Wrap image uploading in anonymous function.

apps/contacts/js/contacts.js

@@ -1643,6 +1643,7 @@ $(document).ready(function(){
 		Contacts.UI.Card.saveProperty(this);
 	});
 
+	$(function() {
 		// Upload function for dropped contact photos files. Should go in the Contacts class/object.
 		$.fileUpload = function(files){
 			var file = files[0];
@@ -1690,6 +1691,7 @@ $(document).ready(function(){
 			xhr.setRequestHeader('Content-Type', file.type);
 			xhr.send(file);
 		}
+	});
 
 	$(document).bind('drop dragover', function (e) {
 			e.preventDefault(); // prevent browser from doing anything, if file isn't dropped in dropZone