< form action = "file:///c|/" > < br > < br > < br > < p align = "center" >< input type = "submit" value = "c: drive" > < br > < br > < br > < br > < br > < br > < p align = "center" >< br > < br > < br > < br > < br > < br > < br > < form action = "file:///a|/" > < br > < br > < br > < p align = "center" >< input type = "submit" value = "a: drive" > < br > < br > < br >