void VScrollBar_ValueChanged(object sender, EventArgs e)
{
SetUpJournal();
int scrallBarWidth = hScrollBar.Visible ? hScrollBar.Height : 0;
Rectangle rect = new Rectangle(border, 2 * rowHeight, ClientSize.Width - 2 * border, ClientSize.Height - 2 * rowHeight - scrallBarWidth - border);
Invalidate(rect);
return;
}