setTimout instance
+	this.retryCheckStatusDelay; 			// retry setTimout instance
 	this.retryStopDelay;							// retry setTimout instance
 	this.retryPreheatDelay;						// retry setTimout instance
-
-	this.maxGCodeSize = 10;						// max size of gcode in MB's (estimation)
 	
-	this.sendStopGCodeDelay = 1000;
+	this.maxGCodeSize = 10;						// max size of gcode in MB's (estimation)
 	
 	// Events
 	Printer.UPDATE = "update";
 	
+	var self = this;
+	
 	this.init = function() {
     console.log("Printer:init");
 		//this.wifiboxURL = "http://" + window.location.host + "/cgi-bin/d3dapi";
@@ -51,20 +59,17 @@ function Printer() {
     console.log("  wifiboxURL: ",this.wifiboxURL);
     
     if(autoUpdate) {
-	    this.checkTemperature();
-	    this.checkProgress();
+	    this.checkStatus();
     }
  	}
 	
 	this.preheat = function() {
     console.log("Printer:preheat");
-		var postData = { id: 0 };
     var self = this;
     if (communicateWithWifibox) {
 	    $.ajax({
 			  url: this.wifiboxURL + "/printer/heatup",
 			  type: "POST",
-			  data: postData,
 			  dataType: 'json',
 			  timeout: this.timeoutTime,
 			  success: function(data){
@@ -109,8 +114,6 @@ function Printer() {
     this.targetTemperature = settings["printer.temperature"]; // slight hack
     
 		this.sendPrintPart(this.sendIndex, this.sendLength);
-		
-		this.restartIntervals(); // slight hack
 	}
 	this.byteSize = function(s){
 		return~-encodeURI(s).split(/%..|./).length;
@@ -127,7 +130,7 @@ function Printer() {
     }
     var gcodePart = this.gcode.slice(sendIndex, sendIndex+sendLength);
     
-    var postData = { id: 0, gcode: gcodePart.join("\n"), first: firstOne, last: lastOne};
+    var postData = { gcode: gcodePart.join("\n"), first: firstOne, last: lastOne};
     var self = this;
     if (communicateWithWifibox) {
 	    $.ajax({
@@ -135,7 +138,7 @@ function Printer() {
 			  type: "POST",
 			  data: postData,
 			  dataType: 'json',
-			  timeout: this.timeoutTime,
+			  timeout: this.sendPrintPartTimeoutTime,
 			  success: function(data){
 			  	console.log("Printer:sendPrintPart response: ",data);
 			  	
@@ -161,13 +164,11 @@ function Printer() {
 	
 	this.stop = function() {
     console.log("Printer:stop");
-		var postData = { id: 0 }; 
 		var self = this;
 		if (communicateWithWifibox) {
 	    $.ajax({
 			  url: this.wifiboxURL + "/printer/stop",
 			  type: "POST",
-			  data: postData,
 			  dataType: 'json',
 			  timeout: this.timeoutTime,
 			  success: function(data){
@@ -183,94 +184,60 @@ function Printer() {
 		} else {
       console.log ("Printer >> f:communicateWithWifibox() >> communicateWithWifibox is false, so not executing this function");
     }
-		
-		this.restartIntervals(); // slight hack
 	}
 	
