var catajax;

function DisplayCategories(catid) {
  if(catid!='0') {
    document.getElementById('loadingdiv').style.display='block';
    delete catajax;
    catajax = GetXmlHttpObject();
    catajax.onreadystatechange=catStateChanged;
    catajax.open("GET",'./bincms/getcatlists.php?cat='+catid,true);
    catajax.send(null);
  }
}

function catStateChanged() {
  if (catajax.readyState==4){
    if (catajax.status==200) { 
      var response = catajax.responseText;
      if(!response) {
        document.getElementById('loadingdiv').style.display='none';
        document.getElementById('ajaxdiv').innerHTML = '';
        var opencat = catajax.getResponseHeader('ShopCraft-CategoryOpen');
        OpenCat(opencat);
      } else {
        document.getElementById('loadingdiv').style.display='none';
        document.getElementById('ajaxdiv').innerHTML = response;
      }
    }
  }
}

function OpenCat(catnum) {
  window.location = 'lm.php?mod=products&catsel='+catnum;
}