/*
* jQuery Color Animations (Modified)
* Copyright 2007 John Resig
* Modified 2009 Leszek Swirski
* Released under the MIT and GPL licenses.
*/

(function(jQuery) {

    // We override the animation for all of these color styles
    jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function(i, attr) {
        jQuery.fx.step[attr] = function(fx) {
            if (fx.state == 0) {
                fx.start = jQuery.getColor(fx.elem, attr);
                fx.end = jQuery.getRGB(fx.end);
            }

            fx.elem.style[attr] = "rgb(" + [
				Math.max(Math.min(parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
				Math.max(Math.min(parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
				Math.max(Math.min(parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
			].join(",") + ")";
        }
    });

    // Color Conversion functions from highlightFade
    // By Blair Mitchelmore
    // http://jquery.offput.ca/highlightFade/

    // Parse strings looking for color tuples [255,255,255]
    var rgbRegex = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/,
        rgbPercentRegex = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/,
        hashRegex = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/,
        shortHashRegex = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/;
    jQuery.extend({
        getRGB: function(color) {
            var result;

            // Check if we're already dealing with an array of colors
            if (color && color.constructor == Array && color.length == 3)
                return color;

            // Look for rgb(num,num,num)
            if (result = rgbRegex.exec(color))
                return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];

            // Look for rgb(num%,num%,num%)
            if (result = rgbPercentRegex.exec(color))
                return [parseFloat(result[1]) * 2.55, parseFloat(result[2]) * 2.55, parseFloat(result[3]) * 2.55];

            // Look for #a0b1c2
            if (result = hashRegex.exec(color))
                return [parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16)];

            // Look for #fff
            if (result = shortHashRegex.exec(color))
                return [parseInt(result[1] + result[1], 16), parseInt(result[2] + result[2], 16), parseInt(result[3] + result[3], 16)];

            // Otherwise, we're most likely dealing with a named color
            return jQuery.colors[jQuery.trim(color).toLowerCase()];
        },

        getColor: function(elem, attr) {
            var color;

            do {
                color = jQuery.curCSS(elem, attr);

                // Keep going until we find an element that has color, or we hit the body
                if (color != '' && color != 'transparent' || jQuery.nodeName(elem, "body"))
                    break;

                attr = "backgroundColor";
            } while (elem = elem.parentNode);

            return jQuery.getRGB(color);
        },

        // Some named colors to work with
        // From Interface by Stefan Petre
        // http://interface.eyecon.ro/
        
        colors: {
            aqua: [0, 255, 255],
            azure: [240, 255, 255],
            beige: [245, 245, 220],
            black: [0, 0, 0],
            blue: [0, 0, 255],
            brown: [165, 42, 42],
            cyan: [0, 255, 255],
            darkblue: [0, 0, 139],
            darkcyan: [0, 139, 139],
            darkgrey: [169, 169, 169],
            darkgreen: [0, 100, 0],
            darkkhaki: [189, 183, 107],
            darkmagenta: [139, 0, 139],
            darkolivegreen: [85, 107, 47],
            darkorange: [255, 140, 0],
            darkorchid: [153, 50, 204],
            darkred: [139, 0, 0],
            darksalmon: [233, 150, 122],
            darkviolet: [148, 0, 211],
            fuchsia: [255, 0, 255],
            gold: [255, 215, 0],
            green: [0, 128, 0],
            indigo: [75, 0, 130],
            khaki: [240, 230, 140],
            lightblue: [173, 216, 230],
            lightcyan: [224, 255, 255],
            lightgreen: [144, 238, 144],
            lightgrey: [211, 211, 211],
            lightpink: [255, 182, 193],
            lightyellow: [255, 255, 224],
            lime: [0, 255, 0],
            magenta: [255, 0, 255],
            maroon: [128, 0, 0],
            navy: [0, 0, 128],
            olive: [128, 128, 0],
            orange: [255, 165, 0],
            pink: [255, 192, 203],
            purple: [128, 0, 128],
            violet: [128, 0, 128],
            red: [255, 0, 0],
            silver: [192, 192, 192],
            white: [255, 255, 255],
            yellow: [255, 255, 0]
        }
    });

})(jQuery);