/*!

* jQuery Color Animations v2.1.2
* https://github.com/jquery/jquery-color
*
* Copyright 2013 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* Date: Wed Jan 16 08:47:09 2013 -0600
*/

(function( jQuery, undefined ) {

var stepHooks = "backgroundColor borderBottomColor borderLeftColor borderRightColor borderTopColor color columnRuleColor outlineColor textDecorationColor textEmphasisColor",

// plusequals test for += 100 -= 100
rplusequals = /^([\-+])=\s*(\d+\.?\d*)/,
// a set of RE's that can match strings and generate color tuples.
stringParsers = [{
                re: /rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
                parse: function( execResult ) {
                        return [
                                execResult[ 1 ],
                                execResult[ 2 ],
                                execResult[ 3 ],
                                execResult[ 4 ]
                        ];
                }
        }, {
                re: /rgba?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
                parse: function( execResult ) {
                        return [
                                execResult[ 1 ] * 2.55,
                                execResult[ 2 ] * 2.55,
                                execResult[ 3 ] * 2.55,
                                execResult[ 4 ]
                        ];
                }
        }, {
                // this regex ignores A-F because it's compared against an already lowercased string
                re: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/,
                parse: function( execResult ) {
                        return [
                                parseInt( execResult[ 1 ], 16 ),
                                parseInt( execResult[ 2 ], 16 ),
                                parseInt( execResult[ 3 ], 16 )
                        ];
                }
        }, {
                // this regex ignores A-F because it's compared against an already lowercased string
                re: /#([a-f0-9])([a-f0-9])([a-f0-9])/,
                parse: function( execResult ) {
                        return [
                                parseInt( execResult[ 1 ] + execResult[ 1 ], 16 ),
                                parseInt( execResult[ 2 ] + execResult[ 2 ], 16 ),
                                parseInt( execResult[ 3 ] + execResult[ 3 ], 16 )
                        ];
                }
        }, {
                re: /hsla?\(\s*(\d+(?:\.\d+)?)\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
                space: "hsla",
                parse: function( execResult ) {
                        return [
                                execResult[ 1 ],
                                execResult[ 2 ] / 100,
                                execResult[ 3 ] / 100,
                                execResult[ 4 ]
                        ];
                }
        }],

// jQuery.Color( )
color = jQuery.Color = function( color, green, blue, alpha ) {
        return new jQuery.Color.fn.parse( color, green, blue, alpha );
},
spaces = {
        rgba: {
                props: {
                        red: {
                                idx: 0,
                                type: "byte"
                        },
                        green: {
                                idx: 1,
                                type: "byte"
                        },
                        blue: {
                                idx: 2,
                                type: "byte"
                        }
                }
        },

        hsla: {
                props: {
                        hue: {
                                idx: 0,
                                type: "degrees"
                        },
                        saturation: {
                                idx: 1,
                                type: "percent"
                        },
                        lightness: {
                                idx: 2,
                                type: "percent"
                        }
                }
        }
},
propTypes = {
        "byte": {
                floor: true,
                max: 255
        },
        "percent": {
                max: 1
        },
        "degrees": {
                mod: 360,
                floor: true
        }
},
support = color.support = {},

// element for support tests
supportElem = jQuery( "<p>" )[ 0 ],

// colors = jQuery.Color.names
colors,

// local aliases of functions called often
each = jQuery.each;

// determine rgba support immediately supportElem.style.cssText = “background-color:rgba(1,1,1,.5)”; support.rgba = supportElem.style.backgroundColor.indexOf( “rgba” ) > -1;

// define cache name and alpha properties // for rgba and hsla spaces each( spaces, function( spaceName, space ) {

space.cache = "_" + spaceName;
space.props.alpha = {
        idx: 3,
        type: "percent",
        def: 1
};

});

function clamp( value, prop, allowEmpty ) {

var type = propTypes[ prop.type ] || {};

if ( value == null ) {
        return (allowEmpty || !prop.def) ? null : prop.def;
}

// ~~ is an short way of doing floor for positive numbers
value = type.floor ? ~~value : parseFloat( value );

// IE will pass in empty strings as value for alpha,
// which will hit this case
if ( isNaN( value ) ) {
        return prop.def;
}

if ( type.mod ) {
        // we add mod before modding to make sure that negatives values
        // get converted properly: -10 -> 350
        return (value + type.mod) % type.mod;
}

// for now all property types without mod have min and max
return 0 > value ? 0 : type.max < value ? type.max : value;

}

function stringParse( string ) {

var inst = color(),
        rgba = inst._rgba = [];

string = string.toLowerCase();

each( stringParsers, function( i, parser ) {
        var parsed,
                match = parser.re.exec( string ),
                values = match && parser.parse( match ),
                spaceName = parser.space || "rgba";

        if ( values ) {
                parsed = inst[ spaceName ]( values );

