// Marquee
(function($){
	var methods = {
        marquee: function marquee(user_settings) {
            var self = $(this);            
			var sch = self.attr('scrollHeight');
			self.append(self.html());
            var settings = {
                timeout: null,                
                events: {
                    play: function(evt) {
                        var self = $(this);						
						var sct = self.scrollTop();
						if(sct>=sch)self.scrollTop(sct=sct-sch);
						self.animate({scrollTop:sct+settings.step-sct%settings.step},2000,function(){
							if(settings.timeout) clearTimeout(settings.timeout);
							settings.timeout = setTimeout(function(){self.marqueePlay()},settings.time);
						});
                    },
                    stop: function(evt) {
                        var self = $(this);
                        clearTimeout(settings.timeout);self.stop();
                    }
                }
            };
            if(self.data("marquee.settings")) {
                settings = self.data("marquee.settings");
            }
            settings = $.extend(user_settings, settings);            
            for(var event in settings.events) {
                var evt = "marquee." + event;
                self.unbind(evt);
                self.bind(evt, settings.events[event]);
            }            
            self.data("marquee.settings", settings);
			self.marqueePlay();
            return self;
        },
        marqueePlay: function() {
            $(this).trigger("marquee.play");         
        },
        marqueeStop: function() {
            $(this).trigger("marquee.stop");
        }
    };
    $.each(methods, function(i) {
        $.fn[i] = this;
    });
})(jQuery);