var ArticleRequest;

function ArticleRequestQuery( url ) {
    ArticleRequest = false;

     // branch for native XMLHttpRequest object
    if( window.XMLHttpRequest ) {

        try {
            ArticleRequest = new XMLHttpRequest();
        } catch( e ) {
            ArticleRequest = false;
        }

    // branch for IE/Windows ActiveX version
    } else if( window.ActiveXObject ) {

        try {

            ArticleRequest = new ActiveXObject( "Msxml2.XMLHTTP" );

        } catch( e ) {

            try {
                ArticleRequest = new ActiveXObject( "Microsoft.XMLHTTP" );
            } catch( e ) {
                ArticleRequest = false;
            }

        }

    }

    if( ArticleRequest ) {
        ArticleRequest.onreadystatechange = processArticleRequestQuery;
        ArticleRequest.open("GET", url, true);
        ArticleRequest.send("");
    }

}

function processArticleRequestQuery() {
    if( ArticleRequest.readyState == 4 ) {
        if( ArticleRequest.status == 200 ) {

            document.getElementById('articleMenu').innerHTML = ArticleRequest.responseText;

        }
    }
}


function updateArticleMenu( expand ) {
    ArticleRequestQuery( "http://www.interweb.no/includes/article_menu.php?expand=" + expand );
}