function newarr(oldarr)
redim arr(0)
arr(0)=oldarr(0)
alen=0
for i=1 to ubound(oldarr)
dif=true
for j=0 to alen
if arr(j)=oldarr(i) then
dif=false
exit for
end if
next
if dif then
alen=alen+1
redim Preserve arr(alen)
arr(alen)=oldarr(i)
end if
next
newarr=arr
end function