Open and Close sub-panel click on the name instead of click on arrow mark in detail view page

Hi All,
All the detail view page we have given auto hide the sub panels. But actually when user tries to click only “name” instead of “arrow mark”, It’s very difficult to use for them. So kindly let me know the any way to change “Open” and “Close” sub panel click on the name.

Kindly refer the screen shot.

Hi All,
Any feed back on this??
Kindly help me out.