Update README.md

README.md

@@ -5,3 +5,38 @@ A window manager experiment written in Javascript, HTML5 and CSS3.
 
 <a href="http://www.rlamana.es/ventus">Try it!</a> (http://www.rlamana.es/ventus)
 
+### Create a new window manager
+
+	var wm = new Ventus.WindowManager();
+
+### Create a new empty window
+
+	var window = wm.createWindow({
+		title: 'A new window',
+		x: 50,
+		y: 50,
+		width: 400,
+		height: 250
+	});
+
+	window.open();
+
+### Create a new window wrapping a DOM Element
+
+##### Using a query
+	wm.createWindow.fromQuery('.my-app-content', {
+		title: 'My App',
+		width: 330,
+		height: 400,
+		x: 670,
+		y: 60
+	});
+
+##### Using a reference
+	wm.createWindow.fromElement(domElement, {
+		title: 'My App',
+		width: 500,
+		height: 500,
+		x: 0,
+		y: 0
+	});