diff -r d334a616c023 -r e16a97fb364a src/cm/media/js/lib/yui/yui3-3.15.0/build/io-upload-iframe/io-upload-iframe-debug.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3-3.15.0/build/io-upload-iframe/io-upload-iframe-debug.js	Mon Mar 10 15:19:48 2014 +0100
@@ -0,0 +1,313 @@
+YUI.add('io-upload-iframe', function (Y, NAME) {
+
+/**
+Extends the IO  to enable file uploads, with HTML forms
+using an iframe as the transport medium.
+@module io
+@submodule io-upload-iframe
+@for IO
+**/
+
+var w = Y.config.win,
+    d = Y.config.doc,
+    _std = (d.documentMode && d.documentMode >= 8),
+    _d = decodeURIComponent,
+    _end = Y.IO.prototype.end;
+
+/**
+ * Creates the iframe transported used in file upload
+ * transactions, and binds the response event handler.
+ *
+ * @method _cFrame
+ * @private
+ * @param {Object} o Transaction object generated by _create().
+ * @param {Object} c Configuration object passed to YUI.io().
+ * @param {Object} io
+ */
+function _cFrame(o, c, io) {
+    var i = Y.Node.create('<iframe src="#" id="io_iframe' + o.id + '" name="io_iframe' + o.id + '" />');
+        i._node.style.position = 'absolute';
+        i._node.style.top = '-1000px';
+        i._node.style.left = '-1000px';
+        Y.one('body').appendChild(i);
+    // Bind the onload handler to the iframe to detect the file upload response.
+    Y.on("load", function() { io._uploadComplete(o, c); }, '#io_iframe' + o.id);
+}
+
+/**
+ * Removes the iframe transport used in the file upload
+ * transaction.
+ *
+ * @method _dFrame
+ * @private
+ * @param {Number} id The transaction ID used in the iframe's creation.
+ */
+function _dFrame(id) {
+	Y.Event.purgeElement('#io_iframe' + id, false);
+	Y.one('body').removeChild(Y.one('#io_iframe' + id));
+	Y.log('The iframe transport for transaction ' + id + ' has been destroyed.', 'info', 'io');
+}
+
+Y.mix(Y.IO.prototype, {
+   /**
+    * Parses the POST data object and creates hidden form elements
+    * for each key-value, and appends them to the HTML form object.
+    * @method _addData
+    * @private
+    * @static
+    * @param {Object} f HTML form object.
+    * @param {String} s The key-value POST data.
+    * @return {Array} o Array of created fields.
+    */
+    _addData: function(f, s) {
+        // Serialize an object into a key-value string using
+        // querystring-stringify-simple.
+        if (Y.Lang.isObject(s)) {
+            s = Y.QueryString.stringify(s);
+        }
+
+        var o = [],
+            m = s.split('='),
+            i, l;
+
+        for (i = 0, l = m.length - 1; i < l; i++) {
+            o[i] = d.createElement('input');
+            o[i].type = 'hidden';
+            o[i].name = _d(m[i].substring(m[i].lastIndexOf('&') + 1));
+            o[i].value = (i + 1 === l) ? _d(m[i + 1]) : _d(m[i + 1].substring(0, (m[i + 1].lastIndexOf('&'))));
+            f.appendChild(o[i]);
+            Y.log('key: ' +  o[i].name + ' and value: ' + o[i].value + ' added as form data.', 'info', 'io');
+        }
+
+        return o;
+    },
+
+   /**
+    * Removes the custom fields created to pass additional POST
+    * data, along with the HTML form fields.
+    * @method _removeData
+    * @private
+    * @static
+    * @param {Object} f HTML form object.
+    * @param {Object} o HTML form fields created from configuration.data.
+    */
+    _removeData: function(f, o) {
+        var i, l;
+
+        for (i = 0, l = o.length; i < l; i++) {
+            f.removeChild(o[i]);
+        }
+    },
+
+   /**
+    * Sets the appropriate attributes and values to the HTML
+    * form, in preparation of a file upload transaction.
+    * @method _setAttrs
+    * @private
+    * @static
+    * @param {Object} f HTML form object.
+    * @param {Object} id The Transaction ID.
+    * @param {Object} uri Qualified path to transaction resource.
+    */
+    _setAttrs: function(f, id, uri) {
+        // Track original HTML form attribute values.
+        this._originalFormAttrs = {
+            action: f.getAttribute('action'),
+            target: f.getAttribute('target')
+        };
+
+        f.setAttribute('action', uri);
+        f.setAttribute('method', 'POST');
+        f.setAttribute('target', 'io_iframe' + id );
+        f.setAttribute(Y.UA.ie && !_std ? 'encoding' : 'enctype', 'multipart/form-data');
+    },
+
+   /**
+    * Reset the HTML form attributes to their original values.
+    * @method _resetAttrs
+    * @private
+    * @static
+    * @param {Object} f HTML form object.
+    * @param {Object} a Object of original attributes.
+    */
+    _resetAttrs: function(f, a) {
+        Y.Object.each(a, function(v, p) {
+            if (v) {
+                f.setAttribute(p, v);
+            }
+            else {
+                f.removeAttribute(p);
+            }
+        });
+    },
+
+   /**
+    * Starts timeout count if the configuration object
+    * has a defined timeout property.
