function allvideostop (IDN){
         var x = document.getElementsByTagName("video");
         for (i = 0; i < x.length; i++) {
           if (IDN != x[i].id){
             var aud = document.getElementById(x[i].id);
           
             aud.pause();
             aud.currentTime = 0;
           }
         } 
       }