} ]
};

// Animations created synchronously will run synchronously
function createFxNow() {
setTimeout(function() {
fxNow = undefined;
});
return ( fxNow = jQuery.now() );
}

// Generate parameters to create a standard animation
function genFx( type, includeWidth ) {
var which,
attrs = { height: type },
i = 0;

// if we include width, step value is 1 to do all cssExpand values,
// if we don't include width, step value is 2 to skip over Left and Right
includeWidth = includeWidth ? 1 : 0;
for ( ; i < 4 ; i += 2 - includeWidth ) {
which = cssExpand[ i ];
attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
}

if ( includeWidth ) {
attrs.opacity = attrs.width = type;
}

return attrs;
}

function createTween( value, prop, animation ) {
var tween,
collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
index = 0,
length = collection.length;
for ( ; index < length; index++ ) {
if ( (tween = collection[ index ].call( animation, prop, value )) ) {

// we're done with this property
return tween;
}
}
}

function defaultPrefilter( elem, props, opts ) {
/* jshint validthis: true */
var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
anim = this,
orig = {},
style = elem.style,
hidden = elem.nodeType && isHidden( elem ),
dataShow = jQuery._data( elem, "fxshow" );

// handle queue: false promises
if ( !opts.queue ) {
hooks = jQuery._queueHooks( elem, "fx" );
if ( hooks.unqueued == null ) {
hooks.unqueued = 0;
oldfire = hooks.empty.fire;
hooks.empty.fire = function() {
if ( !hooks.unqueued ) {
oldfire();
}
};
}
hooks.unqueued++;

anim.always(function() {
// doing this makes sure that the complete handler will be called
// before this completes
anim.always(function() {
hooks.unqueued--;
if ( !jQuery.queue( elem, "fx" ).length ) {
hooks.empty.fire();
}
});
});
}

// height/width overflow pass
if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
// Make sure that nothing sneaks out
// Record all 3 overflow attributes because IE does not
// change the overflow attribute when overflowX and
// overflowY are set to the same value
opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];

// Set display property to inline-block for height/width
// animations on inline elements that are having width/height animated
display = jQuery.css( elem, "display" );

// Test default display if display is currently "none"
checkDisplay = display === "none" ?
jQuery._data( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;

if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {

// inline-level elements accept inline-block;
// block-level elements need to be inline with layout
if ( !support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) {
style.display = "inline-block";
} else {
style.zoom = 1;
}
}
}

if ( opts.overflow ) {
style.overflow = "hidden";
if ( !support.shrinkWrapBlocks() ) {
anim.always(function() {
style.overflow = opts.overflow[ 0 ];
style.overflowX = opts.overflow[ 1 ];
style.overflowY = opts.overflow[ 2 ];
});
}
}

// show/hide pass
for ( prop in props ) {
value = props[ prop ];
if ( rfxtypes.exec( value ) ) {
delete props[ prop ];
toggle = toggle || value === "toggle";
if ( value === ( hidden ? "hide" : "show" ) ) {

// If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
hidden = true;
} else {
continue;
}
}
orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );

// Any non-fx value stops us from restoring the original display value
} else {
display = undefined;
}
}

if ( !jQuery.isEmptyObject( orig ) ) {
if ( dataShow ) {
if ( "hidden" in dataShow ) {
hidden = dataShow.hidden;
}
} else {
dataShow = jQuery._data( elem, "fxshow", {} );
}

// store state if its toggle - enables .stop().toggle() to "reverse"
if ( toggle ) {
dataShow.hidden = !hidden;
}
if ( hidden ) {
jQuery( elem ).show();
} else {
anim.done(function() {
jQuery( elem ).hide();
});
}
anim.done(function() {
var prop;
jQuery._removeData( elem, "fxshow" );
for ( prop in orig ) {
jQuery.style( elem, prop, orig[ prop ] );
}
});
for ( prop in orig ) {
tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );

if ( !( prop in dataShow ) ) {
dataShow[ prop ] = tween.start;
if ( hidden ) {
tween.end = tween.start;
tween.start = prop === "width" || prop === "height" ? 1 : 0;
}
}
}

// If this is a noop like .hide().hide(), restore an overwritten display value
} else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) {
style.display = display;
}
}

function propFilter( props, specialEasing ) {
var index, name, easing, value, hooks;

// camelCase, specialEasing and expand cssHook pass
for ( index in props ) {
name = jQuery.camelCase( index );
easing = specialEasing[ name ];
value = props[ index ];
if ( jQuery.isArray( value ) ) {
easing = value[ 1 ];
value = props[ index ] = value[ 0 ];
}

if ( index !== name ) {
props[ name ] = value;
delete props[ index ];
}

hooks = jQuery.cssHooks[ name ];
if ( hooks && "expand" in hooks ) {
value = hooks.expand( value );
delete props[ name ];

// not quite $.extend, this wont overwrite keys already present.
// also - reusing 'index' from above because we have the correct "name"
for ( index in value ) {
if ( !( index in props ) ) {
props[ index ] = value[ index ];
specialEasing[ index ] = easing;
}
}
} else {
specialEasing[ name ] = easing;
}
}
}

function Animation( elem, properties, options ) {
var result,
stopped,
index = 0,
length = animationPrefilters.length,
deferred = jQuery.