+    *
+    * @method _startUploadTimeout
+    * @private
+    * @static
+    * @param {Object} o Transaction object generated by _create().
+    * @param {Object} c Configuration object passed to YUI.io().
+    */
+    _startUploadTimeout: function(o, c) {
+        var io = this;
+
+        io._timeout[o.id] = w.setTimeout(
+            function() {
+                o.status = 0;
+                o.statusText = 'timeout';
+                io.complete(o, c);
+                io.end(o, c);
+                Y.log('Transaction ' + o.id + ' timeout.', 'info', 'io');
+            }, c.timeout);
+    },
+
+   /**
+    * Clears the timeout interval started by _startUploadTimeout().
+    * @method _clearUploadTimeout
+    * @private
+    * @static
+    * @param {Number} id - Transaction ID.
+    */
+    _clearUploadTimeout: function(id) {
+        var io = this;
+
+        w.clearTimeout(io._timeout[id]);
+        delete io._timeout[id];
+    },
+
+   /**
+    * Bound to the iframe's Load event and processes
+    * the response data.
+    * @method _uploadComplete
+    * @private
+    * @static
+    * @param {Object} o The transaction object
+    * @param {Object} c Configuration object for the transaction.
+    */
+    _uploadComplete: function(o, c) {
+        var io = this,
+            d = Y.one('#io_iframe' + o.id).get('contentWindow.document'),
+            b = d.one('body'),
+            p;
+
+        if (c.timeout) {
+            io._clearUploadTimeout(o.id);
+        }
+
+		try {
+			if (b) {
+				// When a response Content-Type of "text/plain" is used, Firefox and Safari
+				// will wrap the response string with <pre></pre>.
+				p = b.one('pre:first-child');
+				o.c.responseText = p ? p.get('text') : b.get('text');
+				Y.log('The responseText value for transaction ' + o.id + ' is: ' + o.c.responseText + '.', 'info', 'io');
+			}
+			else {
+				o.c.responseXML = d._node;
+				Y.log('The response for transaction ' + o.id + ' is an XML document.', 'info', 'io');
+			}
+		}
+		catch (e) {
+			o.e = "upload failure";
+		}
+
+        io.complete(o, c);
+        io.end(o, c);
+        // The transaction is complete, so call _dFrame to remove
+        // the event listener bound to the iframe transport, and then
+        // destroy the iframe.
+        w.setTimeout( function() { _dFrame(o.id); }, 0);
+    },
+
+   /**
+    * Uploads HTML form data, inclusive of files/attachments,
+    * using the iframe created in _create to facilitate the transaction.
+    * @method _upload
+    * @private
+    * @static
+    * @param {Object} o The transaction object
+    * @param {Object} uri Qualified path to transaction resource.
+    * @param {Object} c Configuration object for the transaction.
+    */
+    _upload: function(o, uri, c) {
+        var io = this,
+            f = (typeof c.form.id === 'string') ? d.getElementById(c.form.id) : c.form.id,
+            fields;
+
+        // Initialize the HTML form properties in case they are
+        // not defined in the HTML form.
+        io._setAttrs(f, o.id, uri);
+        if (c.data) {
+            fields = io._addData(f, c.data);
+        }
+
+        // Start polling if a callback is present and the timeout
+        // property has been defined.
+        if (c.timeout) {
+            io._startUploadTimeout(o, c);
+            Y.log('Transaction timeout started for transaction ' + o.id + '.', 'info', 'io');
+        }
+
+        // Start file upload.
+        f.submit();
+        io.start(o, c);
+        if (c.data) {
+            io._removeData(f, fields);
+        }
+
+        return {
+            id: o.id,
+            abort: function() {
+                o.status = 0;
+                o.statusText = 'abort';
+                if (Y.one('#io_iframe' + o.id)) {
+                    _dFrame(o.id);
+                    io.complete(o, c);
+                    io.end(o, c);
+                    Y.log('Transaction ' + o.id + ' aborted.', 'info', 'io');
+                }
+                else {
+                    Y.log('Attempted to abort transaction ' + o.id + ' but transaction has completed.', 'warn', 'io');
+                    return false;
+                }
+            },
+            isInProgress: function() {
+                return Y.one('#io_iframe' + o.id) ? true : false;
+            },
+            io: io
+        };
+    },
+
+    upload: function(o, uri, c) {
+        _cFrame(o, c, this);
+        return this._upload(o, uri, c);
+    },
+
+    end: function(transaction, config) {
+        var form, io;
+
+        if (config) {
+            form = config.form;
+
+            if (form && form.upload) {
+                io = this;
+
+                // Restore HTML form attributes to their original values.
+                form = (typeof form.id === 'string') ? d.getElementById(form.id) : form.id;
+
+                // Check whether the form still exists before resetting it.
+                if (form) {
+                    io._resetAttrs(form, this._originalFormAttrs);
+                }
+            }
+        }
+
+        return _end.call(this, transaction, config);
+    }
+}, true);
+
+
+}, '@VERSION@', {"requires": ["io-base", "node-base"]});