diff --git a/controllers/controller.number.js b/controllers/controller.number.js
index 235e24a..da8b201 100644
--- a/controllers/controller.number.js
+++ b/controllers/controller.number.js
@@ -18,6 +18,8 @@ var NumberController = function() {
     var max = arguments[4];
     var step = arguments[5];
     
+    console.log("NumberController", this.propertyName, arguments);
+    
     if (!step) {
     	if (min != undefined && max != undefined) {
     		step = (max-min)*0.01;
@@ -28,8 +30,6 @@ var NumberController = function() {
     
     var numberField = document.createElement('input');
     numberField.setAttribute('id', this.propertyName);
-    
-    // Little up and down arrows are pissing me off.
     numberField.setAttribute('type', 'text');
     numberField.setAttribute('value', this.getValue());
     
@@ -47,7 +47,7 @@ var NumberController = function() {
     numberField.addEventListener('blur', function(e) {
         var val = parseFloat(this.value);
         if (!isNaN(val)) {
-	        _this.updateValue(val);
+	        _this.updateDisplay();
         } else { 
         	this.value = _this.getValue();
         }
diff --git a/demo/demo.js b/demo/demo.js
index 5bea7e1..62eca6e 100644
--- a/demo/demo.js
+++ b/demo/demo.js
@@ -47,6 +47,7 @@ function FizzyText(message) {
 	var textAscent = 82;
     var textOffsetLeft = 80;
 	var noiseScale = 300;
+	var frameTime = 30;
 	
     var colors = ["#00aeff", "#0fa954", "#54396e", "#e61d5f"];
 	
@@ -146,8 +147,16 @@ function FizzyText(message) {
 	// the createBitmap function.
 	this.message = message;
 	
+	var loop = function() {
+		// Don't render if we don't see it.
+		// Would be cleaner if I dynamically acquired the top of the canvas.
+		if (document.body.scrollTop < height + 20) {
+			render();
+		}
+	}
+	
 	// This calls the render function every 30 milliseconds.
-	setInterval(render, 30);
+	setInterval(loop, frameTime);
 
 	// This class is responsible for drawing and moving those little
 	// colored dots.
@@ -196,7 +205,7 @@ function FizzyText(message) {
             this.x += Math.cos(angle) * _this.speed + this.vx;
             this.y += -Math.sin(angle) * _this.speed + this.vy;
             
-            this.r = constrain(this.r, 0, _this.maxSize);
+            this.r = GUI.constrain(this.r, 0, _this.maxSize);
             
             // If we're tiny, keep moving around until we find a black
             // pixel.
@@ -215,10 +224,5 @@ function FizzyText(message) {
         
     }
 
-    var constrain = function (v, o1, o2) {
-        if (v < o1) v = o1;
-        else if (v > o2) v = o2;
-        return v;
-    }
 
 }
diff --git a/gui.css b/gui.css
index d035320..ba8ec75 100644
--- a/gui.css
+++ b/gui.css
@@ -1,34 +1,43 @@
 #guidat { 
+position: fixed;
+top: 0; 
+left: 0;
+width: 100%;
+z-index: 1001;
+text-align: right;
+}
+
+.guidat { 
 	color: #fff;
-	position: fixed;
-	width: 280px;
-	z-index: 200;
 	opacity: 0.97;
-	top: 0;
-	left: 100%;
-	margin-left: -300px;
+	text-align: left;
+	float: right;
+	margin-right: 20px;
+	margin-bottom: 20px;
 	background-color: #fff;
 	-webkit-box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.3);
 	-moz-box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.3);
 	box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.3);
 }
 
-#guidat,
-#guidat input { 
+.guidat,
+.guidat input { 
 	font: 9.5px Lucida Grande, sans-serif;
 }
 
