diff -r 000000000000 -r 40c8f766c9b8 src/cm/media/js/lib/yui/yui_3.0.0b1/build/dom/dom-screen-debug.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui_3.0.0b1/build/dom/dom-screen-debug.js	Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,573 @@
+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 3.0.0b1
+build: 1163
+*/
+YUI.add('dom-screen', function(Y) {
+
+(function(Y) {
+
+/**
+ * Adds position and region management functionality to DOM.
+ * @module dom
+ * @submodule dom-screen
+ * @for DOM
+ */
+
+var DOCUMENT_ELEMENT = 'documentElement',
+    COMPAT_MODE = 'compatMode',
+    POSITION = 'position',
+    FIXED = 'fixed',
+    RELATIVE = 'relative',
+    LEFT = 'left',
+    TOP = 'top',
+    _BACK_COMPAT = 'BackCompat',
+    MEDIUM = 'medium',
+    BORDER_LEFT_WIDTH = 'borderLeftWidth',
+    BORDER_TOP_WIDTH = 'borderTopWidth',
+    GET_BOUNDING_CLIENT_RECT = 'getBoundingClientRect',
+    GET_COMPUTED_STYLE = 'getComputedStyle',
+
+    // TODO: how about thead/tbody/tfoot/tr?
+    // TODO: does caption matter?
+    RE_TABLE = /^t(?:able|d|h)$/i;
+
+Y.mix(Y.DOM, {
+    /**
+     * Returns the inner height of the viewport (exludes scrollbar). 
+     * @method winHeight
+     * @return {Number} The current height of the viewport.
+     */
+    winHeight: function(node) {
+        var h = Y.DOM._getWinSize(node).height;
+        Y.log('winHeight returning ' + h, 'info', 'dom-screen');
+        return h;
+    },
+
+    /**
+     * Returns the inner width of the viewport (exludes scrollbar). 
+     * @method winWidth
+     * @return {Number} The current width of the viewport.
+     */
+    winWidth: function(node) {
+        var w = Y.DOM._getWinSize(node).width;
+        Y.log('winWidth returning ' + w, 'info', 'dom-screen');
+        return w;
+    },
+
+    /**
+     * Document height 
+     * @method docHeight
+     * @return {Number} The current height of the document.
+     */
+    docHeight:  function(node) {
+        var h = Y.DOM._getDocSize(node).height;
+        Y.log('docHeight returning ' + h, 'info', 'dom-screen');
+        return Math.max(h, Y.DOM._getWinSize(node).height);
+    },
+
+    /**
+     * Document width 
+     * @method docWidth
+     * @return {Number} The current width of the document.
+     */
+    docWidth:  function(node) {
+        var w = Y.DOM._getDocSize(node).width;
+        Y.log('docWidth returning ' + w, 'info', 'dom-screen');
+        return Math.max(w, Y.DOM._getWinSize(node).width);
+    },
+
+    /**
+     * Amount page has been scroll horizontally 
+     * @method docScrollX
+     * @return {Number} The current amount the screen is scrolled horizontally.
+     */
+    docScrollX: function(node) {
+        var doc = Y.DOM._getDoc(node);
+        return Math.max(doc[DOCUMENT_ELEMENT].scrollLeft, doc.body.scrollLeft);
+    },
+
+    /**
+     * Amount page has been scroll vertically 
+     * @method docScrollY
+     * @return {Number} The current amount the screen is scrolled vertically.
+     */
+    docScrollY:  function(node) {
+        var doc = Y.DOM._getDoc(node);
+        return Math.max(doc[DOCUMENT_ELEMENT].scrollTop, doc.body.scrollTop);
+    },
+
+    /**
+     * Gets the current position of an element based on page coordinates. 
+     * Element must be part of the DOM tree to have page coordinates
+     * (display:none or elements not appended return false).
+     * @method getXY
+     * @param element The target element
+     * @return {Array} The XY position of the element
+
+     TODO: test inDocument/display?
