var user_agent = navigator.userAgent.toLowerCase();

if((user_agent.indexOf('mobile') != -1) && (user_agent.indexOf('ipad') == -1)) {
   ur_product_id = window.location.pathname.match(/\d{6}/);
   
   if((ur_product_id != null)) {
     window.location = "http://m.ur.se/?id=" + ur_product_id;
   }
 }