(function($) {
    $.fn.colorTip = function(settings) {
        var defaultSettings = {
            color: 'yellow',
            timeout: 500
        }
        var supportedColors = ['red', 'green', 'blue', 'white', 'yellow', 'black'];
        settings = $.extend(defaultSettings, settings);
        return this.each(function() {
            var elem = $(this);
            if (!elem.attr('title')) return true;
            var scheduleEvent = new eventScheduler();
            var tip = new Tip(elem.attr('title'));
            elem.append(tip.generate()).addClass('colorTipContainer');
            var hasClass = false;
            for (var i = 0; i < supportedColors.length; i++) {
                if (elem.hasClass(supportedColors[i])) {
                    hasClass = true;
                    break;
                }
            }
            if (!hasClass) {
                elem.addClass(settings.color);
            }
            elem.hover(function() {
                tip.show();
                scheduleEvent.clear();
            }, function() {
                scheduleEvent.set(function() {
                    tip.hide();
                }, settings.timeout);
            });
            elem.removeAttr('title');
        });
    }
    function eventScheduler() { }
    eventScheduler.prototype = {
        set: function(func, timeout) {
            this.timer = setTimeout(func, timeout);
        },
        clear: function() {
            clearTimeout(this.timer);
        }
    }
    function Tip(txt) {
        this.content = txt;
        this.shown = false;
    }
    Tip.prototype = {
        generate: function() {
            return this.tip || (this.tip = $('<span class="colorTip">' + this.content + '<span class="pointyTipShadow"></span><span class="pointyTip"></span></span>'));
        },
        show: function() {
            if (this.shown) return;
            this.tip.css('margin-left', -this.tip.outerWidth() / 2).fadeIn('fast');
            this.shown = true;
        },
        hide: function() {
            this.tip.fadeOut();
            this.shown = false;
        }
    }
})(jQuery);