try{ ad_targeting_zone }catch(e){ var ad_targeting_zone = ''; }
try{ ad_targeting_ap }catch(e){ var ad_targeting_ap = ''; }
try{ ad_targeting_pg }catch(e){ var ad_targeting_pg = ''; }
try{ ad_targeting_sub }catch(e){ var ad_targeting_sub = ''; }
try { yahoo_site_section_name_list }catch(e) { var yahoo_site_section_name_list = [] }
try { yahoo_cstm_content_cat_list }catch(e) { var yahoo_cstm_content_cat_list = [] }
try { yahoo_content_type }catch(e) { var yahoo_content_type = '' }
try { yahoo_content_topic_id_list }catch(e) { var yahoo_content_topic_id_list = [] }

function js_list_to_csv(thelist) {
    try {
        return thelist.join(',')
    }
    catch(e) {
        return ''
    }
}