/**
    * Elsevier Commercial Sales Magazines
    * Public
    * Ad rotator
    *
    * @requires /cp/cp.js;/cp/cp.ajax.js
    * @namespace cp.articles
    * @version 1
    */

    cp.namespace('cp.advertising');

    cp.advertising = {
        useFullPath: false,
        rotateAdvert: function(iframe, areaId, categoryId) {
            var optionalParamaters = arguments[3];
            var iframesrc = '/content/advert/advert.aspx?AreaId=' + areaId;

            if (categoryId != '0')
                iframesrc = iframesrc + '&CategoryId=' + categoryId;
            if (optionalParamaters != null)
                iframesrc = iframesrc + '&' + optionalParamaters;

            if (parent.window['ref_finance'] == 'true') {
                this.useFullPath = true;
            }

            if (this.useFullPath) {
                iframesrc = 'http://www.renewableenergyfocus.com' + iframesrc;
            }

            $(iframe).src = iframesrc;

            var timeout = setTimeout("cp.advertising.rotateAdvert('" + iframe + "', " + areaId + ", " + categoryId + ", " + optionalParamaters + ");", 20000);
        }
    };