function queryString(param){var strParam = new String(param);var position = window.location.search.indexOf('&' + strParam + '=');if (position==-1)position = window.location.search.indexOf('?' + strParam + '=');if (position==-1)return '';return (window.location.search.indexOf('&', position + strParam.length + 2)==-1)?window.location.search.substr(position + strParam.length + 2):window.location.search.substr(position + strParam.length + 2, window.location.search.indexOf('&', position + strParam.length + 2) - (position + strParam.length + 2));}function getPromotion(){try{if(queryString("promotion")){writeP();urlP();}}catch(err){}}function writeP(){var e=window.document.getElementById('cont_promotion');if(e){e.innerHTML=(queryString("du")==queryString("au"))?"D&eacute;part le "+dateFr(queryString("du"))+"<br>":"Dates de d&eacute;part entre le "+dateFr(queryString("du"))+" et le "+dateFr(queryString("au"))+"<br>";}}function urlP(){var elt1=window.document.getElementById("lienresa1");var elt2=window.document.getElementById("lienresa2");elt1.href=elt1.href+"?id_per="+queryString("id_per");elt2.href=elt2.href+"?id_per="+queryString("id_per");}function dateFr(dt){return dt.substring(0,2)+" "+dt.substring(2,(dt.length-4))+" "+dt.substring((dt.length-4),14);}