/**
 * @description
 * Ads from AdTech
 */
var ads = {

    // Site ID
    networkId:'1044.1',

    // Mapping between real ad sizes and AdTech size id's
    sizes:{
            '768x150':316,
            '180x500':339,
            '468x400':261,
            '180x150':169,
            '180x60':340,
            '300x250':170
    },


    /**
     * @description
     * Injects an AdTech ad at the spot where the script is executed
     *
     * @example
     * ads.spot('nrk/sport/sykkel','toppknapp/180x150',2428375);
     *
     * @param page          {String}    Name of the page the ad is included at. Used as prefix in the "alias" provided to AdTech.
     * @param spot          {String}    Name of the ad spot on the page where the ad is injected. Used as postfix in the "alias" provided to AdTech.
     * @param placementId   {int}       Placement ID of the spot in AdTech. This parameter is optional.
     */
    spot:function(page, spot){
        if(page && spot){
            var size = spot.split('/')[1];
            var pId = arguments[2] || -1; 
            var url = 'http://adserver.adtech.de/addyn|3.0|' + ads.networkId + '|' + pId + '|0|' + ads.sizes[size] + '|ADTECH;cookie=info;alias=' + page + ':' + spot + ';loc=100;size=' + size + ';target=_blank;misc=' + new Date().getTime();
            document.write('<script type=\"text/javascript\" src=\"' + url + '\"> <\/script>');
        }
    }

};


/**
 * @description
 * Bridge between Open Ad Stream function calls and Ad Tech. This bridge take use of Open Ad Stream function calls and
 * maps them to Ad Tech function calls. To use this bridge a config which maps the Open Ad Stream spots to Ad Tech must
 * be provided. Please see example on how the configurations should be. If no configuration is provided the bridge will
 * operate as an empty function doing nothing. This will prevent call to a non existing function.
 *
 * NOTE: The config must be provided before this script is included.
 *
 * @example
 * var adTechPositions = {
 *     'Top':{'name':'toppbanner/768x150'},
 *     'Right1':{'name':'toppknapp/180x150'},
 *     'page':'nrk/sport/sykkel'
 * };
 *
 * @param   spot    {String}    Name of the Open Ad Stream spot
 */
if(!OAS_RICH){
    var OAS_RICH = function(spot){
        if(typeof adTechPositions !== undefined){
            if(adTechPositions[spot] && adTechPositions['page']){
                ads.spot(adTechPositions['page'], adTechPositions[spot].name);
            }
        }
    };
}