function proceedData(socialNetwork) {}
  
 function facebookDialog(message_title, message_text, site_url, icon_url) {
    if(!site_url) site_url = '';
    if(!icon_url) icon_url = '';
     
    window.open('http://www.facebook.com/sharer.php?s=100&p[title]=' + encodeURIComponent(message_title) +'&p[url]=' + encodeURIComponent(site_url) + '&p[images][0]=' + encodeURIComponent(icon_url) + '&p[summary]='+ encodeURIComponent(message_text), 'facebookSharer', 'toolbar=0,status=0,width=626,height=436');
    proceedData('facebook');
  }

  function twitterDialog(tweetText, tweetUrl) {
    if(!tweetUrl) tweetUrl = '';
   
    window.open('http://twitter.com/intent/tweet?text=' + encodeURIComponent(tweetText) +'&url=' + encodeURIComponent(tweetUrl), 'twitterSharer', 'toolbar=0,status=0,width=626,height=436');
    proceedData('twitter');
  }

  function vkontakteDialog(message_title, message_text, site_url) {
    window.open('http://vkontakte.ru/share.php?title=' + encodeURIComponent(message_title) + '&description=' + encodeURIComponent(message_text) + '&url=' + encodeURIComponent(site_url), 'vkontakteSharer', 'toolbar=0,status=0,width=626,height=436');
    proceedData('vkontakte');
  }
  
  function MailruDialog(message_title, message_text, site_url) {
    window.open('http://connect.mail.ru/share?title=' + encodeURIComponent(message_title) + '&description=' + encodeURIComponent(message_text) + '&url=' + encodeURIComponent(site_url), 'mailruSharer', 'toolbar=0,status=0,width=626,height=436');
    proceedData('vkontakte');
  }