                // if this was an rgba parse the assignment might happen twice
                // oh well....
                inst[ spaces[ spaceName ].cache ] = parsed[ spaces[ spaceName ].cache ];
                rgba = inst._rgba = parsed._rgba;

                // exit each( stringParsers ) here because we matched
                return false;
        }
});

// Found a stringParser that handled it
if ( rgba.length ) {

        // if this came from a parsed string, force "transparent" when alpha is 0
        // chrome, (and maybe others) return "transparent" as rgba(0,0,0,0)
        if ( rgba.join() === "0,0,0,0" ) {
                jQuery.extend( rgba, colors.transparent );
        }
        return inst;
}

// named colors
return colors[ string ];

}

color.fn = jQuery.extend( color.prototype, {

parse: function( red, green, blue, alpha ) {
        if ( red === undefined ) {
                this._rgba = [ null, null, null, null ];
                return this;
        }
        if ( red.jquery || red.nodeType ) {
                red = jQuery( red ).css( green );
                green = undefined;
        }

        var inst = this,
                type = jQuery.type( red ),
                rgba = this._rgba = [];

        // more than 1 argument specified - assume ( red, green, blue, alpha )
        if ( green !== undefined ) {
                red = [ red, green, blue, alpha ];
                type = "array";
        }

        if ( type === "string" ) {
                return this.parse( stringParse( red ) || colors._default );
        }

        if ( type === "array" ) {
                each( spaces.rgba.props, function( key, prop ) {
                        rgba[ prop.idx ] = clamp( red[ prop.idx ], prop );
                });
                return this;
        }

        if ( type === "object" ) {
                if ( red instanceof color ) {
                        each( spaces, function( spaceName, space ) {
                                if ( red[ space.cache ] ) {
                                        inst[ space.cache ] = red[ space.cache ].slice();
                                }
                        });
                } else {
                        each( spaces, function( spaceName, space ) {
                                var cache = space.cache;
                                each( space.props, function( key, prop ) {

                                        // if the cache doesn't exist, and we know how to convert
                                        if ( !inst[ cache ] && space.to ) {

                                                // if the value was null, we don't need to copy it
                                                // if the key was alpha, we don't need to copy it either
                                                if ( key === "alpha" || red[ key ] == null ) {
                                                        return;
                                                }
                                                inst[ cache ] = space.to( inst._rgba );
                                        }

                                        // this is the only case where we allow nulls for ALL properties.
                                        // call clamp with alwaysAllowEmpty
                                        inst[ cache ][ prop.idx ] = clamp( red[ key ], prop, true );
                                });

                                // everything defined but alpha?
                                if ( inst[ cache ] && jQuery.inArray( null, inst[ cache ].slice( 0, 3 ) ) < 0 ) {
                                        // use the default of 1
                                        inst[ cache ][ 3 ] = 1;
                                        if ( space.from ) {
                                                inst._rgba = space.from( inst[ cache ] );
                                        }
                                }
                        });
                }
                return this;
        }
},
is: function( compare ) {
        var is = color( compare ),
                same = true,
                inst = this;

        each( spaces, function( _, space ) {
                var localCache,
                        isCache = is[ space.cache ];
                if (isCache) {
                        localCache = inst[ space.cache ] || space.to && space.to( inst._rgba ) || [];
                        each( space.props, function( _, prop ) {
                                if ( isCache[ prop.idx ] != null ) {
                                        same = ( isCache[ prop.idx ] === localCache[ prop.idx ] );
                                        return same;
                                }
                        });
                }
                return same;
        });
        return same;
},
_space: function() {
        var used = [],
                inst = this;
        each( spaces, function( spaceName, space ) {
                if ( inst[ space.cache ] ) {
                        used.push( spaceName );
                }
        });
        return used.pop();
},
transition: function( other, distance ) {
        var end = color( other ),
                spaceName = end._space(),
                space = spaces[ spaceName ],
                startColor = this.alpha() === 0 ? color( "transparent" ) : this,
                start = startColor[ space.cache ] || space.to( startColor._rgba ),
                result = start.slice();

        end = end[ space.cache ];
        each( space.props, function( key, prop ) {
                var index = prop.idx,
                        startValue = start[ index ],
                        endValue = end[ index ],
                        type = propTypes[ prop.type ] || {};

