diff --git a/css/d3d_btns.css b/css/d3d_btns.css
index e29816b..6d6b7a9 100644
--- a/css/d3d_btns.css
+++ b/css/d3d_btns.css
@@ -149,7 +149,14 @@ img {
 	-webkit-user-select: none;
 	cursor: hand;
 }
-
+#displayTemp {
+	position: absolute;
+	right: 55px;
+	top: 334px;
+	font-weight: bold;
+	background: white;
+	display:none;
+}
 
 
 
diff --git a/index.html b/index.html
index 15df187..cdcf27d 100755
--- a/index.html
+++ b/index.html
@@ -74,6 +74,7 @@
       <img class="btn" id="btnInfo" src="img/buttons/btnInfo.png">
       <img class="btn" id="btnSettings" src="img/buttons/btnSettings.png">
     </div>
+    <div id="displayTemp"></div>
   </div>
   <div id="drawAreaContainer">
     <canvas id="mycanvas"></canvas>
@@ -126,51 +127,8 @@
 <script src="js/doodlePrintCode.js"></script>
 <script src="js/gcodeGenerating_v01.js"></script>
 <script src="js/init_layout.js"></script>
+<script src="js/Printer.js"></script>
 <!--<script src="js/draw_logic.js"></script>-->
-<script type="text/javascript">
-
-  // not using these at the moment
-  $("#btnPrevious").css("opacity", "0.3");
-  $("#btnNext").css("opacity", "0.3");
-  $("#btnSave").css("opacity", "0.3");
-  $("#btnInfo").css("opacity", "0.3");
-//  $("#btnSettings").css("opacity", "0.3");
-
-//  var debug = true;
-
-  $(function() {
-    console.log("ready");
-    var wifiboxURL = "http://" + window.location.host + "/cgi-bin/d3dapi";
-    console.log("wifibox URL: " + wifiboxURL);
-
-    initLayouting();
-
-    initDoodleDrawing();
-    initPreviewRendering();
-
-    initButtonBehavior();
-
-    initSettingsPopup(wifiboxURL);
-
-    $("#settings .settings").load("settings.html", function() {
-      console.log("finished loading settings.html, now loading settings...");
-      loadSettings();
-    });
-
-    if(debug) {
-      console.log("debug mode");
-      $("body").css("overflow", "auto");
-      $("#debug_textArea").css("display", "block");
-    }
-
-//    $("#mycanvas").css("scale", 0.5);
-
-
-    //debug
-//    generate_gcode();
-
-  })
-
-</script>
+<script src="js/main.js"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/js/Printer.js b/js/Printer.js
new file mode 100644
index 0000000..c42f95c
--- /dev/null
+++ b/js/Printer.js
@@ -0,0 +1,79 @@
+function Printer() {
+	this.temperature = 0;
+	this.targetTemperature = 0;
+	
+	this.wifiboxURL; 
+	
+	this.checkTemperatureIntervalTime = 1000;
+	this.checkTemperatureInterval; 
+	
+	this.maxTempLastMod = 5; // max time (seconds) since the last temp info modification before the printer connection is considered lost
+	
+	// Events
+	Printer.UPDATE = "update";
+	
+	this.init = function() {
+    console.log("Printer:init");
+		//this.wifiboxURL = "http://" + window.location.host + "/cgi-bin/d3dapi";
+		//this.wifiboxURL = "http://192.168.5.1/cgi-bin/d3dapi";
+		this.wifiboxURL = wifiboxURL;
+		//this.wifiboxURL = "proxy5.php";
+    console.log("  wifiboxURL: ",this.wifiboxURL);
+    
+    var self = this;
+    this.checkTemperatureInterval = setInterval(function() { self.checkTemperature(); },this.checkTemperatureIntervalTime);
+ 	}
+	
+	this.preheat = function() {
+    console.log("Printer:preheat");
+		var postData = { id: 0 };
+    $.post( this.wifiboxURL + "/printer/heatup", postData , function(e) {
+      console.log("Printer:preheat response: " + e);
+      
+      if (e.success = true) {
+        console.log("  success");
+      }
+    });
+	}
+	
+	this.stop = function() {
+    console.log("Printer:stop");
+		var postData = { id: 0 };
+    $.post( this.wifiboxURL + "/printer/stop", postData , function(e) {
+      console.log("Printer:stop response: " + e);
+      
+      if (e.success = true) {
+        console.log("  success");
+      }
+    });
+	}
+	
+	this.checkTemperature = function() {
+		//console.log("Printer:checkTemperature");
+		var getData = { id: 0 };
+		var self = this;
+    $.get( this.wifiboxURL + "/printer/temperature", getData , function(e) {
+      //console.log("Printer:temperature response: " + e);
+
+      if (e.success = true) {
+	      var response = jQuery.parseJSON(e);
+  	    //console.log("response: ",response);  
+	      
+	      if(response.status == "success") {
+	      	//console.log("temp: ",response.data.hotend+"/"+response.data.hotend_target+" ("+response.data.last_mod+")");
+	      	
+	      	self.temperature = response.data.hotend;
+	      	if(response.data.hotend_target != undefined) {
+	      		self.targetTemperature = response.data.hotend_target;
+	      	}
+	      	
+	      	self.alive = (response.data.last_mod < self.maxTempLastMod);
+        } else {
+        	self.alive = false;
+        }
+        //console.log("  this.alive: ",self.alive);
+        $(document).trigger(Printer.UPDATE);
+      }
+    });
+	}
+}
\ No newline at end of file
diff --git a/js/buttonbehaviors.js b/js/buttonbehaviors.js
index bdbe429..9c40981 100644
--- a/js/buttonbehaviors.js
+++ b/js/buttonbehaviors.js
@@ -13,6 +13,8 @@ var btnMoveUp, btnMoveDown, btnTwistLeft, btnTwistRight;
 var btnInfo, btnSettings;
 var btnDebug; // debug
 
