(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 = getColor( fx.elem, attr );
						fx.end = 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]
function getRGB(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 = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
				return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];

		// Look for rgb(num%,num%,num%)
		if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color))
				return [parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];

		// Look for #a0b1c2
		if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
				return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)];

		// Look for #fff
		if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
				return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)];

		// Look for rgba(0, 0, 0, 0) == transparent in Safari 3
		if (result = /rgba\(0, 0, 0, 0\)/.exec(color))
				return colors['transparent']

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

function getColor(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 getRGB(color);
};

// Some named colors to work with
// From Interface by Stefan Petre
// http://interface.eyecon.ro/

var 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:[196,207,26],
	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],
	transparent: [255,255,255]
};
})(jQuery);