-#guidat-controllers { 
+.guidat-controllers { 
 	height: 300px;
 	overflow-y: auto;
 	overflow-x: hidden;
 	background-color: rgba(0,0,0,0.1);
+	/*
 	-moz-transition: height .2s ease-out;
 	-webkit-transition: height .2s ease-out;
 	transition: height .2s ease-out;
+	*/
 }
 
-#guidat-toggle { 
+a.guidat-toggle { 
 	text-decoration: none;
 	cursor: pointer;
 	color: #fff;
@@ -39,7 +48,7 @@
 
 }
 
-#guidat-toggle:hover { 
+a.guidat-toggle:hover { 
 	background-color: #000;
 }
 
@@ -112,7 +121,7 @@ width: 148px;
 	color: #00aeff;
 }
 
-#guidat .guidat-controller.boolean input { 
+.guidat .guidat-controller.boolean input { 
 	margin-top: 6px;
 	margin-right: 2px;
 	font-size: 20px;
diff --git a/gui.js b/gui.js
index 14ffc15..87603b5 100644
--- a/gui.js
+++ b/gui.js
@@ -2,40 +2,178 @@ var GUI = function() {
 
 	var _this = this;
 	
+	var MIN_WIDTH = 200;
+	var MAX_WIDTH = 500;
+	
 	var controllers = [];
 	var listening = [];
 	
 	var autoListen = true;
+	
 	var listenInterval;
 	
-	var _this = this, open = false,
-	controllers = [], controllersWatched = [];
+	
+	// Sum total of heights of controllers in this gui
+	var controllerHeight;
+	
+	var curControllerContainerHeight = 0;
+	
+	// How big we get when we open
+	var openHeight;
+	
+	var _this = this, open = false;
+	
+	var name;
+	var width = 280;
+	
+	var resizeTo = 0;
+	var resizeTimeout;
 	
 	this.domElement = document.createElement('div');
-	this.domElement.setAttribute('id', 'guidat');
+	this.domElement.setAttribute('class', 'guidat');
+	this.domElement.style.width = width+'px'
 
-	controllerContainer = document.createElement('div');
-	controllerContainer.setAttribute('id', 'guidat-controllers');
+	var controllerContainer = document.createElement('div');
+	controllerContainer.setAttribute('class', 'guidat-controllers');
 	
-	// @doob 
-	// I think this is way more elegant than the negative margin.
-	// Only wish we didn't have to see the scrollbar on its way open.
-	// Any thoughts?
 	controllerContainer.style.height = '0px';
 
-	toggleButton = document.createElement('a');
-	toggleButton.setAttribute('id', 'guidat-toggle');
+	var toggleButton = document.createElement('a');
+	toggleButton.setAttribute('class', 'guidat-toggle');
 	toggleButton.setAttribute('href', '#');
 	toggleButton.innerHTML = "Show Controls";
-	toggleButton.addEventListener('click', function(e) {
-		_this.toggle();
-		e.preventDefault();
-	}, false);
+	
+	var toggleDragged = false;
+	var dragDisplacementY = 0;
+	var togglePressed = false;
+	
+	var my, pmy, mx, pmx;
+	
+	var resize = function(e) {
+	if (!open) { 
+		open = true;
+		curControllerContainerHeight = openHeight = 0;
+	}
+		pmy = my;
+		pmx = mx;
+		my = e.pageY;
+		mx = e.pageX;
+		
+		var dmy = my - pmy;
+		// TODO: Flip this if you want to resize to the left.
+		var dmx = pmx - mx;
+		
+		if (dmy > 0 && 
+			curControllerContainerHeight > controllerHeight) {
+			var d = GUI.map(curControllerContainerHeight, controllerHeight, controllerHeight + 100, 1, 0);
+			dmy *= Math.pow(d, 1.5);
 
