add: * @static 
context: YAHOO.widget.TVAnim = function() {    return {        /**         * Constant for the fade in animation         *          * @type string         */        FADE_IN: "TVFadeIn",        /**         * Constant for the fade out animation         *          * @type string         */        FADE_OUT: "TVFadeOut",        /**         * Returns a ygAnim instance of the given type         *         * @param type {string} the type of animation         * @param el {HTMLElement} the element to element (probably the children div)         * @param callback {function} function to invoke when the animation is done.         * @return {YAHOO.util.Animation} the animation instance         */        getAnim: function(type, el, callback) {            if (YAHOO.widget[type]) {                return new YAHOO.widget[type](el, callback);            } else {                return null;            }        },        /**         * Returns true if the specified animation class is available         *         * @param type {string} the type of animation         * @return {boolean} true if valid, false if not         */        isValid: function(type) {            return (YAHOO.widget[type]);        }    };} ();
meta: 4707	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4707/50c3492c4c3c825dbd3401e134a19ed46799c456/treeview.js/buggy/www/resources/yui/treeview/treeview.js