updated README

README

@@ -1,2 +1,37 @@
-GUI-DAT is a controller library for JavaScript.
-Refer to https://gist.github.com/792496 for basic usage.
+GUI-DAT
+=======
+
+Usage:
+------
+
+    var controllableObject = 
+    	{	
+    		numberProperty: 20,
+    		anotherNumberProperty: 0,
+    		textProperty: "a string",
+    		booleanProperty: false,
+    		functionProperty: function() {
+    			alert("I am a function!");
+    		}
+    	};
+
+    window.onload = function() {
+
+    	GUI.start();
+
+    	// Creates a number box
+    	GUI.add(controllableObject, "numberProperty");
+
+    	// Creates a slider (min, max)
+    	GUI.add(controllableObject, "anotherNumberProperty", -100, 100);
+
+    	// Creates a text field
+    	GUI.add(controllableObject, "textProperty");
+
+    	// Creates a checkbox
+    	GUI.add(controllableObject, "booleanProperty");
+
+    	// Creates a button
+    	GUI.add(controllableObject, "functionProperty");
+
+    }