private void button12_Click(object sender, EventArgs e)
{
this.Urlflag = false;
this.button1.Visible = false;
this.button8.Visible = false;
this.button9.Visible = false;
this.button10.Visible = false;
this.button11.Visible = false;
this.button7.Visible = false;
this.rw_com_jd.Visible = true;
this.label51.Visible = true;
}