+		}
+		toggleDragged = true;
+		dragDisplacementY += dmy;
+		dragDisplacementX += dmx;
+		openHeight += dmy;
+		width += dmx;
+		curControllerContainerHeight += dmy;
+		controllerContainer.style.height = openHeight+'px';
+		width = GUI.constrain(width, MIN_WIDTH, MAX_WIDTH);
+		_this.domElement.style.width = width+'px';
+		checkForOverflow();
+	};
+	
+	toggleButton.addEventListener('mousedown', function(e) {
+		pmy = my = e.pageY;
+		pmx = mx = e.pageX;
+		togglePressed = true;
+		e.preventDefault();
+		dragDisplacementY = 0;
+		dragDisplacementX = 0;
+		document.addEventListener('mousemove', resize, false);
+		return false;
+
+	}, false);
+	
+	
+	toggleButton.addEventListener('click', function(e) {
+		e.preventDefault();
+		return false;
+	}, false);
+	
+	
+	document.addEventListener('mouseup', function(e) {
+		
+		
+		if (togglePressed && !toggleDragged) {
+			
+			_this.toggle();
+
+			// Clears lingering slider column
+			_this.domElement.style.width = (width+1)+'px';
+			setTimeout(function() {
+				_this.domElement.style.width = width+'px';
+			}, 1);
+		}
+		
+		if (togglePressed && toggleDragged) {
+		
+			if (dragDisplacementX == 0) {
+			
+				// Clears lingering slider column
+				_this.domElement.style.width = (width+1)+'px';
+				setTimeout(function() {
+					_this.domElement.style.width = width+'px';
+				}, 1);
+	
+			}
+		
+			if (openHeight > controllerHeight) {
+			
+				clearTimeout(resizeTimeout);
+				openHeight = resizeTo = controllerHeight;
+				beginResize();
+				
+			} else if (controllerContainer.children.length >= 1) {
+
+				var singleControllerHeight = controllerContainer.children[0].offsetHeight;			
+				clearTimeout(resizeTimeout);
+				var target = Math.round(curControllerContainerHeight/singleControllerHeight)*singleControllerHeight-1;
+				resizeTo = target;
+				if (resizeTo <= 0) {
+					_this.hide();
+					openHeight = singleControllerHeight*2;
+					console.log("HIDING, wTF");
+				} else { 
+					openHeight = resizeTo;		
+					beginResize();			
+				}
+			}
+			
+			
+			
+		}
+		
+		
+		document.removeEventListener('mousemove', resize, false);
+		e.preventDefault();
+		toggleDragged = false;
+		togglePressed = false;
+		
+		return false;
+
+	}, false);
+	
 	this.domElement.appendChild(controllerContainer);
 	this.domElement.appendChild(toggleButton);
 
-	
+	if (GUI.autoPlace) {
+		if(GUI.autoPlaceContainer == null) {
+			GUI.autoPlaceContainer = document.createElement('div');
+			GUI.autoPlaceContainer.setAttribute("id", "guidat");
+			document.body.appendChild(GUI.autoPlaceContainer);
+		}
+		GUI.autoPlaceContainer.appendChild(this.domElement);
+	}
+
 	this.autoListenIntervalTime = 1000/60;
 
 	var createListenInterval = function() {
@@ -70,7 +208,6 @@ var GUI = function() {
 	};
 	
 	this.listen = function(whoToListenTo) {
-		
 		var arr = whoToListenTo || listening;
 		for (var i in arr) {
 			arr[i].updateDisplay();
@@ -100,11 +237,6 @@ var GUI = function() {
 		return false;
 	};
 
-	var error = function(str) {
-		if (typeof console.log == 'function') {
-			console.error("[GUI ERROR] " + str);
-		}
-	};
 
 	var construct = function(constructor, args) {
 		function F() {
@@ -121,15 +253,15 @@ var GUI = function() {
 
 		// Have we already added this?
 		if (alreadyControlled(object, propertyName)) {
-			error("Controller for \"" + propertyName+"\" already added.");
-			return;
+		//	GUI.error("Controller for \"" + propertyName+"\" already added.");
+		//	return;
 		}
 
 		var value = object[propertyName];
 
