fixing events on dateinput

added beforeChange event and now trigger change event after value has been set

Author: bradrobertson

src/dateinput/dateinput.js

@@ -283,16 +283,20 @@
 			currDay	 = date.getDate();				
 
 
-			// change
+			// beforChange
 			e = e || $.Event("api");
-			e.type = "change";
+			e.type = "beforeChange";
 
 			fire.trigger(e, [date]); 
 			if (e.isDefaultPrevented()) { return; }
 
 			// formatting			
 			input.val(format(date, conf.format, conf.lang));
 
+      // change
+			e.type = "change";
+			fire.trigger(e);
+              
 			// store value into input
 			input.data("date", date);