+var displayTempEnabled = false;
+
 function initButtonBehavior() {
   console.log("f:initButtonBehavior >> btnNew = " + btnNew);
 
@@ -25,6 +27,8 @@ function initButtonBehavior() {
   btnInfo = $("#btnInfo");
   btnSettings = $("#btnSettings");
 //  btnPrint= $("#btnPrint");
+  btnStop = $("#btnStop");
+  displayTemp = $("#displayTemp");
 
 //  btnPrevious = $("#btnPrevious");
 //  btnNext = $("#btnNext");
@@ -202,6 +206,10 @@ function initButtonBehavior() {
     $(".agentInfo").toggleClass("agentInfoToggle");
     e.preventDefault();
   })
+  
+  btnStop.click(function(e) {
+    printer.stop()
+  });
 }
 
 
@@ -290,4 +298,20 @@ function previewTwistRight() {
   rStep += twistIncrement;
   //        }
   redrawPreview();
+}
+
+
+
+function updatePrinterInfo() {
+	if(!displayTempEnabled && printer.alive) {
+		displayTemp.show();
+		displayTempEnabled = true;
+	} else if(displayTempEnabled && !printer.alive) {
+		displayTemp.hide();
+		displayTempEnabled = false;
+	}
+	
+	if(displayTempEnabled) {
+		displayTemp.text(printer.temperature+"/"+printer.targetTemperature);
+	}
 }
\ No newline at end of file
diff --git a/js/gcodeGenerating_v01.js b/js/gcodeGenerating_v01.js
index 82c68be..3661137 100755
--- a/js/gcodeGenerating_v01.js
+++ b/js/gcodeGenerating_v01.js
@@ -121,6 +121,8 @@ function generate_gcode(callback) {
         var sublayer = (layer == 0) ? 0.0 : layer + (useSubLayers ? (curLayerCommand/totalLayerCommands) : 0);
         var z = (sublayer + 1) * settings["printer.layerHeight"] + zOffset;
 