+     */
+    getXY: function() {
+        if (document[DOCUMENT_ELEMENT][GET_BOUNDING_CLIENT_RECT]) {
+            return function(node) {
+                var xy = null,
+                    scrollLeft,
+                    scrollTop,
+                    box,
+                    off1, off2,
+                    bLeft, bTop,
+                    mode,
+                    doc;
+
+                if (node) {
+                    if (Y.DOM.inDoc(node)) {
+                        scrollLeft = Y.DOM.docScrollX(node);
+                        scrollTop = Y.DOM.docScrollY(node);
+                        box = node[GET_BOUNDING_CLIENT_RECT]();
+                        doc = Y.DOM._getDoc(node);
+                        xy = [box.left, box.top];
+
+                            if (Y.UA.ie) {
+                                off1 = 2;
+                                off2 = 2;
+                                mode = doc[COMPAT_MODE];
+                                bLeft = Y.DOM[GET_COMPUTED_STYLE](doc[DOCUMENT_ELEMENT], BORDER_LEFT_WIDTH);
+                                bTop = Y.DOM[GET_COMPUTED_STYLE](doc[DOCUMENT_ELEMENT], BORDER_TOP_WIDTH);
+
+                                if (Y.UA.ie === 6) {
+                                    if (mode !== _BACK_COMPAT) {
+                                        off1 = 0;
+                                        off2 = 0;
+                                    }
+                                }
+                                
+                                if ((mode == _BACK_COMPAT)) {
+                                    if (bLeft !== MEDIUM) {
+                                        off1 = parseInt(bLeft, 10);
+                                    }
+                                    if (bTop !== MEDIUM) {
+                                        off2 = parseInt(bTop, 10);
+                                    }
+                                }
+                                
+                                xy[0] -= off1;
+                                xy[1] -= off2;
+
+                            }
+
+                        if ((scrollTop || scrollLeft)) {
+                            xy[0] += scrollLeft;
+                            xy[1] += scrollTop;
+                        }
+                    } else { // default to current offsets
+                        xy = Y.DOM._getOffset(node);
+                    }
+                }
+                return xy;                   
+            };
+        } else {
+            return function(node) { // manually calculate by crawling up offsetParents
+                //Calculate the Top and Left border sizes (assumes pixels)
+                var xy = null,
+                    parentNode,
+                    bCheck,
+                    scrollTop,
+                    scrollLeft;
+
+                if (node) {
+                    if (Y.DOM.inDoc(node)) {
+                        xy = [node.offsetLeft, node.offsetTop];
+                        parentNode = node;
+                        // TODO: refactor with !! or just falsey
+                        bCheck = ((Y.UA.gecko || Y.UA.webkit > 519) ? true : false);
+
+                        // TODO: worth refactoring for TOP/LEFT only?
+                        while ((parentNode = parentNode.offsetParent)) {
+                            xy[0] += parentNode.offsetLeft;
+                            xy[1] += parentNode.offsetTop;
+                            if (bCheck) {
+                                xy = Y.DOM._calcBorders(parentNode, xy);
+                            }
+                        }
+
+                        // account for any scrolled ancestors
+                        if (Y.DOM.getStyle(node, POSITION) != FIXED) {
+                            parentNode = node;
+
+                            while ((parentNode = parentNode.parentNode)) {
+                                scrollTop = parentNode.scrollTop;
+                                scrollLeft = parentNode.scrollLeft;
+
+                                //Firefox does something funky with borders when overflow is not visible.