 		// Does this value exist? Is it accessible?
 		if (value == undefined) {
-			error(object + " either has no property \""+propertyName+"\", or the property is inaccessible.");
+			GUI.error(object + " either has no property \""+propertyName+"\", or the property is inaccessible.");
 			return;
 		}
 
@@ -138,11 +270,11 @@ var GUI = function() {
 
 		// Do we know how to deal with this data type?
 		if (handler == undefined) {
-			error("Cannot create controller for data type \""+type+"\"");
+			GUI.error("Cannot create controller for data type \""+type+"\"");
 			return;
 		}
 	
-		var args = [_this]; // Set first arg (parent) to this 
+		var args = [this]; // Set first arg (parent) to this 
 		for (var j = 0; j < arguments.length; j++) {
 			args.push(arguments[j]);
 		}
@@ -151,7 +283,7 @@ var GUI = function() {
 		
 		// Were we able to make the controller?
 		if (!controllerObject) {
-			error("Error creating controller for \""+propertyName+"\".");
+			GUI.error("Error creating controller for \""+propertyName+"\".");
 			return;
 		}
 
@@ -159,10 +291,30 @@ var GUI = function() {
 		controllerContainer.appendChild(controllerObject.domElement);
 		controllers.push(controllerObject);
 
+		// Compute sum height of controllers.
+		controllerHeight = 0;
+		for (var i in controllers) {
+			controllerHeight += controllers[i].domElement.offsetHeight;
+		}
+
+		openHeight = controllerHeight;
+		
+		checkForOverflow();
+
+
+
 		return controllerObject;
 		
 	}
 	
+	var checkForOverflow = function() {
+		if (controllerHeight - 1 > openHeight) {
+			controllerContainer.style.overflowY = "auto";
+		} else {
+			controllerContainer.style.overflowY = "hidden";
+		}	
+	}
+	
 	var addHandlers = {
 		"number": NumberController,
 		"string": StringController,
@@ -180,12 +332,6 @@ var GUI = function() {
 		return false;
 	};
 	
-	var error = function(str) {
-		if (typeof console.log == 'function') {
-			console.error("[GUI ERROR] " + str);
-		}
-	};
-	
 	var construct = function(constructor, args) {
         function F() {
             return constructor.apply(this, args);
@@ -203,19 +349,43 @@ var GUI = function() {
 	};
 
 	this.show = function() {
-		controllerContainer.style.height = '300px';
-		toggleButton.innerHTML = "Hide Controls";
+		toggleButton.innerHTML = name || "Hide Controls";
+		resizeTo = openHeight;
+		clearTimeout(resizeTimeout);
+		beginResize();
 		open = true;
 	}
 
 	this.hide = function() {
-		controllerContainer.style.height = '0px';
-		toggleButton.innerHTML = "Show Controls";
+		toggleButton.innerHTML = name || "Show Controls";
+		resizeTo = 0;
+		clearTimeout(resizeTimeout);
+		beginResize();
 		open = false;
 	}
+	
+	this.name = function(n) {
+		name = n;
+		toggleButton.innerHTML = n;
+	}
+	
+	var beginResize = function() {
+		//console.log("Resizing from " + curControllerContainerHeight + " to " + resizeTo);
+		curControllerContainerHeight += (resizeTo - curControllerContainerHeight)*0.6;
+		if (Math.abs(curControllerContainerHeight-resizeTo) < 1) {
+			curControllerContainerHeight = resizeTo;
+		} else { 
+			resizeTimeout = setTimeout(beginResize, 1000/30);
+		}
+		controllerContainer.style.height = Math.round(curControllerContainerHeight)+'px';
+		
+	}
 
 };
 
+GUI.autoPlace = true;
+GUI.autoPlaceContainer = null;
+
 // Util functions
 
 GUI.makeUnselectable = function(elem) {
@@ -234,7 +404,18 @@ GUI.makeSelectable = function(elem) {
 
