Umbridge anagram a clue?

[n_longbottom01]

No: HPFGUIDX 125863


I came across this anagram of Umbridge's name at mugglenet:

Dolores Jane Umbridge = Dumbledore goes in jar.

The author of that page at mugglenet brought up Rita Skeeter and how 
she ended up in a jar at the end of GoF.  But the jar that came to 
mind when I read "Dumbledore goes in jar" is the bell jar in the Time 
room in the Department of Mysteries.  You know the one I'm talking 
about... the one with the bird/egg in it?

During the battle in the Department of Mysteries, when the Death 
Eater's head went into the jar, he became a baby-headed Death Eater.  
If a person entirely went into the jar, I suspect the result would be 
to change that person's age (either older or younger).  Will we see 
Dumbledore enter into the jar to become young?

n_longbottom01