+                                if (Y.UA.gecko && (Y.DOM.getStyle(parentNode, 'overflow') !== 'visible')) {
+                                        xy = Y.DOM._calcBorders(parentNode, xy);
+                                }
+                                
+
+                                if (scrollTop || scrollLeft) {
+                                    xy[0] -= scrollLeft;
+                                    xy[1] -= scrollTop;
+                                }
+                            }
+                            xy[0] += Y.DOM.docScrollX(node);
+                            xy[1] += Y.DOM.docScrollY(node);
+
+                        } else {
+                            //Fix FIXED position -- add scrollbars
+                            xy[0] += Y.DOM.docScrollX(node);
+                            xy[1] += Y.DOM.docScrollY(node);
+                        }
+                    } else {
+                        xy = Y.DOM._getOffset(node);
+                    }
+                }
+
+                return xy;                
+            };
+        }
+    }(),// NOTE: Executing for loadtime branching
+
+    _getOffset: function(node) {
+        var pos,
+            xy = null;
+
+        if (node) {
+            pos = Y.DOM.getStyle(node, POSITION);
+            xy = [
+                parseInt(Y.DOM[GET_COMPUTED_STYLE](node, LEFT), 10),
+                parseInt(Y.DOM[GET_COMPUTED_STYLE](node, TOP), 10)
+            ];
+
+            if ( isNaN(xy[0]) ) { // in case of 'auto'
+                xy[0] = parseInt(Y.DOM.getStyle(node, LEFT), 10); // try inline
+                if ( isNaN(xy[0]) ) { // default to offset value
+                    xy[0] = (pos === RELATIVE) ? 0 : node.offsetLeft || 0;
+                }
+            } 
+
+            if ( isNaN(xy[1]) ) { // in case of 'auto'
+                xy[1] = parseInt(Y.DOM.getStyle(node, TOP), 10); // try inline
+                if ( isNaN(xy[1]) ) { // default to offset value
+                    xy[1] = (pos === RELATIVE) ? 0 : node.offsetTop || 0;
+                }
+            } 
+        }
+
+        return xy;
+
+    },
+
+    /**
+     * Gets the current X position of an element based on page coordinates. 
+     * Element must be part of the DOM tree to have page coordinates
+     * (display:none or elements not appended return false).
+     * @method getX
+     * @param element The target element
+     * @return {Int} The X position of the element
+     */
+
+    getX: function(node) {
+        return Y.DOM.getXY(node)[0];
+    },
+
+    /**
+     * Gets the current Y position of an element based on page coordinates. 
+     * Element must be part of the DOM tree to have page coordinates
+     * (display:none or elements not appended return false).
+     * @method getY
+     * @param element The target element
+     * @return {Int} The Y position of the element
+     */
+
+    getY: function(node) {
+        return Y.DOM.getXY(node)[1];
+    },
+
+    /**
+     * Set the position of an html element in page coordinates.
+     * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+     * @method setXY
+     * @param element The target element
+     * @param {Array} xy Contains X & Y values for new position (coordinates are page-based)
+     * @param {Boolean} noRetry By default we try and set the position a second time if the first fails
+     */
+    setXY: function(node, xy, noRetry) {
+        var setStyle = Y.DOM.setStyle,
+            pos,
+            delta,
+            newXY,
+            currentXY;
+
+        if (node && xy) {
+            pos = Y.DOM.getStyle(node, POSITION);
+
+            delta = Y.DOM._getOffset(node);       
+
+            if (pos == 'static') { // default to relative
+                pos = RELATIVE;
+                setStyle(node, POSITION, pos);
+            }
+
+            currentXY = Y.DOM.getXY(node);
+
+            if (xy[0] !== null) {
+                setStyle(node, LEFT, xy[0] - currentXY[0] + delta[0] + 'px');
+            }
+
+            if (xy[1] !== null) {
+                setStyle(node, TOP, xy[1] - currentXY[1] + delta[1] + 'px');
+            }
+
+            if (!noRetry) {
+                newXY = Y.DOM.getXY(node);
+                if (newXY[0] !== xy[0] || newXY[1] !== xy[1]) {
+                    Y.DOM.setXY(node, xy, true); 
+                }
+            }
+          
+            Y.log('setXY setting position to ' + xy, 'info', 'dom-screen');
+        } else {
+            Y.log('setXY failed to set ' + node + ' to ' + xy, 'info', 'dom-screen');
+        }
+    },
+
+    /**
+     * Set the X position of an html element in page coordinates, regardless of how the element is positioned.
