// script PHP che effettua l'update della lista delle sottocategorie
var site_request_sub_categories_script = "site_request_sub_categories.php";
// oggetto XMLHttpRequest
var objSiteRequestSubCategories = InitXMLHttpRequest();

//-----------------------------
// Invio di una richiesta POST
//-----------------------------
function UpdateSubCategory(cat_id){
	try{
		objSiteRequestSubCategories.open('POST', site_request_sub_categories_script+"?id="+cat_id, true);
		objSiteRequestSubCategories.setRequestHeader("content-type", "application/x-www-form-urlencoded");
		objSiteRequestSubCategories.setRequestHeader("connection", "close");
		objSiteRequestSubCategories.send(null);		
		objSiteRequestSubCategories.onreadystatechange = function(){
			if (objSiteRequestSubCategories.readyState == myConst.LOADED){
				try{
					if (objSiteRequestSubCategories.status == myConst.SUCCESSFUL_HTTP_REQUEST) { UpdateSubCategoryParseStream(); }
					else { }
				}	catch (e) { }
			}
		}
	}
	catch (e) { }
}

//------------------------------------------------
// Effettua il parsing del testo letto dal server
//------------------------------------------------
function UpdateSubCategoryParseStream(){
	stream = unescape(objSiteRequestSubCategories.responseText);
	document.getElementById("search-sub-category").innerHTML = stream;
}