/* Sophus3 content request. http://www.Sophus3.com
* Copyright (c) Sophus3 Ltd 2001-2009. All rights reserved. Patent Pending.
* Version 3.4
*/

function tc_configured() {
    tc_tag_version = "3.4";
    tc_dtimeout = 5000;
    tc_d_loc = window.location;
    tc_sent = 0;
    if (typeof tc_server_url == tc_ud || typeof tc_site_id == tc_ud) return false;
    if (typeof tc_log_page == tc_ud || tc_log_page == "") tc_log_page = "logging.html";
    tc_layer = (document.layers ? 1 : 0);
    tc_frame = (document.getElementById || document.all ? 1 : 0);
    tc_timeout = (typeof tc_timeout == tc_ud ? tc_dtimeout : tc_timeout * 1000);
    tc_encfn = (typeof encodeURIComponent != tc_ud ? encodeURIComponent : escape);
    tc_http = "http" + (tc_d_loc.href.substring(0, 6) == "https:" ? "s" : "") + "://";
    tc_server_url = tc_http + tc_server_url;
    tc_url = ((typeof tc_page_alias != tc_ud) ? tc_page_alias : tc_d_loc.href);
    if (typeof tc_extra_info != tc_ud) tc_url += (tc_url.indexOf("?") > 0 ? "&" : "?") + tc_extra_info;
    tc_extra_info = "";
    tc_products = (typeof tc_products == tc_ud ? "" : tc_products);
    tc_ccs = new Array();
    tc_referrer = (typeof tc_referrer != tc_ud && tc_referrer != "" && tc_referrer != null ? tc_referrer : (typeof document.referrer == tc_ud ? tc_ud : (document.referrer == null ? "null" : (document.referrer == "" ? "empty" : document.referrer))));
    tc_time = new Date().getTime();
    return true;
}

function tc_log(alias, products, displayed) {
    if (!tc_logging_active) return;
    alias = tc_fixURL(alias);
    tc_image = new Image();
    tc_image.src = tc_get_log_URL("i", alias, tc_products, new Date().getTime(), displayed);
}

function tc_redirect(target, url, alias, winproperties, products, script) {
    if (typeof url == tc_ud || url == "") return;
    if (typeof script == tc_ud || script == "") script = "tc_d_loc.href='" + url + "'";
    url = tc_fixURL(url);
    if (typeof alias == tc_ud) alias = url;
    alias = tc_fixURL(alias);
    if (typeof target == tc_ud || target == "" || target == "_self") {
        if (tc_logging_active) {
            tc_timer = new Image();
            tc_timer.onload = function() { eval(script); clearTimeout(tc_timeout_id); }
            tc_timer.onerror = function() { eval(script); clearTimeout(tc_timeout_id); }
            tc_timer.src = tc_get_log_URL("i", alias, products, new Date().getTime());
            tc_timeout_id = setTimeout(script, tc_timeout);
        } else { eval(script); }
    } else if (typeof target == "object" && target.document) {
        if (tc_logging_active) { tc_timer = new Image(); tc_timer.src = tc_get_log_URL("i", alias, products); }
        target.location.href = url;
    } else { return tc_open_window(target, url, alias, winproperties, products); }
}

function tc_open_window(name, url, alias, winproperties, products) {
    if (typeof url == tc_ud || url == "") return false;
    if (tc_logging_active) { tc_timer = new Image(); tc_timer.src = tc_get_log_URL("i", alias, products, new Date().getTime()); }
    if (typeof winproperties == tc_ud) return window.open(url, name);
    else { return window.open(url, name, winproperties) }
}

function tc_dltime() {
    if (!(document.getElementById || document.all)) return false;
    if (tc_logging_active && (typeof tc_done != "undefined") && tc_done && !tc_sent) { setTimeout("tc_dltime()", 1000); return false; }
    var sent = tc_sent;
    tc_image = new Image();
    tc_image.src = tc_get_log_URL("d");
    return sent;
}

function tc_get_log_URL(type, locn, products, time, displayed) {
    if (typeof type == tc_ud) type = 'i';
    var url = tc_server_url + "/" + type + "?siteID=" + tc_site_id;
    if (type != "d") {
        url += "&ts=" + (typeof time != tc_ud ? time : tc_time);
        var al = tc_isAlias(locn);
        if (typeof tc_containers != tc_ud) for (cc in tc_containers) url += "&ccID=" + tc_containers[cc];
        if (type == "c") url += "&log=no";
        if (al) url += "&alias=true";
        if ((typeof products != tc_ud) && products.length) url += "&prod=" + tc_encfn(products);
        if (typeof displayed != tc_ud) url += displayed;
        if (locn == tc_ud) locn = tc_d_loc;
        locn = tc_encfn(locn);
        while (locn.length > 1999 - url.length) locn = locn.substring(0, locn.lastIndexOf(tc_encfn("&")));
        url += "&location=" + locn;
        var dg = new Object();
        dg.tagv = tc_tag_version;
        dg.tz = 0 - (new Date().getTimezoneOffset());
        dg.r = tc_encfn(tc_referrer);
        if (al) dg.aliased = tc_encfn(tc_d_loc.href);
        dg.title = tc_encfn(document.title);
        if (screen) { dg.cd = screen.colorDepth; dg.ah = screen.availHeight; dg.aw = screen.availWidth; dg.sh = screen.height; dg.sw = screen.width; dg.pd = screen.pixelDepth; }
        for (var key in dg) { var param = "&" + key + "=" + dg[key]; if (url.length + param.length < 2000) url += param; else break; }
    } else {
        url += "&dlts=" + tc_time + "&dl=" + (new Date().getTime() - tc_time);
    }
    return url;
}

function tc_fixURL(url) {
    if (url == "") { return tc_d_loc.href }
    if ((url.substring(0, 4) != 'http') && (url.substring(0, 1) != "/")) { url = tc_d_loc.pathname.substring(0, tc_d_loc.pathname.lastIndexOf('/') + 1) + url }
    if (url.substring(0, 1) == "/") { url = tc_http + tc_d_loc.host + url }
    return url;
}

function tc_isAlias(alias) {
    alias = (typeof alias != tc_ud ? alias : (typeof tc_page_alias == tc_ud ? "" : tc_page_alias));
    alias = tc_fixURL(alias);
    if (alias.indexOf("?") > 0) alias = alias.substring(0, alias.indexOf("?"));
    return (alias != tc_http + tc_d_loc.host + tc_d_loc.pathname);
}

function tc_loader() {
    tc_ud = "undefined";
    if (typeof tc_log_path == tc_ud || tc_log_path == "") tc_log_path = "/touchclarity";
    if ((typeof tc_containers != "undefined") && (tc_containers.length > 0)) { document.write("<scr" + "ipt language='JavaScript' type='text/javascript' src='" + tc_log_path + "/optimise.js'></scr" + "ipt>\n"); }
    else {
        if (tc_logging_active && tc_configured() && (typeof tc_done == tc_ud || tc_done == false)) {
            url = tc_fixURL(tc_url);
            tc_image = new Image();
            tc_image.onload = function() { tc_sent = true; }
            tc_image.src = tc_get_log_URL("i", url, tc_products, tc_time);
        }
        tc_done = true;
    }
}

tc_loader();