замечательное

[shukshin]

Решил, что сюда буду интересные прогерские штуки постить, а то теряю
http://sapegin.github.com/social-likes - число лайков по урлу показывает

взято тут http://finparty.ru/section/opinions/18373/
/**
* Social Likes
* http://sapegin.github.com/social-likes
*
* Sharing buttons for Russian and worldwide social networks.
*
* @version 1.2.2
* @requires jQuery 1.6
* @author Artem Sapegin
* @copyright 2011 Artem Sapegin (sapegin.ru)
* @license MIT
*/

(function($){

var socialLikes = function() {
this.init();
};

socialLikes.prototype = {
init: function() {
this.counters = {};

var containers = $('.social-likes');

// Dirty hack for G+ button but I cannot find a better solution yet
if ($.browser.msie && $.browser.version <= 9) {
containers.addClass('social-likes-msie-lte9');
}

containers.each($.proxy(this.initWidget, this));
},

initWidget: function(idx, container) {
$(container).find('li').each($.proxy(this.findButtons, this));
},

findButtons: function(idx, li) {
var buttonWrapper = $(li),
container = buttonWrapper.closest('.social-likes'),
pageUrl = this.getPageUrl(container),
escapedPageUrl = escape(pageUrl);

if (!this.counters[pageUrl]) this.counters[pageUrl] = {};
var counters = this.counters[pageUrl];

var classes = buttonWrapper[0].className.split(' ');
for (var classIdx = 0; classIdx < classes.length; classIdx++) {
var cls = classes[classIdx];
switch(cls) {
case 'twitter':
this.loadCount(cls, 'http://urls.api.twitter.com/1/urls/count.json?callback=?',
{url: pageUrl}, pageUrl, buttonWrapper, function(data) { return data.count; });

this.initButton({
url: pageUrl,
urlParam: 'url',
textParam: 'text',
additionalParams: ['via', 'related'],
popupUrl: 'http://twitter.com/share',
pupupWidth: 550,
popupHeight: 450
}, buttonWrapper, cls);

break;

case 'facebook':
this.loadCount(cls, 'https://api.facebook.com/method/fql.query?query=select total_count from link_stat where url="' +
escapedPageUrl + '"&format=json&callback=?',
{}, pageUrl, buttonWrapper, function(data) { return data[0] && data[0].total_count; });

this.initButton({
url: pageUrl,
urlParam: 'u',
textParam: 't',
popupUrl: 'http://www.facebook.com/sharer.php',
pupupWidth: 550,
popupHeight: 450
}, buttonWrapper, cls);

break;

case 'plusone':
this.initButton({
url: pageUrl,
urlParam: 'url',
popupUrl: 'https://plus.google.com/share',
pupupWidth: 700,
popupHeight: 500
}, buttonWrapper, cls);

break;

case 'mailru':
this.loadCount(cls, 'http://connect.mail.ru/share_count?func=?', {
url_list: pageUrl,
callback: 1
}, pageUrl, buttonWrapper, function(data) { return data[pageUrl] && data[pageUrl].shares; });

this.initButton({
url: pageUrl,
urlParam: 'share_url',
popupUrl: 'http://connect.mail.ru/share',
pupupWidth: 550,
popupHeight: 360
}, buttonWrapper, cls);

break;

case 'vkontakte':
if (!this._vkontakte) {
this._vkontakte = [];
window.VK = {Share: {count: $.proxy(function(idx, count) {
this.updateCount(this._vkontakte[idx], count);
}, this)}};
}
var index = this._vkontakte.length;
this._vkontakte[index] = buttonWrapper;
this.loadCount(cls, null, null, pageUrl, buttonWrapper, null, function() {
$.ajax({
url: 'http://vkontakte.ru/share.php?act=count&index=' + index + '&url=' + escapedPageUrl,
dataType: 'jsonp'
});
});

this.initButton({
url: pageUrl,
urlParam: 'url',
textParam: 'title',
popupUrl: 'http://vkontakte.ru/share.php',
pupupWidth: 550,
popupHeight: 330
}, buttonWrapper, cls);

break;

case 'odnoklassniki':
if (!this._odnoklassniki) {
this._odnoklassniki = [];
window.ODKL = {updateCount: $.proxy(function(idx, count) {
this.updateCount(this._odnoklassniki[idx], count);
}, this)};
}
var index = this._odnoklassniki.length;
this._odnoklassniki[index] = buttonWrapper;
this.loadCount(cls, null, null, pageUrl, buttonWrapper, null, function() {
$.ajax({
url: 'http://www.odnoklassniki.ru/dk?st.cmd=extLike&uid=' + index + '&ref=' + escapedPageUrl,
dataType: 'jsonp'
});
});

