; 
(function ($){ 
var rkeyEvent = /^key/, rmouseEvent = /^(?:mouse|contextmenu)|click/; 
$.fn.simulate = function (type, options){ 
return this.each(function (){ 
new $.simulate(this, type, options); 
} 
); 
} 
; 
$.simulate = function (elem, type, options){ 
var method = $.camelCase("simulate-" + type); 
_AN_Write_target("target", this, false , elem); 
this.options = options; 
if (this[method]) { 
this[method](); 
} 
 else { 
this.simulateEvent(elem, type, options); 
} 
} 
; 
$.extend($.simulate.prototype, { 
simulateEvent: function (elem, type, options){ 
var event = this.createEvent(type, options); 
this.dispatchEvent(elem, type, event, options); 
} 
,
createEvent: function (type, options){ 
if (rkeyEvent.test(type)) { 
return this.keyEvent(type, options); 
} 
if (rmouseEvent.test(type)) { 
return this.mouseEvent(type, options); 
} 
} 
,
mouseEvent: function (type, options){ 
var event, eventDoc, doc, body; 
options = $.extend({ 
bubbles: true ,
cancelable: (type !== "mousemove"),
view: window,
detail: 0,
screenX: 0,
screenY: 0,
clientX: 1,
clientY: 1,
ctrlKey: false ,
altKey: false ,
shiftKey: false ,
metaKey: false ,
button: 0,
relatedTarget: undefined}
, options); 
if (document.createEvent) { 
event = document.createEvent("MouseEvents"); 
event.initMouseEvent(type, options.bubbles, options.cancelable, options.view, options.detail, options.screenX, options.screenY, options.clientX, options.clientY, options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, options.relatedTarget || document.body.parentNode); 
if (event.pageX === 0 && event.pageY === 0 && Object.defineProperty) { 
eventDoc = event.relatedTarget.ownerDocument || document; 
doc = eventDoc.documentElement; 
body = eventDoc.body; 
Object.defineProperty(event, "pageX", { 
get: function (){ 
return options.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0); 
} 
}
); 
Object.defineProperty(event, "pageY", { 
get: function (){ 
return options.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0); 
} 
}
); 
} 
} 
 else if (document.createEventObject) { 
event = document.createEventObject(); 
$.extend(event, options); 
event.button = { 
0: 1,
1: 4,
2: 2}
[event.button] || event.button; 
} 
return event; 
} 
,
keyEvent: function (type, options){ 
var event; 
options = $.extend({ 
bubbles: true ,
cancelable: true ,
view: window,
ctrlKey: false ,
altKey: false ,
shiftKey: false ,
metaKey: false ,
keyCode: 0,
charCode: undefined}
, options); 
if (document.createEvent) { 
try { 
event = document.createEvent("KeyEvents"); 
event.initKeyEvent(type, options.bubbles, options.cancelable, options.view, options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.keyCode, options.charCode); 
} 
catch (err) { 
event = document.createEvent("Events"); 
event.initEvent(type, options.bubbles, options.cancelable); 
$.extend(event, { 
view: options.view,
ctrlKey: options.ctrlKey,
altKey: options.altKey,
shiftKey: options.shiftKey,
metaKey: options.metaKey,
keyCode: options.keyCode,
charCode: options.charCode}
); 
} 
} 
 else if (document.createEventObject) { 
event = document.createEventObject(); 
$.extend(event, options); 
} 
if ($.browser.msie || $.browser.opera) { 
event.keyCode = (options.charCode > 0)? options.charCode: options.keyCode; 
event.charCode = undefined; 
} 
return event; 
} 
,
dispatchEvent: function (elem, type, event){ 
if (elem.dispatchEvent) { 
elem.dispatchEvent(event); 
} 
 else if (elem.fireEvent) { 
elem.fireEvent("on" + type, event); 
} 
} 
,
simulateFocus: function (){ 
var focusinEvent, triggered = false , element = $(_AN_Read_target("target", this)); 
function trigger(){ 
triggered = true ; 
} 
element.bind("focus", trigger); 
element[0].focus(); 
if (!triggered) { 
focusinEvent = $.Event("focusin"); 
focusinEvent.preventDefault(); 
element.trigger(focusinEvent); 
element.triggerHandler("focus"); 
} 
element.unbind("focus", trigger); 
} 
,
simulateBlur: function (){ 
var focusoutEvent, triggered = false , element = $(_AN_Read_target("target", this)); 
function trigger(){ 
triggered = true ; 
} 
element.bind("blur", trigger); 
element[0].blur(); 
_AN_Call_settimeout("setTimeout", window, function (){ 
if (element[0].ownerDocument.activeElement === element[0]) { 
element[0].ownerDocument.body.focus(); 
} 
if (!triggered) { 
focusoutEvent = $.Event("focusout"); 
focusoutEvent.preventDefault(); 
element.trigger(focusoutEvent); 
element.triggerHandler("blur"); 
} 
element.unbind("blur", trigger); 
} 
, 1); 
} 
}
); 
function findCenter(elem){ 
var offset, document = $(elem.ownerDocument); 
elem = $(elem); 
offset = elem.offset(); 
return { 
x: offset.left + elem.outerWidth() / 2 - document.scrollLeft(),
y: offset.top + elem.outerHeight() / 2 - document.scrollTop()}
; 
} 
$.extend($.simulate.prototype, { 
simulateDrag: function (){ 
var target = _AN_Read_target("target", this), options = this.options, center = findCenter(target), x = Math.floor(center.x), y = Math.floor(center.y), dx = options.dx || 0, dy = options.dy || 0, coord = { 
clientX: x,
clientY: y}
; 
this.simulateEvent(target, "mousedown", coord); 
coord = { 
clientX: x + 1,
clientY: y + 1}
; 
this.simulateEvent(document, "mousemove", coord); 
coord = { 
clientX: x + dx,
clientY: y + dy}
; 
this.simulateEvent(document, "mousemove", coord); 
this.simulateEvent(document, "mousemove", coord); 
this.simulateEvent(target, "mouseup", coord); 
this.simulateEvent(target, "click", coord); 
} 
}
); 
} 
)(jQuery);