function setAjaxColumnMenu( folderName )
{
         document.getElementById('columnMenu').innerHTML = '<div align="center"><img src="/design/newspage/loading.gif" border="0"></div>';

         var req = new JsHttpRequest();
         req.onreadystatechange = function() {
             if (req.readyState == 4) {
                 document.getElementById('columnMenu').innerHTML = req.responseText;
             }
         }

         req.open('POST', '/ajax/columnMenu.php', true);
         req.send( { part: folderName } );

}