function openUnder() {
    var links = [];
    links = document.getElementsByTagName('a');
    for (var i = 0; i < links.length; i++) {
        if (links[i].className != 'closewindow') {
            var windowAttributes = 'left=0,top=0,scrollbars=yes,location=yes,menubar=yes,toolbar=yes,status=yes,directories=yes,resizable=yes';
            openunder = function() { 
                newWindow = window.open(this.href,'Beeldbank',windowAttributes); // rino p. 928 
                self.blur(); 
                newWindow.focus(); 
                return false;
            };
            links[i].onclick= openunder;
            links[i].onkeypress = openunder;
        } else {
            if (links[i].addEventListener) {
                links[i].addEventListener('click', function(){window.close();return false;}, false);
            } else if (links[i].attachEvent) {
                links[i].attachEvent('onclick', function(){window.close();return false;});
            }
        }
    }
}

/* Onload function loads some scripts */
window.onload = function() {
    openUnder();
}