/**
 * Atomic jQuery Plugin
 * 
 * @author Anton Kedenko, me@anton.in.ua
 * @verion 1.0
 */
(function ($)
    {
        jQuery.each(['color'], 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(",") + ")";
            };
        });
        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],
            gray:[128,128,128],
            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]
        };

        function getRGB(color) {
            var result;
            if ( color && color.constructor == Array && color.length == 3 )
                return color;
            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])];
            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)];


            
            return colors[jQuery.trim(color).toLowerCase()];
        }

        function getColor(elem, attr) {
            var color;

            do {
                color = jQuery.curCSS(elem, attr);
                if ( color != '' && color != 'transparent' || jQuery.nodeName(elem, "body") )
                    break;
                attr = "backgroundColor";
            } while ( elem = elem.parentNode );

            return getRGB(color);
        }




        $.fn.atomic = function (text, options)
        {
            if( !options ) options = new Object;
            if( !options.color_default )
                options.color_default = '#000000';
            if( !options.color_normal )
                options.color_normal = '#000000';
            if( !options.color_fade )
                options.color_fade   = '#000000';
            if( !options.speed )
                options.speed    = 100;
            return this.each(function()
            {
                if( !text )
                    text = $(this).val();
                $(this).val(text);
                $(this).css( {
                    'color': options.color_default
                } );
                $(this).attr('atomic', text);
                $(this).keydown( function()
                {
                    $(this).css({
                        color: options.color_normal
                    });
                });
                $(this).focus( function()
                {
                    if( $(this).val() == $(this).attr('atomic') )
                    {
                        $(this).animate(
                        {
                            color: options.color_fade
                        }, options.speed, function(){
                            $(this).css({
                                color: options.color_normal
                            });
                            $(this).val('');
                        });
                    }
                });
                $( this ).blur( function()
                {
                    if( $(this).val().length == 0)
                    {
                        $(this).val( $(this).attr('atomic'));
                        $(this).css( {
                            color: options.color_default
                        });
                    }
                });

            }
            );
        }
    })(jQuery);