                // if null, don't override start value
                if ( endValue === null ) {
                        return;
                }
                // if null - use end
                if ( startValue === null ) {
                        result[ index ] = endValue;
                } else {
                        if ( type.mod ) {
                                if ( endValue - startValue > type.mod / 2 ) {
                                        startValue += type.mod;
                                } else if ( startValue - endValue > type.mod / 2 ) {
                                        startValue -= type.mod;
                                }
                        }
                        result[ index ] = clamp( ( endValue - startValue ) * distance + startValue, prop );
                }
        });
        return this[ spaceName ]( result );
},
blend: function( opaque ) {
        // if we are already opaque - return ourself
        if ( this._rgba[ 3 ] === 1 ) {
                return this;
        }

        var rgb = this._rgba.slice(),
                a = rgb.pop(),
                blend = color( opaque )._rgba;

        return color( jQuery.map( rgb, function( v, i ) {
                return ( 1 - a ) * blend[ i ] + a * v;
        }));
},
toRgbaString: function() {
        var prefix = "rgba(",
                rgba = jQuery.map( this._rgba, function( v, i ) {
                        return v == null ? ( i > 2 ? 1 : 0 ) : v;
                });

        if ( rgba[ 3 ] === 1 ) {
                rgba.pop();
                prefix = "rgb(";
        }

        return prefix + rgba.join() + ")";
},
toHslaString: function() {
        var prefix = "hsla(",
                hsla = jQuery.map( this.hsla(), function( v, i ) {
                        if ( v == null ) {
                                v = i > 2 ? 1 : 0;
                        }

                        // catch 1 and 2
                        if ( i && i < 3 ) {
                                v = Math.round( v * 100 ) + "%";
                        }
                        return v;
                });

        if ( hsla[ 3 ] === 1 ) {
                hsla.pop();
                prefix = "hsl(";
        }
        return prefix + hsla.join() + ")";
},
toHexString: function( includeAlpha ) {
        var rgba = this._rgba.slice(),
                alpha = rgba.pop();

        if ( includeAlpha ) {
                rgba.push( ~~( alpha * 255 ) );
        }

        return "#" + jQuery.map( rgba, function( v ) {

                // default to 0 when nulls exist
                v = ( v || 0 ).toString( 16 );
                return v.length === 1 ? "0" + v : v;
        }).join("");
},
toString: function() {
        return this._rgba[ 3 ] === 0 ? "transparent" : this.toRgbaString();
}

}); color.fn.parse.prototype = color.fn;

// hsla conversions adapted from: // code.google.com/p/maashaack/source/browse/packages/graphics/trunk/src/graphics/colors/HUE2RGB.as?r=5021

function hue2rgb( p, q, h ) {

h = ( h + 1 ) % 1;
if ( h * 6 < 1 ) {
        return p + (q - p) * h * 6;
}
if ( h * 2 < 1) {
        return q;
}
if ( h * 3 < 2 ) {
        return p + (q - p) * ((2/3) - h) * 6;
}
return p;

}

spaces.hsla.to = function ( rgba ) {

if ( rgba[ 0 ] == null || rgba[ 1 ] == null || rgba[ 2 ] == null ) {
        return [ null, null, null, rgba[ 3 ] ];
}
var r = rgba[ 0 ] / 255,
        g = rgba[ 1 ] / 255,
        b = rgba[ 2 ] / 255,
        a = rgba[ 3 ],
        max = Math.max( r, g, b ),
        min = Math.min( r, g, b ),
        diff = max - min,
        add = max + min,
        l = add * 0.5,
        h, s;

if ( min === max ) {
        h = 0;
} else if ( r === max ) {
        h = ( 60 * ( g - b ) / diff ) + 360;
} else if ( g === max ) {
        h = ( 60 * ( b - r ) / diff ) + 120;
} else {
        h = ( 60 * ( r - g ) / diff ) + 240;
}

// chroma (diff) == 0 means greyscale which, by definition, saturation = 0%
// otherwise, saturation is based on the ratio of chroma (diff) to lightness (add)
if ( diff === 0 ) {
        s = 0;
} else if ( l <= 0.5 ) {
        s = diff / add;
} else {
        s = diff / ( 2 - add );
}
return [ Math.round(h) % 360, s, l, a == null ? 1 : a ];

};

spaces.hsla.from = function ( hsla ) {

if ( hsla[ 0 ] == null || hsla[ 1 ] == null || hsla[ 2 ] == null ) {
        return [ null, null, null, hsla[ 3 ] ];
}
var h = hsla[ 0 ] / 360,
        s = hsla[ 1 ],
        l = hsla[ 2 ],
        a = hsla[ 3 ],
        q = l <= 0.5 ? l * ( 1 + s ) : l + s - l * s,
        p = 2 * l - q;

return [
        Math.round( hue2rgb( p, q, h + ( 1 / 3 ) ) * 255 ),
        Math.round( hue2rgb( p, q, h ) * 255 ),
        Math.round( hue2rgb( p, q, h - ( 1 / 3 ) ) * 255 ),
        a
];

};

each( spaces, function( spaceName, space ) {

var props = space.props,
        cache = space.cache,
        to = space.to,
        from = space.from;

