14   remove: function(element) {  argument
18   add: function(element) {  argument
55   isContained: function(element, drop) {  argument
65   isAffected: function(point, element, drop) {  argument
88   show: function(point, element) {  argument
110   fire: function(event, element) {  argument
202   removeObserver: function(element) {  // element instead of observer fixes mem leaks  argument
227   initialize: function(element) {  argument
230       reverteffect: function(element, top_offset, left_offset) {  argument
236       endeffect: function(element) {  argument
257         starteffect: function(element) {  argument
576   initialize: function(element, observer) {  argument
598   _findRootElement: function(element) {  argument
605   options: function(element) {  argument
611   destroy: function(element){  argument
624   create: function(element) {  argument
742   findElements: function(element, options) {  argument
747   findTreeElements: function(element, options) {  argument
752   onHover: function(element, dropon, overlap) {  argument
781   onEmptyHover: function(element, dropon, overlap) {  argument
841   _tree: function(element, options, parent) {  argument
851         element: element,  property in Sortable._tree.child
868   tree: function(element) {  argument
899   sequence: function(element) {  argument
908   setSequence: function(element, new_sequence) {  argument
928   serialize: function(element) {  argument
948 Element.isParent = function(child, element) {  argument
954 Element.findChildren = function(element, only, recursive, tagName) {  argument
972 Element.offsetSize = function (element, type) {  argument