Oven door glass replacement

Oven/Range/Cooktop Repair
1

When installing a new glass in the oven door is there a special treated side of the glass which should be facing in the oven.
This is the inside not the outside glass.

2

[QUOTE=rondelaney;12219]When installing a new glass in the oven door is there a special treated side of the glass which should be facing in the oven.
This is the inside not the outside glass.[/QUOTE]
When installing a new glass in the oven dooris there a special treated side of the glass which should be facing in the oven.
This is the inside not the out side glass

3

How can I tell which is the treated side of this inner window?