$(document).ready(function()
	{
		circlesPaper = new Raphael('circles', $(window).width(), $(window).height());
		for(var i = 0; i < 10; i++) { 
			var circle = circlesPaper.circle(randomNumber(0, $('#circles').height()), randomNumber(0, $('#circles').width()), randomNumber(5, 50));
			circle.id = i;
			circlesPaper.getById(i).attr({fill:  '#' + genColor(), 'opacity': 0, 'stroke-opacity': 0});
		}
		function animateCircles()
			{
				for(var i = 0; i < 10; i++)
					{
						circlesPaper.getById(i).animate({r: randomNumber(0, 200), cx: randomNumber(0,$('#circles').width()), cy: randomNumber(0, $('#circles').height()), 'opacity': randomNumber(0, 0.1), fill: ('#' + genColor()), "stroke-opacity": 0}, randomNumber( 2000, 5000));
					}
			}
		animateCircles();
		$('.portfolioImage').click(function(){animateCircles();});
	}
);