Social share buttons taken from, with permission, Swifty bar plugin made by Goran Jakovljevic http://www.itsgoran.com/swiftybar/

social-share.js

jQuery(document).ready(function ($) {
	'use strict';

  $.fn.socShare = function(opts) {
    	var $this = this;
    	var $win = $(window);

    	opts = $.extend({
    		attr : 'href',
    		facebook : false,
    		google_plus : false,
    		twitter : false,
    		linked_in : false,
    		pinterest : false
    	}, opts);

    	for(var opt in opts) {

    		if(opts[opt] === false) {
    			continue;
    		}

    		var url;
			var name;

    		switch (opt) {
    			case 'facebook':
    				url = 'https://www.facebook.com/sharer/sharer.php?u=';
    				name = 'Facebook';
    				_popup(url, name, opts[opt], 400, 640);
    				break;

    			case 'twitter':
                    var posttitle = $(".sbtwitter a").data("title");
                    url = 'https://twitter.com/intent/tweet?&text='+posttitle+'&hashtags=madebydenis,wordpress&url=';
    				name = 'Twitter';
    				_popup(url, name, opts[opt], 440, 600);
    				break;

				case 'google_plus':
    				url = 'https://plus.google.com/share?url=';
    				name = 'Google+';
    				_popup(url, name, opts[opt], 600, 600);
    				break;

    			case 'linked_in':
    				url = 'https://www.linkedin.com/shareArticle?mini=true&url=';
    				name = 'LinkedIn';
    				_popup(url, name, opts[opt], 570, 520);
    				break;

				case 'pinterest':
    				url = 'https://www.pinterest.com/pin/find/?url=';
    				name = 'Pinterest';
    				_popup(url, name, opts[opt], 500, 800);
    				break;
				default:
					break;
    		}
    	}

		function isUrl(data) {
            var regexp = new RegExp( '(^(http[s]?:\\/\\/(www\\.)?|ftp:\\/\\/(www\\.)?|(www\\.)?))[\\w-]+(\\.[\\w-]+)+([\\w-.,@?^=%&:/~+#-]*[\\w@?^=%&;/~+#-])?', 'gim' );
            return regexp.test(data);
        }

    	function _popup(url, name, opt, height, width) {
    		if(opt !== false && $this.find(opt).length) {
				$this.on('click', opt, function(e){
					e.preventDefault();

					var top = (screen.height/2) - height/2;
					var left = (screen.width/2) - width/2;
					var share_link = $(this).attr(opts.attr);

					if(!isUrl(share_link)) {
						share_link = window.location.href;
					}

					window.open(
						url+encodeURIComponent(share_link),
						name,
						'menubar=no,toolbar=no,resizable=yes,scrollbars=yes,height='+height+',width='+width+',top='+top+',left='+left
					);

					return false;
				});
			}
    	}
    	return;
	};

	$('.sb_share').socShare({
		facebook : '.sbsoc-fb',
		twitter : '.sbsoc-tw',
		google_plus : '.sbsoc-gplus',
		linked_in : '.sbsoc-linked',
		pinterest : '.sbsoc-pint'
	});
  
});