function bezpecne_emaily() {
  spany = document.getElementsByTagName("span");

  for(i = 0; i < spany.length; i++) {
    if(spany[i].className == '{email}') {
      
      mail = spany[i].innerHTML.replace(new RegExp(/<[^>]*>/),"@");
      mail_s_obrazkem = spany[i].innerHTML;
      spany[i].innerHTML = "";
      //alert(mail);
      
      link = document.createElement('a');
      link.innerHTML = mail;
      link.setAttribute('href','mailto:'+mail);
      spany[i].appendChild(link);
      
      
    }
    
  }
}
window.onload = bezpecne_emaily;