this.initButton({
url: pageUrl,
urlParam: 'st._surl',
popupUrl: 'http://www.odnoklassniki.ru/dk?st.cmd=addShare',
pupupWidth: 550,
popupHeight: 360
}, buttonWrapper, cls);

break;

case 'livejournal':
var button = buttonWrapper.find(':submit');
var newLink = $(' ' + button.val() + '');
newLink.click(function(){ $(this).closest('form').submit(); });
if (button.attr('title')) {
newLink.attr('title', button.attr('title'));
}
button.hide();
button.after(newLink);
break;

case 'code':
var link = buttonWrapper.find('a');
link.click($.proxy(function(){
var balloon = buttonWrapper.find('.social-balloon');
if (balloon.length) {
balloon.toggle();
}
else {
balloon = $([
'
',
'',
'Скопируйте код в буфер обмена:
',
'',
''
].join(''));
link.after(balloon);
var textarea = buttonWrapper.find('textarea');
var messageField = container.find('.livejournal input[name="event"]');
if (!messageField.length) messageField = container.find('.code input[name="event"]');
textarea.val(messageField.val());
this.selectTextInTextarea(textarea);
}

if (balloon.is(":visible")) {
$(document).bind('click.social-hide-code', function(e){
if (!$(e.target).hasClass('social-code-area')) {
balloon.hide();
$(document).unbind('click.social-hide-code');
}
return true;
});
}

return false;
}, this));

break;
}

// Icon container
buttonWrapper.find('a').prepend('');
}
},

initButton: function(params, buttonWrapper, buttonName) {
var link = buttonWrapper.find('a');

var query = {};
if (params.urlParam)
query[params.urlParam] = params.url;
if (params.textParam)
query[params.textParam] = document.title;
if (params.additionalParams) {
for (var paramIdx = 0; paramIdx < params.additionalParams.length; paramIdx++) {
var key = params.additionalParams[paramIdx];
if (link.data(key))
query[key] = link.data(key);
}
}

var this_ = this;
link.click(function(){
var paramsSeparator = params.popupUrl.indexOf('?') === -1 ? '?' : '&';
this_.openWindow(params.popupUrl + paramsSeparator + this_.getQuery(query), {
width: params.pupupWidth,
height: params.popupHeight,
name: 'share_' + buttonName
});
return false;
});
},

loadCount: function(id, url, params, pageUrl, buttonWrapper, getNumber, request) {
if (!this.counters[pageUrl]) this.counters[pageUrl] = {};
var counters = this.counters[pageUrl];

if (counters[id] === undefined) {
if (request) {
request();
}
else {
$.getJSON(url, params, $.proxy(function(data){
var number = getNumber(data);
this.updateCount(buttonWrapper, number);
counters[id] = number;
}, this));
}
counters[id] = true;
}
else if (counters[id] !== true) {
this.updateCount(buttonWrapper, counters[id]);
}
},

updateCount: function(buttonWrapper, count) {
count = parseInt(count, 10);
var counter = buttonWrapper.find('b i i');
if (counter.length) {
counter.html(count);
}
else {
if (count) {
buttonWrapper.children("a").append('' + count + '');
}
}
},

openWindow: function(url, params) {
var left = Math.round((screen.width / 2) - (params.width / 2));
var top = 0;
if (screen.height > params.height) {
top = Math.round((screen.height / 3) - (params.height / 2));
}
var win = window.open(url, params.name, "left=" + left + ",top=" + top + ",width=" + params.width + ",height=" + params.height + ",personalbar=0,toolbar=0,scrollbars=1,resizable=1");
if (win) {
win.focus();
} else {
window.location.href = url;
}
},

getPageUrl: function(buttonWrapper) {
return buttonWrapper.data('url') || window.location.href.replace(window.location.hash, '');
},

getQuery: function(params) {
var query = [];
for (var key in params) {
query.push(key + '=' + encodeURIComponent(params[key]).replace(/\+/g, '%2B'));
}
return query.join('&');
},

selectTextInTextarea: function(elem) {
this.selectTextRange(elem, 0, elem.val().length);
},

selectTextRange: function(elem, start, end) {
elem = elem[0];
if (elem.setSelectionRange) {
elem.focus();
elem.setSelectionRange(start, end);
}
else if (elem.createTextRange) {
var range = elem.createTextRange();
range.collapse(true);
range.moveEnd('character', end);
range.moveStart('character', start);
range.select();
}
}
};

if (document.body) {
new socialLikes();
}
else {
$(function() { new socialLikes(); });
}

})(jQuery);