-	this.checkTemperature = function() {
-		//console.log("Printer:checkTemperature");
-    var getData = { id: 0 };
+	this.checkStatus = function() {
+		//console.log("Printer:checkStatus");
     var self = this;
     if (communicateWithWifibox) {
       $.ajax({
-        url: this.wifiboxURL + "/printer/temperature",
-        data: getData,
+        url: this.wifiboxURL + "/info/status",
         dataType: 'json',
         timeout: this.timeoutTime,
-        success: function(data){
-          //console.log("Printer:temperature response: ",data);
-          if(data.status == "success") {
-            //console.log("temp: ",response.data.hotend+"/"+response.data.hotend_target+" ("+response.data.last_mod+")");
-            self.temperature = data.data.hotend;
-            if(data.data.hotend_target != undefined) {
-            	if(state == PRINTING_STATE) { // HACK
-            		self.targetTemperature = settings["printer.temperature"];
-            	} else {
-            		self.targetTemperature = data.data.hotend_target;
-            	}
-            }
-            self.alive = (data.data.last_mod < self.maxTempLastMod);
-          } else {
-            self.alive = false;
-          }
-          //console.log("  this.alive: ",self.alive);
-          $(document).trigger(Printer.UPDATE);
-
-          self.checkTemperatureDelay = setTimeout(function() { self.checkTemperature() }, self.checkTemperatureInterval);
+        success: function(response){
+          console.log("Printer:status: ",response.data.state," response: ",response);
+          
+          self.handleStatusUpdate(response);
+          
+          clearTimeout(self.checkStatusDelay);
+          clearTimeout(self.retryCheckStatusDelay);
+          self.checkStatusDelay = setTimeout(function() { self.checkStatus() }, self.checkStatusInterval);
         }
       }).fail(function() {
-          console.log("Printer:checkTemperature: failed");
-          clearTimeout(self.retryCheckTemperatureDelay);
-          self.retryCheckTemperatureDelay = setTimeout(function() { self.checkTemperature() },self.retryDelay); // retry after delay
+          console.log("Printer:checkStatus: failed");
+          self.state = Printer.UNKNOWN_STATE;
+          clearTimeout(self.checkStatusDelay);
+          clearTimeout(self.retryCheckStatusDelay);
+          self.retryCheckStatusDelay = setTimeout(function() { self.checkStatus() },self.retryDelay); // retry after delay
         });
     } else {
-      console.log ("Printer >> f:checkTemperature() >> communicateWithWifibox is false, so not executing this function");
+      console.log ("Printer >> f:checkStatus() >> communicateWithWifibox is false, so not executing this function");
     }
 	}
-	this.checkProgress = function() {
-		//console.log("Printer:checkProgress");
-    var getData = { id: 0 };
-		var self = this;
-    if (communicateWithWifibox) {
-      $.ajax({
-        url: this.wifiboxURL + "/printer/progress",
-        data: getData,
-        dataType: 'json',
-        timeout: this.timeoutTime,
-        success: function(data){
-          if(data.status == "success") {
+	this.handleStatusUpdate = function(response) {
+		var data = response.data;
+		if(response.status != "success") {
+			self.state = Printer.UNKNOWN_STATE;
+		} else {
+			// state
+			self.state 								= data.state;
+			
+			// temperature
+			self.temperature 					= data.hotend;
+			self.targetTemperature 		= data.hotend_target;
+			
+			// progress
+			self.currentLine 					= data.current_line;
+			self.totalLines 					= data.total_lines;
+			self.bufferedLines				= data.buffered_lines
 
-            self.printing = data.data.printing;
-            self.currentLine = data.data.current_line;
-            self.num_lines = data.data.num_lines;
-
-            if(self.printing) {
-              console.log("progress: ",data.data.current_line+"/"+data.data.num_lines+" ("+data.data.last_mod+")");
-            }
-          } else {
-          	self.printing = false;
-          }
-          //console.log("  this.alive: ",self.alive);
-          $(document).trigger(Printer.UPDATE);
-
-          self.checkProgressDelay = setTimeout(function() { self.checkProgress() },self.checkProgressInterval);
-        }
-      }).fail(function() {
-          console.log("Printer:checkProgress: failed");
-          clearTimeout(self.retryCheckProgressDelay);
-          self.retryCheckProgressDelay = setTimeout(function() { self.checkProgress() },self.retryDelay); // retry after delay
-        });
-    } else {
-      console.log ("Printer >> f:checkProgress() >> communicateWithWifibox is false, so not executing this function");
-    }
-	}
-
-	this.restartIntervals = function() {
-		var self = this;
-		clearTimeout(self.checkProgressDelay);
-		self.checkProgressDelay = setTimeout(function() { self.checkProgress() },self.checkProgressInterval);
-		
-		clearTimeout(self.checkTemperatureDelay);
-		self.checkTemperatureDelay = setTimeout(function() { self.checkTemperature() }, self.checkTemperatureInterval);
+			// access
+			self.hasControl						= data.has_control;
+			
+			if(self.state == Printer.PRINTING_STATE || self.state == Printer.STOPPING_STATE) {
+				console.log("progress: ",self.currentLine+"/"+self.totalLines+" ("+self.bufferedLines+") ("+self.state+")");
+			}
+		}
+		$(document).trigger(Printer.UPDATE);
 	}
 }
\ No newline at end of file
diff --git a/js/Thermometer.js b/js/Thermometer.js
index 50e8bf8..f47792d 100644
--- a/js/Thermometer.js
+++ b/js/Thermometer.js
@@ -1,5 +1,3 @@
-var $displayThermometer;
-
 function Thermometer() {
   this.currentTemperature = 0; // default val
   this.targetTemperature = 180; // default val
@@ -13,9 +11,12 @@ function Thermometer() {
   this.$canvas;
   this.canvas;
   this.context;
-
+  this.$container;
+  
   this.isInitted = false;
-
+  
+  this.enabled = true;
+  
   this.thermoColors = [
     [50, 200, 244], // 'cold'
     [244, 190, 10], // 'warming up'
@@ -25,7 +26,7 @@ function Thermometer() {
   this.init = function(targCanvas, targCanvasContainer) {
     console.log("Thermometer.init()");
 