+     * The element(s) must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+     * @method setX
+     * @param element The target element
+     * @param {Int} x The X values for new position (coordinates are page-based)
+     */
+    setX: function(node, x) {
+        return Y.DOM.setXY(node, [x, null]);
+    },
+
+    /**
+     * Set the Y position of an html element in page coordinates, regardless of how the element is positioned.
+     * The element(s) must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
+     * @method setY
+     * @param element The target element
+     * @param {Int} y The Y values for new position (coordinates are page-based)
+     */
+    setY: function(node, y) {
+        return Y.DOM.setXY(node, [null, y]);
+    },
+
+    _calcBorders: function(node, xy2) {
+        var t = parseInt(Y.DOM[GET_COMPUTED_STYLE](node, BORDER_TOP_WIDTH), 10) || 0,
+            l = parseInt(Y.DOM[GET_COMPUTED_STYLE](node, BORDER_LEFT_WIDTH), 10) || 0;
+        if (Y.UA.gecko) {
+            if (RE_TABLE.test(node.tagName)) {
+                t = 0;
+                l = 0;
+            }
+        }
+        xy2[0] += l;
+        xy2[1] += t;
+        return xy2;
+    },
+
+    _getWinSize: function(node) {
+        var doc = Y.DOM._getDoc(),
+            win = doc.defaultView || doc.parentWindow,
+            mode = doc[COMPAT_MODE],
+            h = win.innerHeight,
+            w = win.innerWidth,
+            root = doc[DOCUMENT_ELEMENT];
+
+        if ( mode && !Y.UA.opera ) { // IE, Gecko
+            if (mode != 'CSS1Compat') { // Quirks
+                root = doc.body; 
+            }
+            h = root.clientHeight;
+            w = root.clientWidth;
+        }
+        return { height: h, width: w }; 
+    },
+
+    _getDocSize: function(node) {
+        var doc = Y.DOM._getDoc(),
+            root = doc[DOCUMENT_ELEMENT];
+
+        if (doc[COMPAT_MODE] != 'CSS1Compat') {
+            root = doc.body;
+        }
+
+        return { height: root.scrollHeight, width: root.scrollWidth };
+    }
+});
+})(Y);
+(function(Y) {
+var TOP = 'top',
+    RIGHT = 'right',
+    BOTTOM = 'bottom',
+    LEFT = 'left',
+
+    getOffsets = function(r1, r2) {
+        var t = Math.max(r1[TOP], r2[TOP]),
+            r = Math.min(r1[RIGHT], r2[RIGHT]),
+            b = Math.min(r1[BOTTOM], r2[BOTTOM]),
+            l = Math.max(r1[LEFT], r2[LEFT]),
+            ret = {};
+        
+        ret[TOP] = t;
+        ret[RIGHT] = r;
+        ret[BOTTOM] = b;
+        ret[LEFT] = l;
+        return ret;
+    },
+
+    DOM = Y.DOM;
+
+Y.mix(DOM, {
+    /**
+     * Returns an Object literal containing the following about this element: (top, right, bottom, left)
+     * @method region
+     * @param {HTMLElement} element The DOM element. 
+     @return {Object} Object literal containing the following about this element: (top, right, bottom, left)
+     */
+    region: function(node) {
+        var xy = DOM.getXY(node),
+            ret = false;
+        
+        if (node && xy) {
+            ret = DOM._getRegion(
+                xy[1], // top
+                xy[0] + node.offsetWidth, // right
+                xy[1] + node.offsetHeight, // bottom
+                xy[0] // left
+            );
+        }
+
+        return ret;
+    },
+
+    /**
+     * Find the intersect information for the passes nodes.
