Groups examples and some boolean checks corrected

examples/groups/create group.php

@@ -0,0 +1,57 @@
+ 
+ <?php
+    $title = "Calling a function on all children";
+    require('../head.php');
+?>
+
+<script type="text/javascript">
+
+(function () {
+
+    var game = new Phaser.Game(800, 600, Phaser.AUTO, '', { preload: preload, create: create});
+
+     function preload() {
+
+        //  Using Phasers asset loader we load up a PNG from the assets folder
+        game.load.image('sonic', 'assets/sprites/sonic_havok_sanity.png');
+        
+
+    }
+
+    var firstGroup;
+
+    function create() {
+
+        //  Here we'll create a new Group
+        firstGroup = game.add.group();
+
+        //  And add some sprites to it
+        for (var i = 0; i < 10; i++)
+        {
+            //  Create a new sprite at a random screen location
+            var newSprite = new Phaser.Sprite(game, game.stage.randomX, game.stage.randomY, 'sonic');
+
+            //  This set-ups a listener for the event, view your console.log output to see the result
+            newSprite.events.onAddedToGroup.add(logGroupAdd);
+
+            //  Add the sprite to the Group
+            firstGroup.add(newSprite);
+        }
+
+    }
+
+    function logGroupAdd(sprite, group) {
+
+        console.log('Sprite added to Group', group.ID, 'at z-index:', group.getIndex(sprite));
+
+
+
+    }
+
+})();
+
+</script>
+
+<?php
+    require('../foot.php');
+?>