function after_firma_click(http_request)
{
if (http_request.readyState == 4)
   {
      if (http_request.status == 200)
      {
         //alert(http_request.responseText);
      }
   }
}


function firma_click(firma_id)
{
   var http_request = false;

   if (window.XMLHttpRequest)
   {
      http_request = new XMLHttpRequest();
   }
   else if (window.ActiveXObject)
   {
      http_request = new ActiveXObject("Microsoft.XMLHTTP");
   }
   nocache = Math.random();
   
   http_request.onreadystatechange = function() { after_firma_click(http_request) };
   http_request.open('GET', '/usr_bin/firma_click.php?firma_id='+firma_id+'&nocache='+nocache, true);
   http_request.send(null);

   //alert(firma_id);
}