(function($) 
{ 
	var defaults = 
	{
		images : ['http://www.nekoji.de/img/punkt01.png', 
		'http://www.nekoji.de/img/punkt02.png',
		'http://www.nekoji.de/img/punkt03.png', 
		'http://www.nekoji.de/img/punkt04.png'],
		total : 10
	};
	

	$.firefly = function(settings) 
	{
		$.firefly.settings = $.extend({}, defaults, settings);
		if($.firefly.preloadImages())
		{
			for (i = 0; i < $.firefly.settings.total; i++)
			{
				$.firefly.fly($.firefly.create($.firefly.settings.images[$.firefly.random(($.firefly.settings.images).length)]));
			}
		}
		return;
	};

	$.firefly.create = function(img)
	{
		spark = $('<img>').attr({'src' : img}).hide();
		$(document.body).append(spark);
		return spark.css(
		{
			'position':'absolute',
			//'z-index': $.firefly.random(20),
			'z-index': '-1',
			top: $.firefly.random(($(window).height()-50)),	//offsets
			left:  $.firefly.random(($(window).width()-50)) //offsets
		}).show();		
	}

	$.firefly.fly = function(sp) 
	{
	  $(sp).animate(
	  {
		  top: $.firefly.random(($(window).height()-50)),	//offsets
		  left: $.firefly.random(($(window).width()-50))
	  }, (($.firefly.random(10) + 5) * 2000),function(){  $.firefly.fly(sp) } );
	};
	
	$.firefly.preloadImages = function() 
	{
		var preloads = new Object();
		for (i = 0; i < ($.firefly.settings.images).length; i++)
		{  
			preloads[i] = new Image(); preloads[i].src =  $.firefly.settings.images[i];
	    }
		return true;
	}
	
	$.firefly.random = function(max) 
	{
		return Math.ceil(Math.random() * max) - 1;
	}
		
})(jQuery);