View Single Post
  #5 (permalink)  
Old August 20th, 2004, 07:36 PM
davidwong davidwong is offline
Authorized User
 
Join Date: Aug 2004
Posts: 13
Thanks: 0
Thanked 0 Times in 0 Posts
Default

all right,
 I mean to see if they intersect each other(the intersection of only a point or a borderline are the exceptions)

Reply With Quote