function change_onglet(name) {

    document.getElementById('onglet' + name).className = 'actif';
   // document.getElementById('onglet_' + name).className = 'onglet_1 onglet';
    document.getElementById('contenu_onglet_' + anc_onglet).style.display = 'none';
    document.getElementById('contenu_onglet_' + name).style.display = 'block';
    //document.getElementById('contenu_onglet_'+name).style.border-bottom='none';

    anc_onglet = name;
    //alert(name);
}

function getParamValue(param, url) {
    var u = url == undefined ? document.location.href : url;

    var reg = new RegExp('(\\?|&|^)' + param + '=(.*?)(&|$)');
    matches = u.match(reg);
   // alert(matches);
    if (matches == null)
        return '';
    else
        return matches[2] != undefined ? decodeURIComponent(matches[2]).replace(/\+/g, ' ') : '';
}