(function ($){ 
var oldcleandata = $.cleanData, links = [] , fnSetters = { 
val: "val",
html: "html",
text: "text"}
; 
function setValue(target, field, value){ 
if (target.nodeType) { 
var setter = fnSetters[field] || "attr"; 
$(target)[setter](value); 
} 
 else { 
$(target).data(field, value); 
} 
} 
function getLinks(obj){ 
var data = $.data(obj), cache, fn = data._getLinks || (cache = { 
s: [] ,
t: [] }
, data._getLinks = function (){ 
return cache; 
} 
); 
return fn(); 
} 
function bind(obj, wrapped, handler){ 
wrapped.bind(obj.nodeType? "change": "changeData", handler); 
} 
function unbind(obj, wrapped, handler){ 
wrapped.unbind(obj.nodeType? "change": "changeData", handler); 
} 
$.extend({ 
cleanData: function (elems){ 
for (var j, i = 0, elem; 
(elem = elems[i]) != null ; i++ ){ 
var links = $.data(elem, "_getLinks"); 
if (links) { 
links = links(); 
var self = $(elem); 
$.each(links.s, function (){ 
unbind(elem, self, this.handler); 
if (this.handlerRev) { 
unbind(_AN_Read_target("target", this), $(_AN_Read_target("target", this)), this.handlerRev); 
} 
} 
); 
$.each(links.t, function (){ 
unbind(this.source, $(this.source), this.handler); 
if (this.handlerRev) { 
unbind(elem, self, this.handlerRev); 
} 
} 
); 
links.s = [] ; 
links.t = [] ; 
} 
} 
oldcleandata(elems); 
} 
,
convertFn: { 
"!": function (value){ 
return !value; 
} 
}
}
); 
function getMapping(ev, changed, newvalue, map, source, target){ 
var target = _AN_Read_target("target", ev), isSetData = ev.type === "changeData", mappedName, convert, name; 
if (isSetData) { 
name = changed; 
if (ev.namespace) { 
name += "." + ev.namespace; 
} 
} 
 else { 
name = (target.name || target.id); 
} 
if (!map) { 
mappedName = name; 
} 
 else { 
var m = map[name]; 
if (!m) { 
return null ; 
} 
mappedName = m.name; 
convert = m.convert; 
if (typeof convert === "string") { 
convert = $.convertFn[convert]; 
} 
} 
return { 
name: mappedName,
convert: convert,
value: isSetData? newvalue: $(target).val()}
; 
} 
$.extend($.fn, { 
link: function (target, mapping){ 
var self = this; 
if (!target) { 
return self; 
} 
function matchByName(name){ 
var selector = "[name=" + name + "], [id=" + name + "]"; 
return self.filter(selector).add(self.find(selector)); 
} 
if (typeof target === "string") { 
target = $(target, this.context || null )[0]; 
} 
var hasTwoWay = !mapping, map, mapRev, handler = function (ev, changed, newvalue){ 
var m = getMapping(ev, changed, newvalue, map); 
if (m) { 
var name = m.name, value = m.value, convert = m.convert; 
if (convert) { 
value = convert(value, _AN_Read_target("target", ev), target); 
} 
if (value !== undefined) { 
setValue(target, name, value); 
} 
} 
} 
, handlerRev = function (ev, changed, newvalue){ 
var m = getMapping(ev, changed, newvalue, mapRev); 
if (m) { 
var name = m.name, value = m.value, convert = m.convert; 
matchByName(name).each(function (){ 
newvalue = value; 
if (convert) { 
newvalue = convert(newvalue, target, this); 
} 
if (newvalue !== undefined) { 
setValue(this, "val", newvalue); 
} 
} 
); 
} 
} 
; 
if (mapping) { 
$.each(mapping, function (n, v){ 
var name = v, convert, convertBack, twoWay; 
if ($.isPlainObject(v)) { 
name = v.name || n; 
convert = v.convert; 
convertBack = v.convertBack; 
twoWay = v.twoWay !== false ; 
hasTwoWay |= twoWay; 
} 
 else { 
hasTwoWay = twoWay = true ; 
} 
if (twoWay) { 
mapRev = mapRev || { 
}
; 
mapRev[n] = { 
name: name,
convert: convertBack}
; 
} 
map = map || { 
}
; 
map[name] = { 
name: n,
convert: convert,
twoWay: twoWay}
; 
} 
); 
} 
self.each(function (){ 
bind(this, $(this), handler); 
var link = { 
handler: handler,
handlerRev: hasTwoWay? handlerRev: null ,
target: target,
source: this}
; 
getLinks(this).s.push(link); 
if (target.nodeType) { 
getLinks(target).t.push(link); 
} 
} 
); 
if (hasTwoWay) { 
bind(target, $(target), handlerRev); 
} 
return self; 
} 
,
unlink: function (target){ 
this.each(function (){ 
var self = $(this), links = getLinks(this).s; 
for (var i = _AN_Read_length("length", links) - 1; 
i >= 0; i-- ){ 
var link = links[i]; 
if (_AN_Read_target("target", link) === target) { 
unbind(this, self, link.handler); 
if (link.handlerRev) { 
unbind(_AN_Read_target("target", link), $(_AN_Read_target("target", link)), link.handlerRev); 
} 
links.splice(i, 1); 
var targetLinks = getLinks(_AN_Read_target("target", link)).t, index = $.inArray(link, targetLinks); 
if (index !== -1) { 
targetLinks.splice(index, 1); 
} 
} 
} 
} 
); 
} 
}
); 
} 
)(jQuery);