 GUI.map = function(v, i1, i2, o1, o2) {
 	var v = o1 + (o2 - o1) * ((v - i1) / (i2 - i1));
+	return v;
+}
+
+GUI.constrain = function (v, o1, o2) {
 	if (v < o1) v = o1;
 	else if (v > o2) v = o2;
 	return v;
 }
+
+GUI.error = function(str) {
+	if (typeof console.log == 'function') {
+		console.GUI.error("[GUI ERROR] " + str);
+	}
+};
+
diff --git a/index.html b/index.html
index 640ed6f..86be472 100644
--- a/index.html
+++ b/index.html
@@ -26,7 +26,6 @@
 			var fizzyText = new FizzyText("gui-dat");
 
 			var gui = new GUI();
-			document.body.appendChild( gui.domElement );
 
 			// Text field
 			gui.add(fizzyText, "message");
@@ -72,7 +71,6 @@ window.onload = function() {
    var fizzyText = new <a href="demo/demo.js">FizzyText</a>(&quot;gui-dat&quot;);
 
    var gui = new GUI();
-   document.body.appendChild( gui.domElement );
 
    // Text field
    gui.add(fizzyText, &quot;message&quot;);
@@ -108,13 +106,13 @@ window.onload = function() {
 <hr/>
     	<h2>Listen for variable changes <em>outside</em> of the GUI</h2>
     	<p>Let's say you have a variable that changes by itself from time to time. If you'd like the GUI to reflect those changes, use the <code>listen()</code> method.</p>
-    	<pre class="prettyprint">gui.add(obj, "propName").listen();</pre>
+    	<pre class="prettyprint">gui.add(obj, "changingProperty").listen();</pre>
     	<hr/>
     	<h2>Advanced listening</h2>
 		<p>By default, <strong>gui-dat</strong> will create an internal interval that checks for changes in the values you've marked with <code>listen()</code>. If you'd like to check for these changes in an interval of your own definition, use the following:
 <pre class="prettyprint">
 gui.autoListen = false; // disables internal interval
-gui.add(obj, "propName").listen();
+gui.add(obj, "changingProperty").listen();
 
 // Make your own loop
 setInterval(function() {
@@ -133,6 +131,39 @@ setInterval(function() {
 	gui.listenAll(); // updates ALL values managed by this gui
 }, 1000 / 60);
 </pre>
+<hr/>
+<h2>Multiple panels and custom placement</h2>
+<p>You can instantiate multiple <code>GUI</code> objects and name them however you'd like.</p>
+<pre class="prettyprint">
+var gui1 = new GUI();
+var gui2 = new GUI();
+
+// The name function overwrites the "Show Controls" text.
+gui1.name("Utilities");
+gui2.name("Camera Placement");
+</pre>
+<p>By default, <strong>gui-dat</strong> panels will be automatically added to the HTML document and fixed to the top of the screen. You can disable this behavior / styling and append the gui DOM element to a container of your choosing.</p>
+<pre class="prettyprint">// Notice this belongs to the GUI class (uppercase) 
+// and not an instance thereof.
+GUI.autoPlace = false; 
+
+var gui = new GUI();
+
+// Do some custom styles ...
+gui.domElement.style.position = "absolute";
+gui.domElement.style.top = "20px";
+gui.domElement.style.left = "20px";
+
+document.getElementById("my-gui-container").appendChild( gui.domElement );
+</pre>
+<!--
+<hr/>
+<h2>Secrets</h2>
+<ol id="secrets">
+<strong>gui-dat</strong> panels are resizeable. <br/>
+Press H to make panels invisible.
+</ol>
+-->
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             Initiated by <a href="http://georgemichaelbrower.com/">George Michael Brower</a> and <a href="http://jonobr1.com/">Jono Brandel</a> of the Data Arts Team, Google Creative Lab.
         </footer>