$(function() {
  
  // masonry
  var $container = $('#work');
  $container.imagesLoaded(function(){
      $('#work').css({ 'width' : 'auto' , 'opacity' : '1' });
  
    $container.masonry({
      itemSelector : '.item'
    });
  });
  
  /* prettyPhoto
  $('a[rel^="work"]').prettyPhoto({
    	social_tools: false
  }); */
  
  o.init();
  
});

var o = {
	init: function(){
		this.diagram();
	},
	random: function(l, u){
		return Math.floor((Math.random()*(u-l+1))+l);
	},
	diagram: function(){
		var r = Raphael('diagram', 600, 600),
			rad = 73;

		r.circle(300, 300, 85).attr({ stroke: 'none', fill: '#193340' });

		var title = r.text(300, 300, 'Skills').attr({
			font: '20px Arial',
			fill: '#fff'
		}).toFront();

		r.customAttributes.arc = function(value, color, rad){
			var v = 3.6*value,
				alpha = v == 360 ? 359.99 : v,
				random = o.random(91, 240),
				a = (random-alpha) * Math.PI/180,
				b = random * Math.PI/180,
				sx = 300 + rad * Math.cos(b),
				sy = 300 - rad * Math.sin(b),
				x = 300 + rad * Math.cos(a),
				y = 300 - rad * Math.sin(a),
				path = [['M', sx, sy], ['A', rad, rad, 0, +(alpha > 180), 1, x, y]];
			return { path: path, stroke: color }
		}

		$('.get').find('.arc').each(function(i){
			var t = $(this),
				color = t.find('.color').val(),
				value = t.find('.percent').val(),
				text = t.find('.text').text(),
				years = t.find('.years').text();

			rad += 30;
			var z = r.path().attr({ arc: [value, color, rad], 'stroke-width': 26 });

			z.mouseover(
			  function(){
          this.animate({ 'stroke-width': 50, opacity: .75 }, 1000, 'elastic');
          if(Raphael.type != 'VML') //solves IE problem
				  this.toFront();
				  title.animate({ opacity: 0 }, 500, '>', function(){
					  this.attr({ text: text + '\n' + years + ' years' }).animate({ opacity: 1 }, 500, '<');
				  });
        }
      ).mouseout(
        function(){
				  this.animate({ 'stroke-width': 26, opacity: 1 }, 1000, 'elastic');
        }
      );
		});
	}
}