var getContentUrl = '/web/lib/ajax/get.content.php?id='; // The server-side scripts
var selectedTab = 1;

function getContent(tab, id, hash) {
   var myRandom = parseInt(Math.random() * 99999999);  // cache buster
   selectedTab = tab;
   http2.open("GET", getContentUrl + escape(id) + "&hash=" + escape(hash) + "&tab=" + escape(tab) + "&rand=" + myRandom, true);
   http2.onreadystatechange = handleGetTabContentHttpResponse;
   http2.send(null);
}

function handleGetTabContentHttpResponse()
{
   // connection established
   if(http2.readyState == 1)
   {
      document.getElementById('review-tabs-ajax-info').style.visibility='visible';
      document.getElementById('review-tabs-ajax-info').innerHTML = '&nbsp;&nbsp;<img src="/web/public/images/ind_circ.gif" height="10" width="10" alt=""> odota...<br>';
   }

   // finished      
   if (http2.readyState == 4)
   {
     document.getElementById('review-ajax-content').style.visibility='visible'; 
     document.getElementById('review-ajax-content').innerHTML = http2.responseText;
     document.getElementById('review-tabs-ajax-info').style.visibility='hidden';
     document.getElementById('review-tabs-ajax-info').innerHTML = '';
     document.getElementById('review-comments').style.visibility = 'visible';
     if (selectedTab == 1)
     {
        document.getElementById('review-tab-2').setAttribute('class', 'inactive');
        document.getElementById('review-tab-1').setAttribute('class', 'active');
     }
     else if (selectedTab == 2)
     {
        document.getElementById('review-tab-1').setAttribute('class', 'inactive');
        document.getElementById('review-tab-2').setAttribute('class', 'active');
     }
   }
}