You can also try these related scripts:

• zendesk sidebar toggle - toggles the ticket left panel in zendesk
• Zendesk Window Title - Improves the browser window title when using zendesk agent by adding info like ticket id.
• Toggle sidebar in tickets - Adds a toggle button to expand and collapse the ticket sidebar in Zendesk ticket view
• Add stackedit.io wysiwyg markdown editor to zendesk - try to take over the world!
• Zendesk help center MCE extended - Enhanced the tiny MCE editor use in zendsesk