Added pubsub events for Kalendae.Input showing and hiding when the in…

…put gains and loses focus

Closes Issue #59

build/kalendae.js

@@ -879,11 +879,13 @@ Kalendae.Input.prototype = util.merge(Kalendae.prototype, {
 		}
 
 		style.position = util.isFixed($input) ? 'fixed' : 'absolute';
-
+
+		this.publish('show', this);
 	},
 
 	hide : function () {
 		this.container.style.display = 'none';
+		this.publish('hide', this);
 	}
 
 });

readme.md

@@ -214,6 +214,12 @@ Kalendae offers the following events:
 
 - `view-changed` - Fires when the user has clicked the next or previous month button, but before the calendar is redrawn.  Returning false will prevent the change.
 
+Additionally, Kalendae.Input provides the following events:
+
+- `show` - Fires when the calendar appears due to the input gaining focus
+
+- `hide` - Fires when the calendar hides due to the input blurring
+
 
 ##Skinning Kalendae
 

src/input.js

@@ -120,11 +120,13 @@ Kalendae.Input.prototype = util.merge(Kalendae.prototype, {
 		}
 
 		style.position = util.isFixed($input) ? 'fixed' : 'absolute';
-
+
+		this.publish('show', this);
 	},
 
 	hide : function () {
 		this.container.style.display = 'none';
+		this.publish('hide', this);
 	}
 
 });