<!-- Paste this code into an external JavaScript file named: ajax_navagation.js  -->

/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Michael :: http://www.posters-bestellen.nl */

var please_wait = null;

function open_url(url, target) {
    if ( ! document.getElementById) {
          return false;
    }

    if (please_wait != null) {
          document.getElementById(target).innerHTML = please_wait;
    }

    if (window.ActiveXObject) {
          link = new ActiveXObject("Microsoft.XMLHTTP");
    } else if (window.XMLHttpRequest) {
          link = new XMLHttpRequest();
    }

    if (link == undefined) {
          return false;
    }
    link.onreadystatechange = function() { response(url, target); }
    link.open("GET", url, true);
    link.send(null);
}

function response(url, target) {
    if (link.readyState == 4) {
        document.getElementById(target).innerHTML = (link.status == 200) ? link.responseText : "Ooops!! A broken link! Please contact the webmaster of this website ASAP and give him the fallowing errorcode: " + link.status;
    }
}

function set_loading_message(msg) {
    please_wait = msg;
}