+     * @method intersect
+     * @param {HTMLElement} element The first element 
+     * @param {HTMLElement | Object} element2 The element or region to check the interect with
+     * @param {Object} altRegion An object literal containing the region for the first element if we already have the data (for performance i.e. DragDrop)
+     @return {Object} Object literal containing the following intersection data: (top, right, bottom, left, area, yoff, xoff, inRegion)
+     */
+    intersect: function(node, node2, altRegion) {
+        var r = altRegion || DOM.region(node), region = {},
+            n = node2,
+            off;
+
+        if (n.tagName) {
+            region = DOM.region(n);
+        } else if (Y.Lang.isObject(node2)) {
+            region = node2;
+        } else {
+            return false;
+        }
+        
+        off = getOffsets(region, r);
+        return {
+            top: off[TOP],
+            right: off[RIGHT],
+            bottom: off[BOTTOM],
+            left: off[LEFT],
+            area: ((off[BOTTOM] - off[TOP]) * (off[RIGHT] - off[LEFT])),
+            yoff: ((off[BOTTOM] - off[TOP])),
+            xoff: (off[RIGHT] - off[LEFT]),
+            inRegion: DOM.inRegion(node, node2, false, altRegion)
+        };
+        
+    },
+    /**
+     * Check if any part of this node is in the passed region
+     * @method inRegion
+     * @param {Object} node2 The node to get the region from or an Object literal of the region
+     * $param {Boolean} all Should all of the node be inside the region
+     * @param {Object} altRegion An object literal containing the region for this node if we already have the data (for performance i.e. DragDrop)
+     * @return {Boolean} True if in region, false if not.
+     */
+    inRegion: function(node, node2, all, altRegion) {
+        var region = {},
+            r = altRegion || DOM.region(node),
+            n = node2,
+            off;
+
+        if (n.tagName) {
+            region = DOM.region(n);
+        } else if (Y.Lang.isObject(node2)) {
+            region = node2;
+        } else {
+            return false;
+        }
+            
+        if (all) {
+            return (
+                r[LEFT]   >= region[LEFT]   &&
+                r[RIGHT]  <= region[RIGHT]  && 
+                r[TOP]    >= region[TOP]    && 
+                r[BOTTOM] <= region[BOTTOM]  );
+        } else {
+            off = getOffsets(region, r);
+            if (off[BOTTOM] >= off[TOP] && off[RIGHT] >= off[LEFT]) {
+                return true;
+            } else {
+                return false;
+            }
+            
+        }
+    },
+
+    /**
+     * Check if any part of this element is in the viewport
+     * @method inViewportRegion
+     * @param {HTMLElement} element The DOM element. 
+     * @param {Boolean} all Should all of the node be inside the region
+     * @param {Object} altRegion An object literal containing the region for this node if we already have the data (for performance i.e. DragDrop)
+     * @return {Boolean} True if in region, false if not.
+     */
+    inViewportRegion: function(node, all, altRegion) {
+        return DOM.inRegion(node, DOM.viewportRegion(node), all, altRegion);
+            
+    },
+
+    _getRegion: function(t, r, b, l) {
+        var region = {};
+
+        region[TOP] = region[1] = t;
+        region[LEFT] = region[0] = l;
+        region[BOTTOM] = b;
+        region[RIGHT] = r;
+        region.width = region[RIGHT] - region[LEFT];
+        region.height = region[BOTTOM] - region[TOP];
+
+        return region;
+    },
+
+    /**
+     * Returns an Object literal containing the following about the visible region of viewport: (top, right, bottom, left)
+     * @method viewportRegion
+     @return {Object} Object literal containing the following about the visible region of the viewport: (top, right, bottom, left)
+     */
+    viewportRegion: function(node) {
+        node = node || Y.config.doc.documentElement;
+        var ret = false,
+            scrollX,
+            scrollY;
+
+        if (node) {
+            scrollX = DOM.docScrollX(node);
+            scrollY = DOM.docScrollY(node);
+
+            ret = DOM._getRegion(scrollY, // top
+                DOM.winWidth(node) + scrollX, // right
+                scrollY + DOM.winHeight(node), // bottom
+                scrollX); // left
+        }
+
+        return ret;
+    }
+});
+})(Y);
+
+
+}, '3.0.0b1' ,{requires:['dom-base', 'dom-style'], skinnable:false});