function newwin_events() {

    var lists = document.getElementById('content').getElementsByTagName('ul');

    for (var i = 0; i < lists.length; i++) {

        var links = lists[i].getElementsByTagName('a');

        for (var x = 0; x < links.length; x++) {

            if (links[x].className.indexOf('newwin') == -1) {
    			links[x].onclick = function () { window.open(this.getAttribute('href')); return false; };
    			links[x].onkeypress = links[x].onclick;
            }

        }

    }

}

addLoadEvent(newwin_events);