How to send Ctrl+Alt+Delete sequence through HTML5 Remote Application Toolbar

Anyone know if/how you can send the Ctrl+Alt+Delete sequence through to the server session when using the HTML5 browser? I am publishing applications not remote desktop and if the application hangs on the server then the user has no way of ending the task because they can't get to task manager. The shortcuts toolbar item is not available on the Remote Application Toolbar so there needs to be a way the end user can end a hung application on the server side. This is possible using the Parallels Client via the Sessions --> "Send Ctrl+Alt+Del" menu however I am using the HTML5 browser client.

Any ideas, TIA.

Regards,
Michael

 

@MichaelL35 To be honest, I am amazed that they allow Ctrl+Alt+Del combo for published applications. Normally, access to the task manager is restricted.
However, since your users need to launch the task manager, could you publish it instead?