function tryStartPlayer(pid) {
   try {
       new allvideos.API(pid).play();
       // AvrPlay(pid);
   } catch (e) {
       // Starting the player may fail, if the page is not yet
       // fully loaded and it does not exist yet.
       // So we retry it a little bit later.
       window.setTimeout('tryStartPlayer("'+pid+'")', 500);
   }
}

function startPlayerOnce(id) {
   // Search for the cookie
   var nameEQ = 'pseen_'+id+'=';
   var ca = document.cookie.split(';');
   // Loop over all cookie vars
   for (var i = 0; i < ca.length; i++) {
      var c = ca[i];
      while (c.charAt(0) == ' ') {
          c = c.substring(1, c.length);
      }
      if (c.indexOf(nameEQ) == 0) {
         // If we arrive here, We found the
         // cookie and therefore simply return
         return;
      }
   }
   // If we arrive here, cookie wasn't found, so
   // let's create it and start the player.
   // The new cookie expires after one year.
   var now = new Date();
   now.setTime(now.getTime() + (365 * 24 * 60 * 60 * 1000));
   var expires = ' expires='+now.toGMTString()+';';
   // If you want the cookie last for only a session lifetime
   // (next visit, the video plays once again) the uncomment
   // the following line:
   //expires = '';
   document.cookie = nameEQ + '1;'+expires+' path=/';
   tryStartPlayer('p_'+id);
}