Steps to reproduce:
Steps:
I. Screens from Host context menu. Go to Problems, choose Host, select Host screens in context menu.
1. Screen in simple mode - SBox is not implemented
2. Screen in fullscreen mode - SBox is not implemented
3. Screen in Kiosk mode - SBox is pretending working, but doesn't select anything

II. Screens from Monitoring tab Go to Monitoring - Screens, Select created screen, for ex. Zabbix server.
1. Screen in simple mode - SBox is implemented and working
2. Screen in fullscreen mode - SBox is implemented and working
3. Screen in Kiosk mode - SBox is not implemented

Expected: on ALL screen pages in every mode (simple, fullscreen and kiosk) SBox should work.

Both this cases are actual for latest Firefox browser (Ubuntu 16: FF 61, Win7: FF 61) and Internet Explorer 11 on Win7.
In Chrome everything works correctly.