-    $displayThermometer = targCanvasContainer;
+    this.$container = targCanvasContainer;
 
     this.$canvas = targCanvas;
     this.canvas = this.$canvas[0];
@@ -45,6 +46,7 @@ function Thermometer() {
     //      console.log("Thermometer.update(" + curr + "," + targ + ")");
 
     if (this.isInitted) {
+    	if(!this.enabled) return;
       if (curr == undefined) curr = 0;
       if (targ== undefined) targ = 180; // prevent divide by zero
 
@@ -85,7 +87,7 @@ function Thermometer() {
       // rect will be clipped by the thermometer outlines
       this.context.beginPath();
       this.context.rect(20, h - paddingUnder - p, 60, p + paddingUnder);
-      console.log("   currColor: " + currColor);
+      //console.log("   currColor: " + currColor);
       //todo Math.floor??
       this.context.fillStyle = "rgb(" + currColor[0] + "," + currColor[1] + "," + currColor[2] + ")";
       this.context.fill();
@@ -116,4 +118,12 @@ function Thermometer() {
       console.log("Thermometer.setTemperature() -> thermometer not initialized!");
     }
   }
+  this.show = function() {
+  	this.$container.show();
+  	this.enabled = true;
+  }
+  this.hide = function() {
+  	this.$container.hide();
+  	this.enabled = false;
+  }
 }
diff --git a/js/buttonbehaviors.js b/js/buttonbehaviors.js
index 9fbd2f6..c20c24b 100644
--- a/js/buttonbehaviors.js
+++ b/js/buttonbehaviors.js
@@ -12,15 +12,10 @@ var btnOops, btnStop, btnClear;
 var btnMoveUp, btnMoveDown, btnTwistLeft, btnTwistRight;
 var btnInfo, btnSettings;
 var btnDebug; // debug
-var displayTemp, displayProgress;
+var displayProgress;
 
-var displayTempEnabled = false;
-
-var IDLE_STATE = "idle";
-var PRINTING_STATE = "printing";
-
-var state = IDLE_STATE;
-var prevState = state;
+var state;
+var prevState;
 
 function initButtonBehavior() {
   console.log("f:initButtonBehavior >> btnNew = " + btnNew);
@@ -36,7 +31,6 @@ function initButtonBehavior() {
   btnNew = $("#btnNew");
   btnPrint= $("#btnPrint");
   btnStop = $("#btnStop");
-  displayTemp = $("#displayTemp");
   displayProgress = $("#printProgressContainer");
 
 //  btnPrevious = $("#btnPrevious");
@@ -192,7 +186,7 @@ function initButtonBehavior() {
 function stopPrint() {
   console.log("f:stopPrint() >> sendPrintCommands = " + sendPrintCommands);
   if (sendPrintCommands) printer.stop();
-  setState(IDLE_STATE);
+  setState(Printer.STOPPING_STATE);
 }
 
 
@@ -210,7 +204,7 @@ function print(e) {
   $("#textdump").text("");
   if (_points.length > 2) {
 
