<a href="#" class="limited_item" style="display:none">Download</a>
<span id="denined_url" style="display:none"> Внимание: Достигнут лимит на скачивание. Приходите завтра =) </span>

<script type="text/javascript">

var q = 10;  
var user = 'limmm' + '$USER_ID$'
var userTime = user + 't';
var ulim = +localStorage.getItem(user);
var url = $('.limited_item');   
url.click(function() { limitPlus(user) });
       
        
       function checkLimit(n) {
         var nn = checkTime(n);
       if(nn<q) {   
             url.show();  
       } else {  
            url.remove();  
            $('#denined_url').show();
       }
       }
        
       function checkTime(n) {
         var now = new Date().getHours();
         var last = localStorage.getItem(userTime);
         if(last==null) {
           return '0'
         } else if(+last>now) {
            localStorage.setItem(user, '1');
            return '1';
         } else {
           return n;
         }
       }
        
       function limitPlus(u) {
         var nowH = new Date().getHours();
         localStorage.setItem(userTime, nowH);  
          
         var num = +localStorage.getItem(user);
         if(num) {  
           num++
           localStorage.setItem(user, num);
           checkLimit(num)
         } else {
           localStorage.setItem(user, '1');
           checkLimit('1')
         }
       }
        

       checkLimit(ulim);

       </script>