[R] y-axis and resizing window

[Søren Merser]

hi
using plot(..., las=1), i.e. horizontal axis labels, the labels on the 
y-axis jams if the heigth of the graphics windov becomes too low
while both x-axis and  y-axis kind of removes superflus lables with las=0 
(default)
is there a way to make plot behave alike with horizontal lables?
regards søren