var limit   = 3;
var xmlhttp = null;
var domObj  = null;
var start   = 0;

var MSXML_XMLHTTP_PROGIDS = new Array(
    'MSXML2.XMLHTTP.5.0', 'MSXML2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 
    'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP'
);

function xmlGetObj() {
  for (var i = 0; i < MSXML_XMLHTTP_PROGIDS.length; i++) {
      try {
          xmlhttp = new ActiveXObject(MSXML_XMLHTTP_PROGIDS[i]);
          return xmlhttp;
      } catch (e) {}
  }
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    xmlhttp = new XMLHttpRequest();
  }  
  return xmlhttp;
}

function xmlRequest(uri) {
  xmlhttp.open("GET", uri, false);
  xmlhttp.send(null);
  if  ( xmlhttp.status != 200 )
    alert ("XML request failed");
  else
    domObj = xmlhttp.responseXML;
}

function printNews(val) {
  var anchor, x, div;
  
  start += val;
  div = getObj('news');
  
  if(div && domObj ) {
    var items = domObj.getElementsByTagName('item');

    while(x = div.firstChild)
      div.removeChild(x);
    
    if (items.length) {
      for (var i = start; (i < items.length) && (i < start + limit); i++) {

        anchor = document.createElement('a');
        anchor.title = 'read more...'
        anchor.href = items[i].getElementsByTagName('link')[0].firstChild.nodeValue;
        anchor.style.borderBottom = 0;
        anchor.appendChild(document.createTextNode(
          (i+1) + '. ' + items[i].getElementsByTagName('title')[0].firstChild.nodeValue));
        div.appendChild(anchor);

        div.appendChild(document.createElement('br'));
        div.appendChild(document.createTextNode( 'on ' +
          items[i].getElementsByTagName('pubDate')[0].firstChild.nodeValue.substr(5, 11) 
        ));

        div.appendChild(document.createElement('br'));
      }
      
      div.appendChild(document.createElement('br'));
      
      if(start >= limit) {
        anchor = document.createElement('a');
        anchor.href = '#';
        anchor.onclick = function() { return printNews(-limit); }
        anchor.title = 'prev';
        anchor.appendChild(document.createTextNode('<<  '));
        div.appendChild(anchor);
      }
      
      anchor = document.createElement('a');
      anchor.href = 'g.php?f=news';
      anchor.appendChild(document.createTextNode('all news...'));
      div.appendChild(anchor);
    
      if(start + limit < items.length) {
        anchor = document.createElement('a');
        anchor.href = '#';
        anchor.onclick = function() { return printNews(limit); }
        anchor.title = 'next';
        anchor.appendChild(document.createTextNode('  >>'));
        div.appendChild(anchor);
      }
    }
  }
  return false;
}

function GetXmlNews()
{
  if(xmlGetObj())
  xmlRequest('g.php?f=xml/en.xml');  printNews(start);
}