<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_psfjem52tifiqfdl0l2k7r29ia, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
sS hjs_sendWindowVisibilityToWebSocket() {
  ret hjs([[
    var isTabActive;
    
    function wsSendWindowVisibility() {
      console.log("isTabActive=" + isTabActive);
      if (wsReady) {
        console.log("Sending");
        ws.send(JSON.stringify({"isTabActive": isTabActive}));
      }
    }
    
    wsOnOpen(wsSendWindowVisibility);
  
    window.onfocus = function () { 
      isTabActive = true; 
      wsSendWindowVisibility();
    }; 
  
    window.onblur = function () { 
      isTabActive = false; 
      wsSendWindowVisibility();
    }; 
  ]]);
}