+				// TODO if (z > layerheight*2) do M106 (enable fan)
+
         var isTraveling = !isLoop && i==0;
         var doRetract = prev.distance(to) > retractionminDistance;
 
diff --git a/js/main.js b/js/main.js
new file mode 100644
index 0000000..49cb854
--- /dev/null
+++ b/js/main.js
@@ -0,0 +1,51 @@
+// not using these at the moment
+$("#btnPrevious").css("opacity", "0.3");
+$("#btnNext").css("opacity", "0.3");
+$("#btnSave").css("opacity", "0.3");
+$("#btnInfo").css("opacity", "0.3");
+//$("#btnSettings").css("opacity", "0.3");
+
+//  var debug = true;
+
+var printer =  new Printer(); 
+var updateTemperatureInterval; 
+
+$(function() {
+  console.log("ready");
+  //var wifiboxURL = "http://" + window.location.host + "/cgi-bin/d3dapi";
+  var wifiboxURL = "http://192.168.5.1/cgi-bin/d3dapi";
+  console.log("wifibox URL: " + wifiboxURL);
+  
+  initLayouting();
+
+  initDoodleDrawing();
+  initPreviewRendering();
+
+  initButtonBehavior();
+
+  initSettingsPopup(wifiboxURL);
+
+  $("#settings .settings").load("settings.html", function() {
+    console.log("finished loading settings.html, now loading settings...");
+    loadSettings();
+  });
+
+  if(debug) {
+    console.log("debug mode");
+    $("body").css("overflow", "auto");
+    $("#debug_textArea").css("display", "block");
+  }
+
+	printer.init();
+	printer.preheat();
+	
+	$(document).on(Printer.UPDATE,updatePrinterInfo);
+//    $("#mycanvas").css("scale", 0.5);
+
+
+	
+
+  //debug
+//    generate_gcode();
+
+})
\ No newline at end of file
diff --git a/js/settings.js b/js/settings.js
index 919468e..a863b16 100644
--- a/js/settings.js
+++ b/js/settings.js
@@ -185,5 +185,5 @@ var windowbounds = [0, 0, 800, 500];
 var windowcenter = true;
 var windowfullscreen = false;
 var autoWarmUpCommand = "M104 S230";
-var checkTemperatureInterval = 3;
+//var checkTemperatureInterval = 3;
 var autoWarmUpDelay = 3;
diff --git a/proxy.php b/proxy.php
new file mode 100644
index 0000000..2d78f74
--- /dev/null
+++ b/proxy.php
@@ -0,0 +1,36 @@
+<?php
+
+/*$url = $_GET['url'];
+if ( !$url ) {
+  $url = $_POST['url'];
+}*/
+$target_url = "http://192.168.5.1/cgi-bin/d3dapi/";
+$target_api = str_replace("/proxy5.php/","",$_SERVER["REQUEST_URI"]);
+$target_url .= $target_api;
+//echo "target_url: ".$target_url;
+
+$postdata = file_get_contents("php://input");
+$ok = true;
+
+$c = curl_init();
+curl_setopt($c, CURLOPT_HTTPHEADER, array('Content-Type' => 'application/xml'));
+curl_setopt($c, CURLOPT_URL, $target_url);
+curl_setopt($c, CURLOPT_POST, true);
+curl_setopt($c, CURLOPT_POSTFIELDS,$postdata);
+$result = curl_exec ($c);
+curl_close ($c);
+if(!
+$result)
+{
+  $ok = false;
+  $error = "Failed to forward HTTP request to: {$target_url}\r\n" . var_export(error_get_last(),true) . "\r\n{$postdata}";
+  error_log($error);
+  error_log($error, 1, "my-email-address@my-test-domain.com");
+}
+
+if(!
+$ok)
+  header('HTTP/1.1 500 Internal Server Error');
+else
+  header('HTTP/1.1 200 OK');
+?>
\ No newline at end of file