-    setState(PRINTING_STATE);
+    setState(Printer.BUFFERING_STATE);
     var gcode = generate_gcode();
     //startPrint(gencode);
 
@@ -296,52 +290,61 @@ function previewTwistRight(redrawLess) {
 
 
 function update() {
-	if(!displayTempEnabled && printer.alive) {
-		displayTemp.show();
-    $displayThermometer.show();
-		displayTempEnabled = true;
-	} else if(displayTempEnabled && !printer.alive) {
-		displayTemp.hide();
-    $displayThermometer.hide();
-		displayTempEnabled = false;
-	}
+	setState(printer.state);
 	
-	if(displayTempEnabled) {
-		displayTemp.text(printer.temperature+"/"+printer.targetTemperature);
-    thermometer.update(printer.temperature, printer.targetTemperature);
-	}
-
-  //setPrintprogress(printer.currentLine/printer.num_lines);
-
-	var btnPrint= $("#btnPrint");
-	
-	setState(printer.printing? PRINTING_STATE : IDLE_STATE);
+	thermometer.update(printer.temperature, printer.targetTemperature);
+	//TODO: update progress
 }
 
-
-function setState(newState) {
+function setState(newState) { //TODO add hasControl 
 	if(newState == state) return;
 	
+	console.log("setState: ",state," > ",newState);
+	setDebugText("State: "+newState);
+	
+	// print button
 	switch(newState) {
-		case IDLE_STATE: 
-
+		case Printer.IDLE_STATE:
 			btnPrint.removeClass("disabled"); // enable print button
-			btnStop.addClass("disabled"); // disable stop button
 			btnPrint.bind('touchstart mousedown',print);
-      displayProgress.hide();
-
 			break;
-		case PRINTING_STATE: 
-			
+		default:
 			btnPrint.addClass("disabled"); // disable print button
-			btnStop.removeClass("disabled"); // enable stop button
 			btnPrint.unbind('touchstart mousedown');
-      displayProgress.show();
-
+			break;
+	}
+	
+	// stop button
+	switch(newState) {
+		case Printer.PRINTING_STATE:
+		case Printer.BUFFERING_STATE:
+			btnStop.removeClass("disabled");
+			break;
+		default:
+			btnStop.addClass("disabled");
+			break;
+	}
+	
+	// thermometer
+	switch(newState) {
+		case Printer.UNKNOWN_STATE:
+		case Printer.DISCONNECTED_STATE:
+			thermometer.hide();
+			break;
+		default:
+			thermometer.show();
+			break;
+	}
+	// progress indicator
+	switch(newState) {
+		case Printer.PRINTING_STATE: 
+			displayProgress.show(); // TODO: Show progress
+			break;
+		default:
+			displayProgress.hide(); // TODO: hide progress
 			break;
 	}
 	
 	prevState = state;
 	state = newState;
-	
 }
\ No newline at end of file
diff --git a/js/main.js b/js/main.js
index 0cb08a9..76eefe3 100644
--- a/js/main.js
+++ b/js/main.js
@@ -8,7 +8,7 @@ var printer =  new Printer();
 var thermometer = new Thermometer();
 var settingsWindow = new SettingsWindow();
 
-var firstTimesettingsLoaded = true;
+var firstTimeSettingsLoaded = true;
 
 
 $(function() {
@@ -54,7 +54,9 @@ $(function() {
     $("body").css("overflow", "auto");
     $("#debug_textArea").css("display", "block");
     $("#preview_tmp").css("display", "block");
-
+    
+    $("#debug_display").css("display", "block");
+    
     /* TEMP CODE!! -> artificially populates the startgcode and endgcode textareas in the settings window */
     // todo remove this temporary code...
     /*
@@ -85,9 +87,13 @@ function settingsLoaded() {
 	console.log("settingsLoaded");
 	console.log("autoHeatup: ",settings["printer.heatup.enabled"]);
 	if(settings["printer.heatup.enabled"]) {
-		if(firstTimesettingsLoaded) {
+		if(firstTimeSettingsLoaded) {
 			printer.preheat();
-			firstTimesettingsLoaded = false;
+			firstTimeSettingsLoaded = false;
 		}
 	}
 }
+
+function setDebugText(text) {
+	$("#debug_display").text(text);
+}