(function($) {
$.fn.newsScroll = function(options) {
	return this.each(function() {	
	  
		var
		  $this = $(this), 
		  defaults = {
		  	speed: 400,
		  	delay: 3000,
		  	list_item_height: $this.children('li').outerHeight()
	     },
		  settings = $.extend({}, defaults, options);
	  setInterval(function() {
	  	    $this.children('li:first')
	  	    		.animate({ 
	  	    			marginTop : '-' + settings.list_item_height,
	  	    		   opacity: 'hide' },
	  	    		   settings.speed, 
	  	    		   function() {
                                    $this.children('li:first')
                                         .appendTo($this)
                                         .css('marginTop', 0)
                                         .fadeIn(300);
  		 			  }
 	 			  );
 	  }, settings.delay);
	  });
}

})(jQuery);