Base de funções para share icons

js_icons_Shares.js

// https://gist.github.com/jeffdrumgod/11414145
var Shares_custom = new function() {
	this.updateUrl = function(url){
		if(url){
			share_url = url;
		}else{
			share_url = location.href;
		}

		return encodeURIComponent(this.share_url);
	}

	this.fb = function() {
		var sharer = "https://www.facebook.com/sharer/sharer.php?u=" + this.share_url;
		window.open(sharer, 'sharer', 'width='+this.window_width+',height='+this.window_height);
	}

	this.twitter = function() {
		var sharer = "http://twitter.com/share?text="+this.text+"&url="+this.share_url;
		window.open(sharer, 'sharer', 'width='+this.window_width+',height='+this.window_height);
	}

	this.plus = function() {
		var sharer = "https://plus.google.com/share?url=" + this.share_url;
		window.open(sharer, 'sharer', 'width='+this.window_width+',height='+this.window_height);
	}

	this.youtube = function(){
		var sharer = "http://www.youtube.com/"+this.youtube_name;
		window.open(sharer, 'sharer', 'width='+this.window_width+',height='+this.window_height);
	}

	this.mail = function(){
		var sharer = 'mailto:?subject=Olá, quero recomendar este produto para você&body=Creio que você tenha interesse neste produto,' +
		'veja mais detalhes sobre \"'+this.text+'\" aqui: ' + window.location;
		window.location=sharer;
	}

	this.pinterest = function(image, description) {

		(function(d){
			var f = d.getElementsByTagName('SCRIPT')[0], p = d.createElement('SCRIPT');
			p.type = 'text/javascript';
			p.async = true;
			p.src = '//assets.pinterest.com/js/pinit.js';
			f.parentNode.insertBefore(p, f);
		}(document));

		var sharer = "http://pinterest.com/pin/create/button/?url=" + this.share_url + "&media" +  encodeURIComponent(image) + "&description=" + encodeURIComponent(description);
		window.open(sharer, 'sharer', 'width='+this.window_width+',height='+this.window_height);
	}
	this.window_width = 626;
	this.window_height = 436;
	this.youtube_name = 'USER_NAME';
	this.text = encodeURIComponent(this.text);
	this.share_url = this.updateUrl();
};