function gup(name, id) {
    name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regexS = "[\\?&]" + name + "=([^&#]*)";
    var regex = new RegExp(regexS);
    var results = regex.exec(window.location.href);
    if (results == null)
        return "";
    else
        if (name == 'link') {
            sublinksid = results[1];
        }
    if (results[1] !== 'mainpage') { // mainpage indicates a landing page without selection of sublinks
        document.getElementById(id + results[1]).setAttribute("class", "active");
        document.getElementById(id + results[1]).setAttribute("className", "active"); // for IE7
    }
    if (id !== 'button_' || results[1] == 'mainpage') {
        document.getElementById('sublinks_' + sublinksid).style.display = 'block';
    }
    if (results[1] == 'meedoen') { //added styling to make template independant
        //document['logotext'].src = 'images/logotext_meedoen.png';
       
        document.getElementById('logotexttext').innerHTML='Meedoen aan Onderzoek';
    }
    if (results[1] == 'wat') { //added styling to make template independant
        //document['logotext'].src = 'images/logotext_wat.png';
        document.getElementById('logotexttext').innerHTML='Opdrachtgevers';


    }
}