function newmarks(){
    var pass = 7*24;
    var content = '<spsn class="new">New!!<span>';
    var currentDate = new Date();

    var spans = document.getElementsByTagName('td');
    for (i = 0; i < spans.length; i++) {
        
        if(spans[i].getAttribute('class') == 'date' || spans[i].getAttribute('className') == 'date') {
            time = spans[i].innerHTML.split("-");
            var entryDate = new Date(time[0], time[1]-1, time[2]);
            var now = (entryDate.getTime() - currentDate.getTime())/(60*60*1000);
            now = Math.ceil(now);
            if(-now <= pass){
                spans[i].innerHTML = spans[i].innerHTML + content;
                /*spans[i].style.display = 'inline';*/
            }
        }
   }
}

window.onload = function(){
    newmarks();
};