Checking In Global Objects
When you check in a form or global object, the original version in the master database is replaced with the edited version from the run-time database. This action effectively makes the changed object the official current version.
Note:  You can check in an object only if you are the one who checked it
		  out. Likewise, other developers cannot perform operations on objects you have
		  checked out. 
		
 
		       To check in a global object: