$(function() {

    var strReferrer = document.referrer.toLowerCase();
    var blnSearchReferral = false;
    var blnInsiteReferral = false;
    var str = "";
    var strSite = "";

    if (strReferrer.length == 0) {
        str += 'We think you will find one of the following links useful:<\/p>';
        $('#divContentStart').html(str);
        WriteHelpfulLinksContent();
    }

    if (strReferrer.length != 0) {
        if ((strReferrer.indexOf(".looksmart.co") > 0) || (strReferrer.indexOf(".bing.co") > 0) || (strReferrer.indexOf(".ask.co") > 0) || (strReferrer.indexOf("google.co") > 0) || (strReferrer.indexOf("altavista.co") > 0) || (strReferrer.indexOf("msn.co") > 0) || (strReferrer.indexOf("yahoo.co") > 0)) {
            blnSearchReferral = true;
            //get site domain — split at the first forward-slash
            var arrSite = strReferrer.split("/");
            // now find search parameters
            var arrParams = strReferrer.split("?");
            var strSearchTerms = arrParams[1];
            arrParams = strSearchTerms.split("&");

            strSite = arrSite[2];
            var sQryStr = "";

            //define what search terms are in use by the different engines
            var arrQueryStrings = new Array();
            arrQueryStrings[0] = "q=";  //google, altavista, msn
            arrQueryStrings[1] = "p=";  //yahoo
            arrQueryStrings[2] = "ask=";  //ask jeeves
            arrQueryStrings[3] = "key=";  //looksmart

            for (i = 0; i < arrParams.length; i++)
            //loop through all the parameters in the referring page’s URL
            {
                for (q = 0; q < arrQueryStrings.length; q++) {
                    sQryStr = arrQueryStrings[q];
                    if (arrParams[i].indexOf(sQryStr) == 0) {//we’ve found a search term!
                        strSearchTerms = arrParams[i];
                        strSearchTerms = strSearchTerms.split(sQryStr);
                        strSearchTerms = strSearchTerms[1];
                        strSearchTerms = strSearchTerms.replace("+", " ");
                    }
                }
            }

            //Tell the visitor what site is at fault, what the search terms were
            $('#divContent').html("<p>You did a search on <strong><a href='" + strReferrer + "' target='_blank'>" + strSite + "<\/a> <\/strong> for \"<strong>" + strSearchTerms + "<\/strong>\". However, their index appears to be out of date.<\/p><h2>All is not lost!<\/h2><p>We think that the following page(s)on our site will be able to help you:<\/p>");

        }

        if (!blnSearchReferral) {
            strSite = strReferrer;
            strSite = strSite.split("/");
            strSite = strSite[2];
            $('#divContentStart').html("<p>You were incorrectly referred to this page by: <strong><a href='" + strReferrer + "'target='_blank'>" + strSite + "</a></strong><br />We suggest you try one of the links below:</p>");
            WriteHelpfulLinksContent();
        }
    }
});

function WriteHelpfulLinksContent() {
    var str = "";
    var home = $('.hidHomePage').val();
    var sitemap = $('.hidSiteMap').val();

    str += '<br /><a href="' + home + '">Home Page<\/a><br />';
    str += '<a href="' + sitemap + '">Site Map<\/a>';
    str += '<hr \/>';
    str += '<p><strong>You may not be able to find the page you were after because of:<\/strong><\/p>';
    str += '<ol type="a">';
    str += ' <li>An <strong>out-of-date bookmark\/favorite<\/strong><\/li>';
    str += ' <li>A search engine that has an <strong>out-of-date listing for us</strong><\/li>';
    str += ' <li>A <strong>mis-typed address</strong><\/li>';
    str += '<\/ol>';
    $('#divContent').html(str);
}