Problem with 2001 Solara passenger door window

[caoiii]

This just happened today!
The window on the passenger side of my 2001 Solara goes down fine but when you try to close the window, it goes up very slowly and then stops.
When you try to raise it again it either dosen't respond or it goes up a short distance and stops again.
If I keep playing with it eventually I get it up all the way.
But when you activate the down, it seems to go down fine.
If the window motor was bad...wouldn't it also have a problem going down?

Does anybody know what's invovled with removing the door panel so that I can see if there is a binding problem?

Has anyone experienced this problem before?

Thanks!