void AddMultipleBooksToolStripMenuItem1Click(object sender, EventArgs e)
 {
 	BatchAddByISBNForm form = new BatchAddByISBNForm(20,Constants.LibraryMode.WISHLIST);
 	form.MdiParent = this;
 	form.Show();
 }
 void AddMultipleBooksToolStripMenuItemClick(object sender, EventArgs e)
 {
 	BatchAddByISBNForm frm = new BatchAddByISBNForm(20,_mode);
 	frm.MdiParent = this.ParentForm.MdiParent;
 	frm.Show();
 }