// First party cookie implementation for use on a site not using a WebTrends Analytics JS Tag.
// Apply this javascript to all page on the site (will work on just landing pages).
// Change @@CUSTID@@ in the last line to reflect the correct account number.

function DcsDynamicSearch(cid) {
    // private members
    var cname = "WT_DSAI";
    var wt = (typeof (WT) == "object") ? WT : {};

    // private methods
    function setAdInfo() {
        var value = getQueryParam("cshift_ck");
        if (value.length > 0) {
            var cur = new Date();
            var exp = new Date(cur.getTime() + 315360000000);
            document.cookie = cname + "=" + value + "; expires=" + exp.toGMTString() + "; path=/";
        }
    }
    function getQueryParam(key) {
        var qry = window.location.search.substring(1);
        if (qry.length > 0) {
            var params = qry.split("&");
            var count = params.length;
            for (var i = 0; i < count; i++) {
                var p = params[i].split("=");
                if (p[0] == key) {
                    return p[1];
                }
            }
        }
        return "";
    }

    function dcsGetCookie(name) {
        var cookies = document.cookie.split("; ");
        var cmatch = [];
        var idx = 0;
        var i = 0;
        var namelen = name.length;
        var clen = cookies.length;
        for (i = 0; i < clen; i++) {
            var c = cookies[i];
            if ((c.substring(0, namelen + 1)) == (name + "=")) {
                cmatch[idx++] = c;
            }
        }
        var cmatchCount = cmatch.length;
        if (cmatchCount > 0) {
            idx = 0;
            if ((cmatchCount > 1) && (name == dcsInit.fpc)) {
                var dLatest = new Date(0);
                for (i = 0; i < cmatchCount; i++) {
                    var lv = parseInt(dcsGetCrumb(cmatch[i], "lv"));
                    var dLst = new Date(lv);
                    if (dLst > dLatest) {
                        dLatest.setTime(dLst.getTime());
                        idx = i;
                    }
                }
            }
            return unescape(cmatch[idx].substring(namelen + 1));
        }
        else {
            return null;
        }
    }

    function dcsGetCrumb(cval, crumb) {
        var aCookie = cval.split(":");
        for (var i = 0; i < aCookie.length; i++) {
            var aCrumb = aCookie[i].split("=");
            if (crumb == aCrumb[0]) {
                return aCrumb[1];
            }
        }
        return null;
    }

    // privileged methods
    this.getClientId = function() {
        return cid;
    };
    this.getAdInfo = function() {
        return dcsGetCookie(cname) || "";
    };
    this.getIsNew = function() {
        return 1;
    };
    // read query parameter, set cookie
    setAdInfo();
}

var dcsDS = new DcsDynamicSearch(5204);