(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); 
  		 			  }
 	 			  ); // end animate
 	  }, settings.delay); // end setInterval
	});
}
})(jQuery);