var FT = window.FT || {};

FT.env =
{
    // THIRD PARTY CUSTOMISATION HERE
    'dfp_site': 'fdi.5887.foreign-direct-inv',
    'dfp_zone': 'atlas-run-of-site', // default the zone to the fdi site.
    'targeting': '',
    'formats': {
        'banlb': '468x60,728x90;dcopt=ist', 
        'mpu': '300x250'
    },
    'audSciLimit': 10,
    // END THIRD PARTY CUSTOMISATION

    'server': '',
    'method': '/adj/',
    'ord': Math.floor(Math.random() * 1E16),
    'tile': 0,
    'Requests': {},
    'getAudSci': function(cookie) {
        var ft = this;
        ft.cookie = cookie === undefined ? document.cookie : cookie;
        ft.audSci = '';

        if (ft.audSciLimit) {
            var rsiSegs = ft.cookie.replace(/^.*\brsi_segs=([^;]*).*$/, '$1');
            if (rsiSegs !== ft.cookie) {
                var Segments = rsiSegs.split(/\|/);
                var Found = [];
                for (var idx = 0; Found.length < ft.audSciLimit && idx < Segments.length; ++idx) {
                    var segment = Segments[idx];
                    if (segment.match(/^J07717_/)) {
                        segment = segment.replace(/^J07717_/, '');
                        segment = ';a=z' + (parseInt(segment, 10) - 10000);
                        Found.push(segment);
                    }
                }
                ft.audSci = Found.join('');
            }
        }
        return ft.audSci;
    },
    'getURL': function(pos) {
        var ft = this;
        ft.url = undefined;
        ft.URLParts = undefined;
        ft.pos = pos;
        ft.sz = ft.formats[ft.pos];
        if (ft.audSci === undefined) {
            ft.audSci = ft.getAudSci(ft.cookie);
        }
        if (ft.sz) {
            ft.URLParts = ['http://ad.', ft.server, 'doubleclick.net', ft.method, ft.dfp_site, '/', ft.dfp_zone, ';sz=', ft.sz, ';pos=', ft.pos, ft.targeting, ft.audSci, ';tile=', ++ft.tile, ';ord=', ft.ord, '?'];
            ft.url = ft.URLParts.join('');
        }
        ft.Requests[ft.pos] = ft.url;
        return ft.url;
    },
    'getTag': function(pos) {
        var ft = this;
        ft.tag = undefined;
        ft.Parts = undefined;
        var url = ft.getURL(pos);
        if (url) {
            ft.Parts = ['<', 'script type="text/javascript" src="', url, '"><', '/script>'];
            ft.tag = ft.Parts.join('');
        }
        return ft.tag;
    },
    'adCall': function(pos) {
        var tag = this.getTag(pos);
        if (tag) {
            document.write(tag);
        }
    },
    '_': '_'
};