// makes rgba() and hsla()
color.fn[ spaceName ] = function( value ) {

        // generate a cache for this space if it doesn't exist
        if ( to && !this[ cache ] ) {
                this[ cache ] = to( this._rgba );
        }
        if ( value === undefined ) {
                return this[ cache ].slice();
        }

        var ret,
                type = jQuery.type( value ),
                arr = ( type === "array" || type === "object" ) ? value : arguments,
                local = this[ cache ].slice();

        each( props, function( key, prop ) {
                var val = arr[ type === "object" ? key : prop.idx ];
                if ( val == null ) {
                        val = local[ prop.idx ];
                }
                local[ prop.idx ] = clamp( val, prop );
        });

        if ( from ) {
                ret = color( from( local ) );
                ret[ cache ] = local;
                return ret;
        } else {
                return color( local );
        }
};

// makes red() green() blue() alpha() hue() saturation() lightness()
each( props, function( key, prop ) {
        // alpha is included in more than one space
        if ( color.fn[ key ] ) {
                return;
        }
        color.fn[ key ] = function( value ) {
                var vtype = jQuery.type( value ),
                        fn = ( key === "alpha" ? ( this._hsla ? "hsla" : "rgba" ) : spaceName ),
                        local = this[ fn ](),
                        cur = local[ prop.idx ],
                        match;

                if ( vtype === "undefined" ) {
                        return cur;
                }

                if ( vtype === "function" ) {
                        value = value.call( this, cur );
                        vtype = jQuery.type( value );
                }
                if ( value == null && prop.empty ) {
                        return this;
                }
                if ( vtype === "string" ) {
                        match = rplusequals.exec( value );
                        if ( match ) {
                                value = cur + parseFloat( match[ 2 ] ) * ( match[ 1 ] === "+" ? 1 : -1 );
                        }
                }
                local[ prop.idx ] = value;
                return this[ fn ]( local );
        };
});

});

// add cssHook and .fx.step function for each named hook. // accept a space separated string of properties color.hook = function( hook ) {

var hooks = hook.split( " " );
each( hooks, function( i, hook ) {
        jQuery.cssHooks[ hook ] = {
                set: function( elem, value ) {
                        var parsed, curElem,
                                backgroundColor = "";

                        if ( value !== "transparent" && ( jQuery.type( value ) !== "string" || ( parsed = stringParse( value ) ) ) ) {
                                value = color( parsed || value );
                                if ( !support.rgba && value._rgba[ 3 ] !== 1 ) {
                                        curElem = hook === "backgroundColor" ? elem.parentNode : elem;
                                        while (
                                                (backgroundColor === "" || backgroundColor === "transparent") &&
                                                curElem && curElem.style
                                        ) {
                                                try {
                                                        backgroundColor = jQuery.css( curElem, "backgroundColor" );
                                                        curElem = curElem.parentNode;
                                                } catch ( e ) {
                                                }
                                        }

                                        value = value.blend( backgroundColor && backgroundColor !== "transparent" ?
                                                backgroundColor :
                                                "_default" );
                                }

                                value = value.toRgbaString();
                        }
                        try {
                                elem.style[ hook ] = value;
                        } catch( e ) {
                                // wrapped to prevent IE from throwing errors on "invalid" values like 'auto' or 'inherit'
                        }
                }
        };
        jQuery.fx.step[ hook ] = function( fx ) {
                if ( !fx.colorInit ) {
                        fx.start = color( fx.elem, hook );
                        fx.end = color( fx.end );
                        fx.colorInit = true;
                }
                jQuery.cssHooks[ hook ].set( fx.elem, fx.start.transition( fx.end, fx.pos ) );
        };
});

};

color.hook( stepHooks );

jQuery.cssHooks.borderColor = {

expand: function( value ) {
        var expanded = {};

        each( [ "Top", "Right", "Bottom", "Left" ], function( i, part ) {
                expanded[ "border" + part + "Color" ] = value;
        });
        return expanded;
}

};

// Basic color names only. // Usage of any of the other color names requires adding yourself or including // jquery.color.svg-names.js. colors = jQuery.Color.names = {

// 4.1. Basic color keywords
aqua: "#00ffff",
black: "#000000",
blue: "#0000ff",
fuchsia: "#ff00ff",
gray: "#808080",
green: "#008000",
lime: "#00ff00",
maroon: "#800000",
navy: "#000080",
olive: "#808000",
purple: "#800080",
red: "#ff0000",
silver: "#c0c0c0",
teal: "#008080",
white: "#ffffff",
yellow: "#ffff00",

// 4.2.3. "transparent" color keyword
transparent: [ null, null, null, 0 ],

_default: "#ffffff"

};

})( jQuery );