Doubly Linked List removeCurrent quest.

[Muffalufagus]

I have a doubly linked list I need to remove current from. I've been staring for hours; I cant seem to remove the element & reestablish the links; any help would be great.
I hope I did the 'tags' right?

    public void removeCurrent()
        {
            if (isCurrent() == false)
            throw new IllegalStateException
                ("removeCurrent: isCurrent() is null");
            
            else if ((isCurrent() == true) && (cursor.getNextNode() == null))
            {
            tail = cursor;
            cursor = null;
            }
            else
            {
            cursor.getPrevNode().setNextNode(getNextNode()); //error here? don't know if this is
            //correct either
            
            manyNodes--;   
            }   
            }
    public DoubleNode getPrevNode(){ //these two things are in my other file
        return prev;
    }
    public void setPrevNode(DoubleNode dn){
        prev = dn;
    }