Habr navigation using the keyboard

Wrote a small userscript that adds navigation using the keyboard on Habr.

• PageDown - Go to the next post
• PageUp - Go to previous post
• Enter - Open current post
• Ctrl + Enter - Open post on new tab
• Back - Go back
• Ctrl + Right - Next Page
• Ctrl + Left - Previous Page
• Ctrl + Home - Home

Maybe someone will come in handy.