diff -r 0ed77eb5d1cd -r 9db3eaa21237 linkobj.cpp
--- a/linkobj.cpp	Sun Jan 30 23:28:08 2005 +0000
+++ b/linkobj.cpp	Tue Feb 08 14:07:19 2005 +0000
@@ -136,6 +136,16 @@
 	}
 }
 
+BranchObj* LinkObj::otherBranch(BranchObj* thisBranch)
+{
+	if (!beginBranch && !endBranch)
+		return NULL;
+	if (thisBranch==beginBranch)
+		return endBranch;
+	else	
+		return beginBranch;
+}
+
 void LinkObj::positionBBox()
 {
 }